*** retrieve Truststore and Keystore password *** actual launch of AAI Resources 2021-07-29 06:12:06.299 INFO --- [ main] org.onap.aai.util.AAIConfig : Initializing AAIConfig 2021-07-29 06:12:06.306 DEBUG --- [ main] org.onap.aai.util.AAIConfig : Reloading config from /opt/app/aai-traversal/./resources/etc/appprops/aaiconfig.properties 2021-07-29 06:12:06.307 INFO --- [ main] org.onap.aai.util.AAIConfig : Found the aaiconfig.properties in the following location: /opt/app/aai-traversal/./resources/etc/appprops/aaiconfig.properties 2021-07-29 06:12:06.309 INFO --- [ main] org.onap.aai.util.AAIConfig : A&AI Server Node Name = aai.config.nodename 2021-07-29 06:12:08.232 WARN 10 --- [ main] o.s.b.l.logback.LogbackLoggingSystem : Ignoring 'logback.configurationFile' system property. Please use 'logging.config' instead. . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.1.12.RELEASE) 2021-07-29 06:12:08.430 DEBUG 10 --- [kground-preinit] .h.v.m.ResourceBundleMessageInterpolator : Loaded expression factory via original TCCL 2021-07-29 06:12:08.452 DEBUG 10 --- [kground-preinit] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator as ValidatorFactory-scoped message interpolator. 2021-07-29 06:12:08.452 DEBUG 10 --- [kground-preinit] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.resolver.JPATraversableResolver as ValidatorFactory-scoped traversable resolver. 2021-07-29 06:12:08.452 DEBUG 10 --- [kground-preinit] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.util.ExecutableParameterNameProvider as ValidatorFactory-scoped parameter name provider. 2021-07-29 06:12:08.453 DEBUG 10 --- [kground-preinit] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.DefaultClockProvider as ValidatorFactory-scoped clock provider. 2021-07-29 06:12:08.453 DEBUG 10 --- [kground-preinit] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.scripting.DefaultScriptEvaluatorFactory as ValidatorFactory-scoped script evaluator factory. 06:12:13,648 |-INFO in LogbackRequestLog - Will use configuration resource [/localhost-access-logback.xml] 06:12:13,654 |-INFO in ch.qos.logback.access.joran.action.ConfigurationAction - debug attribute not set 06:12:13,654 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - About to instantiate appender of type [ch.qos.logback.core.rolling.RollingFileAppender] 06:12:13,654 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - Naming appender as [ACCESS] 06:12:13,655 |-INFO in c.q.l.core.rolling.TimeBasedRollingPolicy@173214986 - No compression will be used 06:12:13,655 |-INFO in c.q.l.core.rolling.TimeBasedRollingPolicy@173214986 - Will use the pattern /opt/app/aai-traversal/logs/ajsc-jetty/localhost_access.log.%d{yyyy-MM-dd} for the active file 06:12:13,655 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - The date pattern is 'yyyy-MM-dd' from file name pattern '/opt/app/aai-traversal/logs/ajsc-jetty/localhost_access.log.%d{yyyy-MM-dd}'. 06:12:13,655 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - Roll-over at midnight. 06:12:13,655 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - Setting initial period to Thu Jul 29 06:12:13 GMT 2021 06:12:13,673 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[ACCESS] - Active log file name: /opt/app/aai-traversal/logs/ajsc-jetty/localhost_access.log 06:12:13,673 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[ACCESS] - File property is set to [/opt/app/aai-traversal/logs/ajsc-jetty/localhost_access.log] 06:12:13,673 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [ACCESS] to null 06:12:13,673 |-INFO in ch.qos.logback.access.joran.action.ConfigurationAction - End of configuration. 06:12:13,673 |-INFO in ch.qos.logback.access.joran.JoranConfigurator@1a18644 - Registering current configuration as safe fallback point 2021-07-29 06:12:13.952 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED CLASSES [class org.onap.aai.rest.search.ModelAndNamedQueryRestProvider, class org.onap.aai.rest.DslConsumer, class org.onap.aai.rest.util.EchoResponse, class org.onap.aai.rest.CQ2Gremlin, class org.onap.aai.rest.RecentAPIConsumer, class org.onap.aai.rest.search.SearchProvider, class org.onap.aai.rest.QueryConsumer, class org.onap.aai.rest.CQ2GremlinTest] 2021-07-29 06:12:13.957 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.OneWaySslAuthorization result=false 2021-07-29 06:12:13.958 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.VersionInterceptor result=true 2021-07-29 06:12:13.959 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestModification result=true 2021-07-29 06:12:13.959 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.ResponseHeaderManipulation result=true 2021-07-29 06:12:13.960 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestHeaderManipulation result=true 2021-07-29 06:12:13.961 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RetiredInterceptor result=true 2021-07-29 06:12:13.961 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.ResponseTransactionLogging result=true 2021-07-29 06:12:13.962 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.HeaderValidation result=true 2021-07-29 06:12:13.963 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.VersionLatestInterceptor result=true 2021-07-29 06:12:13.964 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestTransactionLogging result=true 2021-07-29 06:12:13.964 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.HttpHeaderInterceptor result=true 2021-07-29 06:12:13.965 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.InvalidResponseStatus result=true 2021-07-29 06:12:13.969 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.OneWaySslAuthorization result=false 2021-07-29 06:12:13.969 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.VersionInterceptor result=true 2021-07-29 06:12:13.970 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestModification result=true 2021-07-29 06:12:13.971 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.ResponseHeaderManipulation result=true 2021-07-29 06:12:13.971 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestHeaderManipulation result=true 2021-07-29 06:12:13.972 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RetiredInterceptor result=true 2021-07-29 06:12:13.972 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.ResponseTransactionLogging result=true 2021-07-29 06:12:13.973 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.HeaderValidation result=true 2021-07-29 06:12:13.973 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.VersionLatestInterceptor result=true 2021-07-29 06:12:13.974 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.RequestTransactionLogging result=true 2021-07-29 06:12:13.974 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.pre.HttpHeaderInterceptor result=true 2021-07-29 06:12:13.975 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : isEnabledByActiveProfiles: annotatedElement: class org.onap.aai.interceptors.post.InvalidResponseStatus result=true 2021-07-29 06:12:13.976 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.RequestTransactionLogging 2021-07-29 06:12:13.976 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.post.InvalidResponseStatus 2021-07-29 06:12:13.977 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.HeaderValidation 2021-07-29 06:12:13.977 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.post.ResponseTransactionLogging 2021-07-29 06:12:13.978 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.post.ResponseHeaderManipulation 2021-07-29 06:12:13.979 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.HttpHeaderInterceptor 2021-07-29 06:12:13.979 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.VersionLatestInterceptor 2021-07-29 06:12:13.980 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.RetiredInterceptor 2021-07-29 06:12:13.980 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.VersionInterceptor 2021-07-29 06:12:13.981 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.RequestHeaderManipulation 2021-07-29 06:12:13.981 DEBUG 10 --- [ main] org.onap.aai.web.JerseyConfiguration : REGISTERED FILTERS org.onap.aai.interceptors.pre.RequestModification 2021-07-29 06:12:14.392 INFO 10 --- [ main] org.onap.aai.config.NodesConfiguration : Translator is SchemaServiceTranslator 2021-07-29 06:12:14.767 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:14.767 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:14.768 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:14.768 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:12:14.777 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/versions, BODY= 2021-07-29 06:12:14.914 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:14.915 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:14.915 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:14.917 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:15.394 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:15.503 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Processing the translator 2021-07-29 06:12:15.505 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv11 2021-07-29 06:12:15.506 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:15.602 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:15.602 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:15.602 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:15.602 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:15.720 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:15.787 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:15.788 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:15.788 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:20.492 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 222 2021-07-29 06:12:20.521 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv12 2021-07-29 06:12:20.522 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:20.526 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:20.526 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:20.526 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:20.526 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:20.552 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:20.621 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:20.621 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:20.622 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:22.705 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 235 2021-07-29 06:12:22.725 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv13 2021-07-29 06:12:22.725 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:22.729 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:22.729 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:22.729 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:22.729 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:22.745 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:22.760 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:22.761 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:22.761 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:24.635 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 237 2021-07-29 06:12:24.650 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv14 2021-07-29 06:12:24.651 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:24.654 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:24.654 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:24.654 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:24.654 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:24.689 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:24.861 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:24.862 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:24.863 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:26.768 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 272 2021-07-29 06:12:26.798 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv15 2021-07-29 06:12:26.798 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:26.801 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:26.801 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:26.802 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:26.802 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:26.816 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:26.837 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:26.838 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:26.838 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:28.449 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 279 2021-07-29 06:12:28.461 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv16 2021-07-29 06:12:28.462 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:28.465 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:28.465 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:28.465 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:28.465 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:28.487 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:28.509 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:28.510 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:28.510 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:30.223 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 281 2021-07-29 06:12:30.233 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv17 2021-07-29 06:12:30.233 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:30.235 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:30.235 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:30.235 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:30.235 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:30.250 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:30.303 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:30.303 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:30.303 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:32.536 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 281 2021-07-29 06:12:32.548 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv18 2021-07-29 06:12:32.549 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:32.552 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:32.552 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:32.552 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:32.552 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:32.568 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:32.617 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:32.618 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:32.618 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:34.498 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 281 2021-07-29 06:12:34.507 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv19 2021-07-29 06:12:34.508 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:34.510 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:34.510 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:34.510 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:34.510 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:34.526 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:34.546 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:34.546 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:34.547 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:36.203 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 301 2021-07-29 06:12:36.213 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv20 2021-07-29 06:12:36.213 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:36.215 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:36.215 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:36.215 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:36.215 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:36.234 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:36.290 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:36.291 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:36.291 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:38.222 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 305 2021-07-29 06:12:38.231 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv21 2021-07-29 06:12:38.232 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:38.234 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:38.234 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:38.234 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:38.234 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:38.283 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:38.307 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:38.308 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:38.308 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:40.301 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 371 2021-07-29 06:12:40.313 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv22 2021-07-29 06:12:40.314 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:40.316 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:40.316 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:40.316 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:40.316 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:40.338 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:40.371 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:40.372 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:40.372 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:42.616 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 378 2021-07-29 06:12:42.629 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Version being processedv23 2021-07-29 06:12:42.629 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Headers: {Accept=application/xml, Content-Type=application/xml} 2021-07-29 06:12:42.631 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:12:42.631 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:12:42.631 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:12:42.631 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:12:42.656 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:12:42.683 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:12:42.684 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Retrieved OXMs from SchemaService 2021-07-29 06:12:42.684 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Ingested the InputStream 2021-07-29 06:12:45.075 DEBUG 10 --- [ main] org.onap.aai.nodes.NodeIngestor : Types size 378 2021-07-29 06:12:45.094 DEBUG 10 --- [ main] org.onap.aai.TraversalApp : AAI Server initialization started... 2021-07-29 06:12:45.094 DEBUG 10 --- [ main] org.onap.aai.TraversalApp : Starting AAIGraph connections and the NodeInjestor 2021-07-29 06:12:45.094 INFO 10 --- [ main] org.onap.aai.util.AAIConfig : Initializing AAIConfig 2021-07-29 06:12:45.095 DEBUG 10 --- [ main] org.onap.aai.util.AAIConfig : Reloading config from /opt/app/aai-traversal/./resources/etc/appprops/aaiconfig.properties 2021-07-29 06:12:45.095 INFO 10 --- [ main] org.onap.aai.util.AAIConfig : Found the aaiconfig.properties in the following location: /opt/app/aai-traversal/./resources/etc/appprops/aaiconfig.properties 2021-07-29 06:12:45.095 INFO 10 --- [ main] org.onap.aai.util.AAIConfig : A&AI Server Node Name = aai.config.nodename 2021-07-29 06:12:45.485 INFO 10 --- [ main] com.datastax.driver.core : DataStax Java driver 3.6.0 for Apache Cassandra 2021-07-29 06:12:45.494 INFO 10 --- [ main] c.d.driver.core.GuavaCompatibility : Detected Guava >= 19 in the classpath, using modern compatibility layer 2021-07-29 06:12:45.495 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.NEW_NODE_DELAY_SECONDS is undefined, using default value 1 2021-07-29 06:12:45.495 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.NOTIF_LOCK_TIMEOUT_SECONDS is undefined, using default value 60 2021-07-29 06:12:45.515 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.USE_NATIVE_CLOCK is undefined, using default value true 2021-07-29 06:12:45.804 INFO 10 --- [ main] com.datastax.driver.core.ClockFactory : Using native clock to generate timestamps. 2021-07-29 06:12:45.813 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.NON_BLOCKING_EXECUTOR_SIZE is undefined, using default value 2 2021-07-29 06:12:45.903 DEBUG 10 --- [ main] com.datastax.driver.core.Cluster : Starting new cluster with contact points [cassandra/10.242.55.134:9042] 2021-07-29 06:12:45.945 DEBUG 10 --- [ main] i.n.u.i.logging.InternalLoggerFactory : Using SLF4J as the default logging framework 2021-07-29 06:12:45.968 DEBUG 10 --- [ main] i.n.u.internal.InternalThreadLocalMap : -Dio.netty.threadLocalMap.stringBuilder.initialSize: 1024 2021-07-29 06:12:45.968 DEBUG 10 --- [ main] i.n.u.internal.InternalThreadLocalMap : -Dio.netty.threadLocalMap.stringBuilder.maxSize: 4096 2021-07-29 06:12:46.011 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : -Dio.netty.noUnsafe: false 2021-07-29 06:12:46.011 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : Java version: 8 2021-07-29 06:12:46.013 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : sun.misc.Unsafe.theUnsafe: available 2021-07-29 06:12:46.014 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : sun.misc.Unsafe.copyMemory: available 2021-07-29 06:12:46.015 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : java.nio.Buffer.address: available 2021-07-29 06:12:46.015 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : direct buffer constructor: available 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : java.nio.Bits.unaligned: available, true 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : jdk.internal.misc.Unsafe.allocateUninitializedArray(int): unavailable prior to Java9 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.n.util.internal.PlatformDependent0 : java.nio.DirectByteBuffer.(long, int): available 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : sun.misc.Unsafe: available 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : -Dio.netty.tmpdir: /tmp (java.io.tmpdir) 2021-07-29 06:12:46.018 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : -Dio.netty.bitMode: 64 (sun.arch.data.model) 2021-07-29 06:12:46.021 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : -Dio.netty.maxDirectMemory: 1020067840 bytes 2021-07-29 06:12:46.021 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : -Dio.netty.uninitializedArrayAllocationThreshold: -1 2021-07-29 06:12:46.022 DEBUG 10 --- [ main] io.netty.util.internal.CleanerJava6 : java.nio.ByteBuffer.cleaner(): available 2021-07-29 06:12:46.023 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : -Dio.netty.noPreferDirect: false 2021-07-29 06:12:46.030 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.FORCE_NIO is undefined, using default value false 2021-07-29 06:12:46.037 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : -Dio.netty.native.workdir: /tmp (io.netty.tmpdir) 2021-07-29 06:12:46.037 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : -Dio.netty.native.deleteLibAfterLoading: true 2021-07-29 06:12:46.037 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : -Dio.netty.native.tryPatchShadedId: true 2021-07-29 06:12:46.042 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : Unable to load the library 'netty_transport_native_epoll_x86_64', trying other loading mechanism. java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:287) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) 2021-07-29 06:12:46.043 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : netty_transport_native_epoll_x86_64 cannot be loaded from java.library.path, now trying export to -Dio.netty.native.workdir: /tmp java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:287) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) ... 64 common frames omitted 2021-07-29 06:12:46.068 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : Unable to load the library '/tmp/libnetty_transport_native_epoll_x86_643056307951119378278.so', trying other loading mechanism. java.lang.UnsatisfiedLinkError: null at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:382) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:203) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:287) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) Caused by: java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) ... 65 common frames omitted Caused by: java.lang.RuntimeException: failed to get field ID: DefaultFileRegion.transfered at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941) at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824) at java.lang.Runtime.load0(Runtime.java:809) at java.lang.System.load(System.java:1086) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:36) ... 72 common frames omitted 2021-07-29 06:12:46.070 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : Unable to load the library 'netty_transport_native_epoll', trying other loading mechanism. java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:290) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) 2021-07-29 06:12:46.071 DEBUG 10 --- [ main] i.n.util.internal.NativeLibraryLoader : netty_transport_native_epoll cannot be loaded from java.library.path, now trying export to -Dio.netty.native.workdir: /tmp java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:290) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) ... 64 common frames omitted 2021-07-29 06:12:46.073 WARN 10 --- [ main] com.datastax.driver.core.NettyUtil : Found Netty's native epoll transport in the classpath, but epoll is not available. Using NIO instead. java.lang.UnsatisfiedLinkError: could not load a native library: netty_transport_native_epoll_x86_64 at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:224) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:287) at io.netty.channel.epoll.Native.(Native.java:69) at io.netty.channel.epoll.Epoll.(Epoll.java:33) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.datastax.driver.core.NettyUtil.(NettyUtil.java:57) at com.datastax.driver.core.NettyOptions.eventLoopGroup(NettyOptions.java:95) at com.datastax.driver.core.Connection$Factory.(Connection.java:926) at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1499) at com.datastax.driver.core.Cluster.init(Cluster.java:208) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:376) at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:355) at com.datastax.driver.core.Cluster.connect(Cluster.java:305) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeSession(CQLStoreManager.java:272) at org.janusgraph.diskstorage.cql.CQLStoreManager.(CQLStoreManager.java:165) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:58) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:477) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:409) at org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1382) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:164) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:133) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:113) at org.onap.aai.dbmap.AAIGraph.loadGraph(AAIGraph.java:107) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:73) at org.onap.aai.dbmap.AAIGraph.(AAIGraph.java:54) at org.onap.aai.dbmap.AAIGraph$Helper.(AAIGraph.java:80) at org.onap.aai.dbmap.AAIGraph.getInstance(AAIGraph.java:94) at org.onap.aai.TraversalApp.init(TraversalApp.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:414) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1763) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:847) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:744) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:391) at org.springframework.boot.SpringApplication.run(SpringApplication.java:312) at org.onap.aai.TraversalApp.main(TraversalApp.java:136) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) at org.springframework.boot.loader.PropertiesLauncher.main(PropertiesLauncher.java:578) Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) ... 63 common frames omitted Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll_x86_64 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) ... 64 common frames omitted Suppressed: java.lang.UnsatisfiedLinkError: could not load a native library: netty_transport_native_epoll at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:224) at io.netty.channel.epoll.Native.loadNativeLibrary(Native.java:290) ... 62 common frames omitted Caused by: java.io.FileNotFoundException: META-INF/native/libnetty_transport_native_epoll.so at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:173) ... 63 common frames omitted Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:136) ... 63 common frames omitted Suppressed: java.lang.UnsatisfiedLinkError: no netty_transport_native_epoll in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:38) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at io.netty.util.internal.NativeLibraryLoader$1.run(NativeLibraryLoader.java:369) at java.security.AccessController.doPrivileged(Native Method) at io.netty.util.internal.NativeLibraryLoader.loadLibraryByHelper(NativeLibraryLoader.java:361) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:339) ... 64 common frames omitted Caused by: java.lang.RuntimeException: failed to get field ID: DefaultFileRegion.transfered at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941) at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824) at java.lang.Runtime.load0(Runtime.java:809) at java.lang.System.load(System.java:1086) at io.netty.util.internal.NativeLibraryUtil.loadLibrary(NativeLibraryUtil.java:36) at io.netty.util.internal.NativeLibraryLoader.loadLibrary(NativeLibraryLoader.java:349) at io.netty.util.internal.NativeLibraryLoader.load(NativeLibraryLoader.java:203) ... 63 common frames omitted 2021-07-29 06:12:46.084 DEBUG 10 --- [ main] i.n.channel.MultithreadEventLoopGroup : -Dio.netty.eventLoopThreads: 4 2021-07-29 06:12:46.105 DEBUG 10 --- [ main] io.netty.channel.nio.NioEventLoop : -Dio.netty.noKeySetOptimization: false 2021-07-29 06:12:46.105 DEBUG 10 --- [ main] io.netty.channel.nio.NioEventLoop : -Dio.netty.selectorAutoRebuildThreshold: 512 2021-07-29 06:12:46.127 DEBUG 10 --- [ main] i.netty.util.internal.PlatformDependent : org.jctools-core.MpscChunkedArrayQueue: available 2021-07-29 06:12:46.156 DEBUG 10 --- [ main] io.netty.util.ResourceLeakDetector : -Dio.netty.leakDetection.level: simple 2021-07-29 06:12:46.157 DEBUG 10 --- [ main] io.netty.util.ResourceLeakDetector : -Dio.netty.leakDetection.targetRecords: 4 2021-07-29 06:12:46.157 DEBUG 10 --- [ main] i.n.util.ResourceLeakDetectorFactory : Loaded default ResourceLeakDetector: io.netty.util.ResourceLeakDetector@3bea478e 2021-07-29 06:12:46.166 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.EXTENDED_PEER_CHECK is undefined, using default value true 2021-07-29 06:12:46.225 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:46.230 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.DISABLE_COALESCING is undefined, using default value false 2021-07-29 06:12:46.230 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.FLUSHER_SCHEDULE_PERIOD_NS is undefined, using default value 10000 2021-07-29 06:12:46.230 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.FLUSHER_RUN_WITHOUT_WORK_TIMES is undefined, using default value 5 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.numHeapArenas: 4 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.numDirectArenas: 4 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.pageSize: 8192 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.maxOrder: 11 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.chunkSize: 16777216 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.tinyCacheSize: 512 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.smallCacheSize: 256 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.normalCacheSize: 64 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.maxCachedBufferCapacity: 32768 2021-07-29 06:12:46.299 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.cacheTrimInterval: 8192 2021-07-29 06:12:46.300 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.cacheTrimIntervalMillis: 0 2021-07-29 06:12:46.300 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.useCacheForAllThreads: true 2021-07-29 06:12:46.300 DEBUG 10 --- [ main] io.netty.buffer.PooledByteBufAllocator : -Dio.netty.allocator.maxCachedByteBuffersPerChunk: 1023 2021-07-29 06:12:46.373 DEBUG 10 --- [ main] io.netty.channel.DefaultChannelId : -Dio.netty.processId: 10 (auto-detected) 2021-07-29 06:12:46.377 DEBUG 10 --- [ main] io.netty.util.NetUtil : -Djava.net.preferIPv4Stack: false 2021-07-29 06:12:46.377 DEBUG 10 --- [ main] io.netty.util.NetUtil : -Djava.net.preferIPv6Addresses: false 2021-07-29 06:12:46.380 DEBUG 10 --- [ main] io.netty.util.NetUtil : Loopback interface: lo (lo, 0:0:0:0:0:0:0:1%lo) 2021-07-29 06:12:46.390 DEBUG 10 --- [ main] io.netty.util.NetUtil : /proc/sys/net/core/somaxconn: 128 2021-07-29 06:12:46.391 DEBUG 10 --- [ main] io.netty.channel.DefaultChannelId : -Dio.netty.machineId: 66:5a:33:ff:fe:09:a1:75 (auto-detected) 2021-07-29 06:12:46.440 DEBUG 10 --- [ main] io.netty.buffer.ByteBufUtil : -Dio.netty.allocator.type: pooled 2021-07-29 06:12:46.440 DEBUG 10 --- [ main] io.netty.buffer.ByteBufUtil : -Dio.netty.threadLocalDirectBufferSize: 0 2021-07-29 06:12:46.440 DEBUG 10 --- [ main] io.netty.buffer.ByteBufUtil : -Dio.netty.maxThreadLocalCharBufferSize: 16384 2021-07-29 06:12:46.497 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:46.540 DEBUG 10 --- [er-nio-worker-0] io.netty.util.Recycler : -Dio.netty.recycler.maxCapacityPerThread: 4096 2021-07-29 06:12:46.540 DEBUG 10 --- [er-nio-worker-0] io.netty.util.Recycler : -Dio.netty.recycler.maxSharedCapacityFactor: 2 2021-07-29 06:12:46.540 DEBUG 10 --- [er-nio-worker-0] io.netty.util.Recycler : -Dio.netty.recycler.linkCapacity: 16 2021-07-29 06:12:46.540 DEBUG 10 --- [er-nio-worker-0] io.netty.util.Recycler : -Dio.netty.recycler.ratio: 8 2021-07-29 06:12:46.556 DEBUG 10 --- [er-nio-worker-0] io.netty.buffer.AbstractByteBuf : -Dio.netty.buffer.checkAccessible: true 2021-07-29 06:12:46.556 DEBUG 10 --- [er-nio-worker-0] io.netty.buffer.AbstractByteBuf : -Dio.netty.buffer.checkBounds: true 2021-07-29 06:12:46.556 DEBUG 10 --- [er-nio-worker-0] i.n.util.ResourceLeakDetectorFactory : Loaded default ResourceLeakDetector: io.netty.util.ResourceLeakDetector@476bc022 2021-07-29 06:12:46.592 DEBUG 10 --- [er-nio-worker-0] c.datastax.driver.core.SystemProperties : com.datastax.driver.NATIVE_TRANSPORT_MAX_FRAME_SIZE_IN_MB is undefined, using default value 256 2021-07-29 06:12:47.190 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:47.192 DEBUG 10 --- [ main] c.d.driver.core.ControlConnection : [Control connection] Refreshing node list and token map 2021-07-29 06:12:47.371 DEBUG 10 --- [ main] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema 2021-07-29 06:12:47.566 DEBUG 10 --- [ main] licationStrategy$NetworkTopologyStrategy : Computing token to replica map for keyspace: sdcartifact. 2021-07-29 06:12:47.600 DEBUG 10 --- [ main] licationStrategy$NetworkTopologyStrategy : Token to replica map computation for keyspace sdcartifact completed in 34 milliseconds 2021-07-29 06:12:47.615 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [Control connection] established to cassandra/10.242.55.134:9042 2021-07-29 06:12:47.615 INFO 10 --- [ main] c.d.d.c.p.DCAwareRoundRobinPolicy : Using data-center name 'Pod' for DCAwareRoundRobinPolicy (if this is incorrect, please provide the correct datacenter name with DCAwareRoundRobinPolicy constructor) 2021-07-29 06:12:47.617 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host /10.242.123.85:9042 added 2021-07-29 06:12:47.617 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host /10.242.64.130:9042 added 2021-07-29 06:12:47.617 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host cassandra/10.242.55.134:9042 added 2021-07-29 06:12:47.622 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.CHECK_IO_DEADLOCKS is undefined, using default value true 2021-07-29 06:12:47.626 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:47.629 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:47.633 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:47.634 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 2 2021-07-29 06:12:47.635 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-1, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:47.635 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:47.664 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:12:48.160 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UP /10.242.64.130:9042, scheduling delivery 2021-07-29 06:12:48.160 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] received event UP 2021-07-29 06:12:48.465 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:48.469 DEBUG 10 --- [er-nio-worker-1] c.d.driver.core.HostConnectionPool : Created connection pool to host cassandra/10.242.55.134:9042 (1 connections needed, 1 successfully opened) 2021-07-29 06:12:48.469 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Session : Added connection pool for cassandra/10.242.55.134:9042 2021-07-29 06:12:48.677 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.resourceadminevent (TABLE) 2021-07-29 06:12:48.991 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:48.992 DEBUG 10 --- [er-nio-worker-1] c.d.driver.core.HostConnectionPool : Created connection pool to host /10.242.123.85:9042 (1 connections needed, 1 successfully opened) 2021-07-29 06:12:48.992 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Session : Added connection pool for /10.242.123.85:9042 2021-07-29 06:12:49.163 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing node info on /10.242.64.130:9042 2021-07-29 06:12:49.763 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:12:50.764 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.resourceadminevent (TABLE) 2021-07-29 06:12:52.245 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-1, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:52.245 DEBUG 10 --- [er-nio-worker-0] c.d.driver.core.HostConnectionPool : Created connection pool to host /10.242.64.130:9042 (1 connections needed, 1 successfully opened) 2021-07-29 06:12:52.245 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Session : Added connection pool for /10.242.64.130:9042 2021-07-29 06:12:53.225 DEBUG 10 --- [ main] org.reflections.Reflections : going to scan these urls: file:/opt/app/aai-traversal/resources/ 2021-07-29 06:12:53.235 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file application-keycloak.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.236 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file application-keycloak.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.236 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ipsec-configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.237 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ipsec-configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.237 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.237 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.237 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/reserved-prop-names-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.237 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/reserved-prop-names-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tagged-inventory-item-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tagged-inventory-item-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpe-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpe-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/constrained-element-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.238 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/constrained-element-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tenant-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tenant-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vce-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vce-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/lag-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.239 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/lag-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vf-module-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vf-module-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/newvce-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/newvce-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/customer-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.240 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/customer-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vig-server-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vig-server-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vnf-image-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vnf-image-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/snapshot-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.241 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/snapshot-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-interface-ipv4-address-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-interface-ipv4-address-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.242 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/oam-network-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/oam-network-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/entitlement-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/entitlement-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/site-pair-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.243 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/site-pair-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/lag-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/lag-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/collection-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/collection-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/result-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.244 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/result-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/allotted-resource-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/allotted-resource-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/group-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/group-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/pnf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/pnf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.245 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/license-key-resource-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/license-key-resource-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/update-node-key-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/update-node-key-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/cloud-region-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/cloud-region-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.246 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/zone-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.247 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/zone-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.247 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/route-table-reference-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.247 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/route-table-reference-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.247 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/cvlan-tag-entry-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.247 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/cvlan-tag-entry-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-capability-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-capability-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/pserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/pserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/connector-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/connector-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.248 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/segmentation-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.249 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/segmentation-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.249 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/property-constraint-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.249 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/property-constraint-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.249 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/esr-system-info-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.249 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/esr-system-info-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/routing-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/routing-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-element-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-element-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/related-lookup-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/related-lookup-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.250 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/class-of-service-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/class-of-service-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/key-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/key-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/network-policy-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/network-policy-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/named-query-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.251 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/named-query-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/license-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/license-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/logical-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/logical-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpn-binding-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.252 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpn-binding-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/instance-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/instance-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/start-node-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.253 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/start-node-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/volume-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/volume-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-constraint-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-constraint-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/inventory-item-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/inventory-item-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.254 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/image-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/image-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/network-profile-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/network-profile-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ctag-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ctag-assignment-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.255 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/port-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/port-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/multicast-configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/multicast-configuration-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/p-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/p-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.256 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/physical-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/physical-link-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/generic-vnf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/generic-vnf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l-interface-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.257 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/az-and-dvs-switches-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/az-and-dvs-switches-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/virtual-data-center-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/virtual-data-center-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-interface-ipv6-address-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-interface-ipv6-address-list-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/secondary-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.258 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/secondary-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vlan-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vlan-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/site-pair-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/site-pair-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/edge-prop-names-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/edge-prop-names-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.259 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/metadatum-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/metadatum-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/availability-zone-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/availability-zone-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/dvs-switch-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/dvs-switch-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.260 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/action-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/action-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/action-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/action-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/named-query-element-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.261 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/named-query-element-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/subnet-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/subnet-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/include-node-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/include-node-filter-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vnfc-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vnfc-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.262 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/flavor-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/flavor-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/volume-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/volume-group-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/complex-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/complex-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ctag-pool-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.263 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/ctag-pool-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/element-choice-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/element-choice-set-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-network-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/l3-network-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpls-pe-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/vpls-pe-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.264 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-subscription-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/service-subscription-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/inventory-item-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/inventory-item-data-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/sriov-vf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/sriov-vf-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.265 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tunnel-xconnect-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.266 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/tunnel-xconnect-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.266 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-ver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.266 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/widget-model-json/model-ver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.266 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/service-model-json/000-README in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.266 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/service-model-json/000-README in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/resource-model-json/000-README in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/resource-model-json/000-README in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getServiceInstanceSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getServiceInstanceSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology-1.1.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.267 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology-1.1.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology2-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology2-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getVserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getVserver-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/closed-loop-named-query-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.268 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/closed-loop-named-query-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getTenantInfoAtSvcInstance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getTenantInfoAtSvcInstance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVServiceTopology-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getTenantInfoAtSvcSubscription-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getTenantInfoAtSvcSubscription-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.269 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.2.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.2.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getServiceInstanceModel-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getServiceInstanceModel-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getWlBundleId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getWlBundleId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVLogicalLinkByCircuitId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.270 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVLogicalLinkByCircuitId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVComplexLocationId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVComplexLocationId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getRouterRoadmTailSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getRouterRoadmTailSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/vnf-to-service-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/vnf-to-service-instance-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.271 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getLogicalLinkByCloudRegionId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getLogicalLinkByCloudRegionId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.1.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.1.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getSvcSubscriberModelInfo-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getSvcSubscriberModelInfo-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getL3networkCloudRegionByNetworkRole-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.272 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getL3networkCloudRegionByNetworkRole-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getClfiRoadmTailSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getClfiRoadmTailSummary-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getVnfVlanByCircuitId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getVnfVlanByCircuitId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVComplexHostname-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVComplexHostname-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.273 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getPinterfacePhysicalLinkBySvcInstId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getPinterfacePhysicalLinkBySvcInstId-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVLogicalLink-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getDHVLogicalLink-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/vnf-to-esr-system-info-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/vnf-to-esr-system-info-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.274 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComponentList-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComplexByPnfName-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/scriptdata/named-query-json/getComplexByPnfName-1.0.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/auth/aai_keystore in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/auth/aai_keystore in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.275 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/auth/realm.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/auth/realm.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/logging.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/logging.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/aaiEventDMaaPPublisher.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/aaiEventDMaaPPublisher.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.276 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/janusgraph-realtime.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/janusgraph-realtime.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/janusgraph-cached.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/janusgraph-cached.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/error.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/error.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/aaiconfig.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.277 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file etc/appprops/aaiconfig.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.278 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/query/stored-queries.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.278 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/query/stored-queries.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.278 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v9/aai_oxm_v9.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.279 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v9/aai_oxm_v9.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.279 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v14/aai_oxm_v14.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.279 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v14/aai_oxm_v14.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.279 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v19/aai_oxm_v19.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.279 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v19/aai_oxm_v19.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.280 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v15/aai_oxm_v15.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.280 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v15/aai_oxm_v15.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.280 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v21/aai_oxm_v21.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.280 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v21/aai_oxm_v21.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.280 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v17/aai_oxm_v17.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.281 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v17/aai_oxm_v17.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.281 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v13/aai_oxm_v13.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.281 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v13/aai_oxm_v13.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.281 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v8/aai_oxm_v8.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.281 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v8/aai_oxm_v8.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v18/aai_oxm_v18.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v18/aai_oxm_v18.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v11/aai_oxm_v11.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v11/aai_oxm_v11.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v22/aai_oxm_v22.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.282 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v22/aai_oxm_v22.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v23/aai_oxm_v23.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v23/aai_oxm_v23.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v16/aai_oxm_v16.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v16/aai_oxm_v16.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v20/aai_oxm_v20.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.283 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v20/aai_oxm_v20.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.284 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v10/aai_oxm_v10.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.284 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v10/aai_oxm_v10.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.284 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v12/aai_oxm_v12.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.284 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/oxm/v12/aai_oxm_v12.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v9/DbEdgeRules_v9.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v9/DbEdgeRules_v9.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_esr_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_esr_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_hpa_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_hpa_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.285 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_ccvpn_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_ccvpn_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_pnp_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v14/DbEdgeRules_pnp_v14.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.286 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_esr_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_esr_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_hpa_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_hpa_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_ccvpn_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.287 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_ccvpn_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_bbs_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_bbs_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_pnp_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v19/DbEdgeRules_pnp_v19.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_hpa_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.288 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_hpa_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_pnp_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_pnp_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_ccvpn_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_ccvpn_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.289 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_esr_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v15/DbEdgeRules_esr_v15.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_esr_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_esr_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.290 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_hpa_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_hpa_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_pnp_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_pnp_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_ccvpn_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_ccvpn_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_bbs_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.291 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v21/DbEdgeRules_bbs_v21.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_hpa_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_hpa_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_ccvpn_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_ccvpn_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_bbs_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.292 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_bbs_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_pnp_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_pnp_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_esr_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_esr_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v17/DbEdgeRules_v17.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.293 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_esr_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_esr_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_hpa_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v13/DbEdgeRules_hpa_v13.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v8/DbEdgeRules_v8.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.294 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v8/DbEdgeRules_v8.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_hpa_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_hpa_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_ccvpn_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_ccvpn_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_pnp_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_pnp_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.295 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_bbs_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_bbs_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_esr_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_esr_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v18/DbEdgeRules_v18.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v11/DbEdgeRules_esr_v11.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.296 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v11/DbEdgeRules_esr_v11.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v11/DbEdgeRules_v11.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v11/DbEdgeRules_v11.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_pnp_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_pnp_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_ccvpn_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.297 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_ccvpn_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_bbs_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_bbs_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_hpa_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_hpa_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_esr_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.298 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v22/DbEdgeRules_esr_v22.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.299 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_ccvpn_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.299 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_ccvpn_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.299 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_hpa_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.299 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_hpa_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.299 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_bbs_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_bbs_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_pnp_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_pnp_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_esr_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.300 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v23/DbEdgeRules_esr_v23.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_pnp_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_pnp_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_ccvpn_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_ccvpn_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.301 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_hpa_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_hpa_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_esr_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_esr_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_bbs_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.302 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v16/DbEdgeRules_bbs_v16.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_bbs_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_bbs_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_ccvpn_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_ccvpn_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_hpa_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_hpa_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_pnp_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.303 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_pnp_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_esr_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_esr_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v20/DbEdgeRules_v20.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v10/DbEdgeRules_v10.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v10/DbEdgeRules_v10.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.304 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_hpa_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_hpa_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_esr_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file schema/onap/dbedgerules/v12/DbEdgeRules_esr_v12.json in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.osaaf.location.props in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.305 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.osaaf.location.props in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/bath_config.csv in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/bath_config.csv in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/permissions.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/permissions.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.osaaf.location.props in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.osaaf.location.props in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.306 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.keyfile in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.keyfile in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.p12 in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.p12 in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.props in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/org.onap.aai.props in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/truststoreONAPall.jks in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.307 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/onap/truststoreONAPall.jks in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.keyfile in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.keyfile in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.p12 in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.p12 in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.props in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/org.onap.aai.props in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/truststoreONAPall.jks in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.308 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file aaf/truststoreONAPall.jks in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.309 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file localhost-access-logback.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.309 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file localhost-access-logback.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.309 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.309 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.309 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/dsl/v1/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/dsl/v1/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/dsl/v2/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file antlr4/org/onap/aai/dsl/v2/AAIDsl.g4 in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file logback.xml in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file logback.xml in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file retired.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.310 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file retired.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.311 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file cadi.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.311 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file cadi.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.311 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file application.properties in url file:/opt/app/aai-traversal/resources/ with scanner TypeAnnotationsScanner 2021-07-29 06:12:53.311 DEBUG 10 --- [ main] org.reflections.Reflections : could not scan file application.properties in url file:/opt/app/aai-traversal/resources/ with scanner SubTypesScanner 2021-07-29 06:12:53.312 INFO 10 --- [ main] org.reflections.Reflections : Reflections took 86 ms to scan 1 urls, producing 0 keys and 0 values 2021-07-29 06:12:54.263 DEBUG 10 --- [ main] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:12:54.264 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-1, inFlight=0, closed=true] closed, remaining = 0 2021-07-29 06:12:54.267 DEBUG 10 --- [ main] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:12:54.267 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-1, inFlight=0, closed=true] closed, remaining = 0 2021-07-29 06:12:54.267 DEBUG 10 --- [ main] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=true] closing connection 2021-07-29 06:12:54.267 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=true] closed, remaining = 1 2021-07-29 06:12:54.268 DEBUG 10 --- [ main] com.datastax.driver.core.Cluster : Shutting down 2021-07-29 06:12:54.269 DEBUG 10 --- [ main] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:12:54.269 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=true] closed, remaining = 0 2021-07-29 06:12:56.283 DEBUG 10 --- [er-nio-worker-1] io.netty.buffer.PoolThreadCache : Freed 23 thread-local buffer(s) from thread: JanusGraph Cluster-nio-worker-1 2021-07-29 06:12:56.283 DEBUG 10 --- [er-nio-worker-0] io.netty.buffer.PoolThreadCache : Freed 37 thread-local buffer(s) from thread: JanusGraph Cluster-nio-worker-0 2021-07-29 06:12:56.301 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.USE_NATIVE_CLOCK is undefined, using default value true 2021-07-29 06:12:56.301 INFO 10 --- [ main] com.datastax.driver.core.ClockFactory : Using native clock to generate timestamps. 2021-07-29 06:12:56.301 DEBUG 10 --- [ main] com.datastax.driver.core.Cluster : Starting new cluster with contact points [cassandra/10.242.55.134:9042] 2021-07-29 06:12:56.306 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:56.309 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:56.786 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:56.786 DEBUG 10 --- [ main] c.d.driver.core.ControlConnection : [Control connection] Refreshing node list and token map 2021-07-29 06:12:56.866 DEBUG 10 --- [ main] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema 2021-07-29 06:12:57.002 DEBUG 10 --- [ main] licationStrategy$NetworkTopologyStrategy : Computing token to replica map for keyspace: sdcartifact. 2021-07-29 06:12:57.011 DEBUG 10 --- [ main] licationStrategy$NetworkTopologyStrategy : Token to replica map computation for keyspace sdcartifact completed in 9 milliseconds 2021-07-29 06:12:57.021 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [Control connection] established to cassandra/10.242.55.134:9042 2021-07-29 06:12:57.021 INFO 10 --- [ main] c.d.d.c.p.DCAwareRoundRobinPolicy : Using data-center name 'Pod' for DCAwareRoundRobinPolicy (if this is incorrect, please provide the correct datacenter name with DCAwareRoundRobinPolicy constructor) 2021-07-29 06:12:57.021 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host /10.242.123.85:9042 added 2021-07-29 06:12:57.021 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host /10.242.64.130:9042 added 2021-07-29 06:12:57.021 INFO 10 --- [ main] com.datastax.driver.core.Cluster : New Cassandra host cassandra/10.242.55.134:9042 added 2021-07-29 06:12:57.021 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:57.022 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:57.023 DEBUG 10 --- [ main] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 2 2021-07-29 06:12:57.024 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-1, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:12:57.025 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-1, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:12:57.025 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preventing new connections for the next 1000 ms 2021-07-29 06:12:57.025 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-1, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:12:57.026 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:12:57.026 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] marking host DOWN 2021-07-29 06:12:57.029 DEBUG 10 --- [luster-worker-0] c.d.d.core.AbstractReconnectionHandler : First reconnection scheduled in 1000ms 2021-07-29 06:12:57.029 WARN 10 --- [er-nio-worker-0] c.d.driver.core.HostConnectionPool : Error creating connection to /10.242.64.130:9042 com.datastax.driver.core.exceptions.TransportException: [/10.242.64.130:9042] Cannot connect at com.datastax.driver.core.Connection$1.operationComplete(Connection.java:224) at com.datastax.driver.core.Connection$1.operationComplete(Connection.java:194) at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: /10.242.64.130:9042 Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) 2021-07-29 06:12:57.029 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] starting reconnection attempt 2021-07-29 06:12:57.030 WARN 10 --- [er-nio-worker-0] com.datastax.driver.core.Session : Error creating pool to /10.242.64.130:9042 com.datastax.driver.core.exceptions.ConnectionException: [/10.242.64.130:9042] Pool was closed during initialization at com.datastax.driver.core.HostConnectionPool$2.onSuccess(HostConnectionPool.java:173) at com.datastax.driver.core.HostConnectionPool$2.onSuccess(HostConnectionPool.java:158) at com.google.common.util.concurrent.Futures$6.run(Futures.java:1773) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:613) at com.google.common.util.concurrent.CollectionFuture$CollectionFutureRunningState.handleAllCompleted(CollectionFuture.java:76) at com.google.common.util.concurrent.AggregateFuture$RunningState.processCompleted(AggregateFuture.java:255) at com.google.common.util.concurrent.AggregateFuture$RunningState.decrementCountAndMaybeComplete(AggregateFuture.java:242) at com.google.common.util.concurrent.AggregateFuture$RunningState.access$300(AggregateFuture.java:91) at com.google.common.util.concurrent.AggregateFuture$RunningState$1.run(AggregateFuture.java:146) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.completeWithFuture(AbstractFuture.java:730) at com.google.common.util.concurrent.AbstractFuture.setFuture(AbstractFuture.java:666) at com.google.common.util.concurrent.Futures$AsyncCatchingFuture.doFallback(Futures.java:826) at com.google.common.util.concurrent.Futures$AsyncCatchingFuture.doFallback(Futures.java:813) at com.google.common.util.concurrent.Futures$AbstractCatchingFuture.run(Futures.java:789) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.completeWithFuture(AbstractFuture.java:730) at com.google.common.util.concurrent.AbstractFuture.setFuture(AbstractFuture.java:666) at com.google.common.util.concurrent.Futures$AsyncCatchingFuture.doFallback(Futures.java:826) at com.google.common.util.concurrent.Futures$AsyncCatchingFuture.doFallback(Futures.java:813) at com.google.common.util.concurrent.Futures$AbstractCatchingFuture.run(Futures.java:789) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:634) at com.google.common.util.concurrent.Futures$AbstractChainingFuture.run(Futures.java:1405) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456) at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817) at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753) at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:634) at com.google.common.util.concurrent.SettableFuture.setException(SettableFuture.java:53) at com.datastax.driver.core.Connection$1.operationComplete(Connection.java:222) at com.datastax.driver.core.Connection$1.operationComplete(Connection.java:194) at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) 2021-07-29 06:12:57.031 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:57.032 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] Connection established, initializing transport 2021-07-29 06:12:57.589 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:57.589 DEBUG 10 --- [er-nio-worker-1] c.d.driver.core.HostConnectionPool : Created connection pool to host cassandra/10.242.55.134:9042 (1 connections needed, 1 successfully opened) 2021-07-29 06:12:57.590 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Session : Added connection pool for cassandra/10.242.55.134:9042 2021-07-29 06:12:58.029 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:12:58.032 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-2, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:12:58.032 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-2, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:12:58.033 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-2, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:12:58.033 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-2, inFlight=0, closed=true] closing connection 2021-07-29 06:12:58.033 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:12:58.033 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 2000 milliseconds 2021-07-29 06:12:58.033 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 2000 ms 2021-07-29 06:12:58.088 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] Transport initialized, connection ready 2021-07-29 06:12:58.089 DEBUG 10 --- [er-nio-worker-1] c.d.driver.core.HostConnectionPool : Created connection pool to host /10.242.123.85:9042 (1 connections needed, 1 successfully opened) 2021-07-29 06:12:58.089 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Session : Added connection pool for /10.242.123.85:9042 2021-07-29 06:13:00.034 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:00.037 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-3, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:13:00.037 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-3, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:13:00.037 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-3, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:00.037 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-3, inFlight=0, closed=true] closing connection 2021-07-29 06:13:00.037 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:13:00.038 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 4000 milliseconds 2021-07-29 06:13:00.038 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 4000 ms 2021-07-29 06:13:01.569 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Processing the translator 2021-07-29 06:13:01.572 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv11 2021-07-29 06:13:01.572 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.573 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v11, BODY= 2021-07-29 06:13:01.576 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.576 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.576 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.576 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.617 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.619 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.619 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.619 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv12 2021-07-29 06:13:01.620 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.620 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v12, BODY= 2021-07-29 06:13:01.621 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.621 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.621 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.621 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.631 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.632 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.633 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.633 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv13 2021-07-29 06:13:01.633 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.634 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v13, BODY= 2021-07-29 06:13:01.635 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.635 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.635 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.635 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.644 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.646 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.646 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.647 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv14 2021-07-29 06:13:01.647 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.647 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v14, BODY= 2021-07-29 06:13:01.649 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.649 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.649 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.649 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.660 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.663 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.663 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.664 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv15 2021-07-29 06:13:01.664 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.664 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v15, BODY= 2021-07-29 06:13:01.666 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.666 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.666 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.666 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.676 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.679 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.679 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.680 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv16 2021-07-29 06:13:01.680 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.680 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v16, BODY= 2021-07-29 06:13:01.681 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.681 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.682 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.682 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.693 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.696 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.697 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.697 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv17 2021-07-29 06:13:01.697 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.698 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v17, BODY= 2021-07-29 06:13:01.699 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.699 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.699 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.699 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.709 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.712 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.712 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.712 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv18 2021-07-29 06:13:01.713 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.713 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v18, BODY= 2021-07-29 06:13:01.714 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.714 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.714 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.714 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.726 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.729 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.730 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.730 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv19 2021-07-29 06:13:01.730 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.731 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v19, BODY= 2021-07-29 06:13:01.732 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.732 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.732 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.732 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.744 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.747 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.747 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.747 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv20 2021-07-29 06:13:01.748 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.748 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v20, BODY= 2021-07-29 06:13:01.749 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.749 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.749 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.749 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.759 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.762 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.763 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.763 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv21 2021-07-29 06:13:01.763 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.764 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v21, BODY= 2021-07-29 06:13:01.766 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.766 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.766 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.766 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.783 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.789 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.789 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.789 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv22 2021-07-29 06:13:01.789 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.790 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v22, BODY= 2021-07-29 06:13:01.791 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.791 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.791 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.791 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.806 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.811 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.812 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.812 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Version being processedv23 2021-07-29 06:13:01.812 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.813 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/edgerules?version=v23, BODY= 2021-07-29 06:13:01.814 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.814 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.814 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.814 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:01.839 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:01.845 DEBUG 10 --- [ main] o.o.aai.setup.SchemaServiceTranslator : SchemaResponse Status code200 OK 2021-07-29 06:13:01.845 DEBUG 10 --- [ main] org.onap.aai.edges.EdgeIngestor : Retrieved json from SchemaService 2021-07-29 06:13:01.996 INFO 10 --- [ main] o.o.a.rest.search.SchemaServiceCQConfig : Calling the SchemaService to retrieve stored queries 2021-07-29 06:13:01.996 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : Request Headers: {} 2021-07-29 06:13:01.997 DEBUG 10 --- [ main] org.onap.aai.restclient.RestClient : METHOD=GET, URL=https://aai-schema-service.onap:8452/aai/schema-service/v1/stored-queries, BODY= 2021-07-29 06:13:01.998 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Checking for system property [partnerName] 2021-07-29 06:13:01.998 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : System property was null or empty. Checking environment variable for: partnerName 2021-07-29 06:13:01.998 INFO 10 --- [ main] org.onap.logging.filter.base.MDCSetup : Environment variable: partnerName was null or empty 2021-07-29 06:13:01.998 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : Invoke 2021-07-29 06:13:02.021 INFO 10 --- [ main] o.o.l.f.base.AbstractMetricLogFilter : InvokeReturn 2021-07-29 06:13:02.871 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Found javax.persistence.Persistence on classpath containing 'getPersistenceUtil'. Assuming JPA 2 environment. Trying to instantiate JPA aware TraversableResolver 2021-07-29 06:13:02.872 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Instantiated JPA aware TraversableResolver of type org.hibernate.validator.internal.engine.resolver.JPATraversableResolver. 2021-07-29 06:13:02.872 DEBUG 10 --- [ main] .h.v.m.ResourceBundleMessageInterpolator : Loaded expression factory via original TCCL 2021-07-29 06:13:02.874 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Found javax.persistence.Persistence on classpath containing 'getPersistenceUtil'. Assuming JPA 2 environment. Trying to instantiate JPA aware TraversableResolver 2021-07-29 06:13:02.874 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Instantiated JPA aware TraversableResolver of type org.hibernate.validator.internal.engine.resolver.JPATraversableResolver. 2021-07-29 06:13:02.876 DEBUG 10 --- [ main] o.h.v.internal.engine.ConfigurationImpl : Setting custom MessageInterpolator of type org.springframework.validation.beanvalidation.LocaleContextMessageInterpolator 2021-07-29 06:13:02.877 DEBUG 10 --- [ main] o.h.v.internal.engine.ConfigurationImpl : Setting custom ConstraintValidatorFactory of type org.springframework.validation.beanvalidation.SpringConstraintValidatorFactory 2021-07-29 06:13:02.878 DEBUG 10 --- [ main] o.h.v.internal.engine.ConfigurationImpl : Setting custom ParameterNameProvider of type org.springframework.validation.beanvalidation.LocalValidatorFactoryBean$1 2021-07-29 06:13:02.881 DEBUG 10 --- [ main] o.h.v.i.xml.config.ValidationXmlParser : Trying to load META-INF/validation.xml for XML based Validator configuration. 2021-07-29 06:13:02.881 DEBUG 10 --- [ main] o.h.v.i.xml.config.ResourceLoaderHelper : Trying to load META-INF/validation.xml via user class loader 2021-07-29 06:13:02.882 DEBUG 10 --- [ main] o.h.v.i.xml.config.ResourceLoaderHelper : Trying to load META-INF/validation.xml via TCCL 2021-07-29 06:13:02.883 DEBUG 10 --- [ main] o.h.v.i.xml.config.ResourceLoaderHelper : Trying to load META-INF/validation.xml via Hibernate Validator's class loader 2021-07-29 06:13:02.883 DEBUG 10 --- [ main] o.h.v.i.xml.config.ValidationXmlParser : No META-INF/validation.xml found. Using annotation based configuration only. 2021-07-29 06:13:02.901 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.springframework.validation.beanvalidation.LocaleContextMessageInterpolator as ValidatorFactory-scoped message interpolator. 2021-07-29 06:13:02.901 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.resolver.JPATraversableResolver as ValidatorFactory-scoped traversable resolver. 2021-07-29 06:13:02.901 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.util.ExecutableParameterNameProvider as ValidatorFactory-scoped parameter name provider. 2021-07-29 06:13:02.901 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.DefaultClockProvider as ValidatorFactory-scoped clock provider. 2021-07-29 06:13:02.901 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.scripting.DefaultScriptEvaluatorFactory as ValidatorFactory-scoped script evaluator factory. 2021-07-29 06:13:03.096 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] connection error java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:253) at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1133) at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:350) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:148) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) 2021-07-29 06:13:03.096 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] because: [/10.242.123.85:9042] Unexpected exception triggered (java.io.IOException: Connection reset by peer) 2021-07-29 06:13:03.096 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preventing new connections for the next 1000 ms 2021-07-29 06:13:03.096 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-1, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:03.096 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:13:03.097 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] marking host DOWN 2021-07-29 06:13:03.097 DEBUG 10 --- [luster-worker-1] c.d.d.core.AbstractReconnectionHandler : First reconnection scheduled in 1000ms 2021-07-29 06:13:03.097 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] starting reconnection attempt 2021-07-29 06:13:03.160 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT DOWN /10.242.123.85:9042, scheduling delivery 2021-07-29 06:13:03.161 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] received event DOWN 2021-07-29 06:13:03.602 DEBUG 10 --- [ main] c.datastax.driver.core.SystemProperties : com.datastax.driver.USE_NATIVE_CLOCK is undefined, using default value true 2021-07-29 06:13:03.603 INFO 10 --- [ main] com.datastax.driver.core.ClockFactory : Using native clock to generate timestamps. 2021-07-29 06:13:03.614 WARN 10 --- [ main] .b.a.g.t.GroovyTemplateAutoConfiguration : Cannot find template location: classpath:/templates/ (please add some templates, check your Groovy configuration, or set spring.groovy.template.check-template-location=false) 2021-07-29 06:13:04.021 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:13:04.038 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:04.041 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-4, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:13:04.041 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-4, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:13:04.042 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-4, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:04.042 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-4, inFlight=0, closed=true] closing connection 2021-07-29 06:13:04.042 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:13:04.042 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 8000 milliseconds 2021-07-29 06:13:04.042 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 8000 ms 2021-07-29 06:13:04.097 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:04.099 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-2, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:13:04.100 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-2, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:13:04.100 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-2, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:04.100 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-2, inFlight=0, closed=true] closing connection 2021-07-29 06:13:04.100 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:04.100 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 2000 milliseconds 2021-07-29 06:13:04.100 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 2000 ms 2021-07-29 06:13:04.161 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:04.318 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:13:04.689 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:13:05.031 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.resourceadminevent, scheduling delivery 2021-07-29 06:13:05.349 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.distributiondownloadevent, scheduling delivery 2021-07-29 06:13:05.848 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Found javax.persistence.Persistence on classpath containing 'getPersistenceUtil'. Assuming JPA 2 environment. Trying to instantiate JPA aware TraversableResolver 2021-07-29 06:13:05.848 DEBUG 10 --- [ main] o.h.v.i.e.resolver.TraversableResolvers : Instantiated JPA aware TraversableResolver of type org.hibernate.validator.internal.engine.resolver.JPATraversableResolver. 2021-07-29 06:13:05.850 DEBUG 10 --- [ main] o.h.v.i.xml.config.ValidationXmlParser : Trying to load META-INF/validation.xml for XML based Validator configuration. 2021-07-29 06:13:05.850 DEBUG 10 --- [ main] o.h.v.i.xml.config.ResourceLoaderHelper : Trying to load META-INF/validation.xml via TCCL 2021-07-29 06:13:05.851 DEBUG 10 --- [ main] o.h.v.i.xml.config.ResourceLoaderHelper : Trying to load META-INF/validation.xml via Hibernate Validator's class loader 2021-07-29 06:13:05.851 DEBUG 10 --- [ main] o.h.v.i.xml.config.ValidationXmlParser : No META-INF/validation.xml found. Using annotation based configuration only. 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] .h.v.m.ResourceBundleMessageInterpolator : Loaded expression factory via original TCCL 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator as ValidatorFactory-scoped message interpolator. 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.resolver.JPATraversableResolver as ValidatorFactory-scoped traversable resolver. 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.util.ExecutableParameterNameProvider as ValidatorFactory-scoped parameter name provider. 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.DefaultClockProvider as ValidatorFactory-scoped clock provider. 2021-07-29 06:13:05.867 DEBUG 10 --- [ main] o.h.v.i.engine.ValidatorFactoryImpl : HV000234: Using org.hibernate.validator.internal.engine.scripting.DefaultScriptEvaluatorFactory as ValidatorFactory-scoped script evaluator factory. 2021-07-29 06:13:05.945 WARN 10 --- [ main] org.glassfish.jersey.internal.Errors : The following warnings have been detected: WARNING: The (sub)resource method getC2Qgremlin in org.onap.aai.rest.CQ2Gremlin contains empty path annotation. WARNING: The (sub)resource method getC2Qgremlin in org.onap.aai.rest.CQ2GremlinTest contains empty path annotation. WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.onap.aai.rest.RecentAPIConsumer.getRecentData(java.lang.String,java.lang.String,java.lang.String,javax.ws.rs.core.HttpHeaders,javax.servlet.http.HttpServletRequest,javax.ws.rs.core.UriInfo), should not consume any entity. 2021-07-29 06:13:05.954 DEBUG 10 --- [ main] org.onap.aai.config.ErrorHandler : Filter 'errorHandler' configured for use 2021-07-29 06:13:05.989 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributiondownloadevent, scheduling delivery 2021-07-29 06:13:06.101 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:06.103 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-3, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:13:06.103 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-3, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:13:06.103 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-3, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:06.103 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-3, inFlight=0, closed=true] closing connection 2021-07-29 06:13:06.104 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:06.104 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 4000 milliseconds 2021-07-29 06:13:06.104 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 4000 ms 2021-07-29 06:13:06.303 INFO 10 --- [ main] org.onap.aai.TraversalApp : Application 'aai-traversal' is running on 8446! 2021-07-29 06:13:06.303 DEBUG 10 --- [ main] org.onap.aai.TraversalApp : Traversal MicroService Started Traversal Microservice Started 2021-07-29 06:13:06.474 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1979341799-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@49f61084 at consistency null 2021-07-29 06:13:06.474 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1979341799-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:06.559 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1293905163-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6f0b571a at consistency null 2021-07-29 06:13:06.559 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1293905163-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:06.659 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2124074638-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@5c8bb67b at consistency null 2021-07-29 06:13:06.660 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2124074638-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:06.666 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.distributionengineevent, scheduling delivery 2021-07-29 06:13:06.760 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [891558204-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@607d6561 at consistency null 2021-07-29 06:13:06.760 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [891558204-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:06.860 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [455740282-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@19763bda at consistency null 2021-07-29 06:13:06.860 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [455740282-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:06.962 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [770398753-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@2cf01c69 at consistency null 2021-07-29 06:13:06.962 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [770398753-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [86839212-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@2d495fe2 at consistency null 2021-07-29 06:13:07.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [86839212-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.159 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [282401740-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@26146147 at consistency null 2021-07-29 06:13:07.160 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [282401740-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.270 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1534047095-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@e9426b4 at consistency null 2021-07-29 06:13:07.270 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1534047095-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.374 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [740474985-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@22ab605b at consistency null 2021-07-29 06:13:07.374 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [740474985-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.478 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1092610606-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@457a9da3 at consistency null 2021-07-29 06:13:07.478 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1092610606-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.660 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2041348794-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@40e1d212 at consistency null 2021-07-29 06:13:07.660 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2041348794-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.667 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit 2021-07-29 06:13:07.763 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1610511091-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6fefed3c at consistency null 2021-07-29 06:13:07.763 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1610511091-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:07.764 DEBUG 10 --- [luster-worker-0] licationStrategy$NetworkTopologyStrategy : Computing token to replica map for keyspace: sdcartifact. 2021-07-29 06:13:07.773 DEBUG 10 --- [luster-worker-0] licationStrategy$NetworkTopologyStrategy : Token to replica map computation for keyspace sdcartifact completed in 9 milliseconds 2021-07-29 06:13:07.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1701167341-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@163ff122 at consistency null 2021-07-29 06:13:07.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1701167341-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:08.073 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionengineevent, scheduling delivery 2021-07-29 06:13:08.375 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1528109301-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@739e1c3 at consistency null 2021-07-29 06:13:08.375 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1528109301-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:09.060 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionengineevent, scheduling delivery 2021-07-29 06:13:09.179 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1186068607-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4986c274 at consistency null 2021-07-29 06:13:09.179 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1186068607-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:09.180 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:10.060 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributionengineevent (TABLE) 2021-07-29 06:13:10.104 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:10.106 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-4, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:13:10.107 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-4, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:13:10.107 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-4, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:10.107 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-4, inFlight=0, closed=true] closing connection 2021-07-29 06:13:10.107 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:10.107 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 8000 milliseconds 2021-07-29 06:13:10.107 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 8000 ms 2021-07-29 06:13:10.163 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.distributionnotificationevent, scheduling delivery 2021-07-29 06:13:11.164 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributionnotificationevent (TABLE) 2021-07-29 06:13:11.668 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionnotificationevent, scheduling delivery 2021-07-29 06:13:12.042 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:12.045 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-5, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:13:12.045 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-5, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:13:12.045 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-5, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:12.045 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-5, inFlight=0, closed=true] closing connection 2021-07-29 06:13:12.045 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:13:12.045 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 16000 milliseconds 2021-07-29 06:13:12.045 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 16000 ms 2021-07-29 06:13:12.669 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributionnotificationevent (TABLE) 2021-07-29 06:13:13.384 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionnotificationevent, scheduling delivery 2021-07-29 06:13:14.184 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1794405296-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@59104075 at consistency null 2021-07-29 06:13:14.184 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1794405296-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:14.260 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [568177835-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@304f1c94 at consistency null 2021-07-29 06:13:14.260 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionnotificationevent, scheduling delivery 2021-07-29 06:13:14.260 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [568177835-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:14.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1392300757-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@7830c4a7 at consistency null 2021-07-29 06:13:14.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1392300757-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:14.464 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [457685749-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@7da2cb7 at consistency null 2021-07-29 06:13:14.464 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [457685749-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:14.667 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1390879710-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@1471db7b at consistency null 2021-07-29 06:13:14.667 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1390879710-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:15.062 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.distributionstatusevent, scheduling delivery 2021-07-29 06:13:15.071 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [508800453-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6a1a20ae at consistency null 2021-07-29 06:13:15.071 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [508800453-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:15.874 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [705543840-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@3cf316ce at consistency null 2021-07-29 06:13:15.874 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [705543840-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:16.063 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit 2021-07-29 06:13:16.076 DEBUG 10 --- [luster-worker-0] licationStrategy$NetworkTopologyStrategy : Computing token to replica map for keyspace: sdcartifact. 2021-07-29 06:13:16.081 DEBUG 10 --- [luster-worker-0] licationStrategy$NetworkTopologyStrategy : Token to replica map computation for keyspace sdcartifact completed in 5 milliseconds 2021-07-29 06:13:16.373 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionstatusevent, scheduling delivery 2021-07-29 06:13:16.759 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [213596422-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@761562ce at consistency null 2021-07-29 06:13:16.759 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [213596422-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:17.373 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributionstatusevent (TABLE) 2021-07-29 06:13:17.562 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1739133596-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@5781871e at consistency null 2021-07-29 06:13:17.562 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1739133596-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:17.563 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:17.687 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributionstatusevent, scheduling delivery 2021-07-29 06:13:18.107 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:18.110 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-5, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:13:18.110 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-5, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:13:18.110 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-5, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:18.110 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-5, inFlight=0, closed=true] closing connection 2021-07-29 06:13:18.110 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:18.111 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 16000 milliseconds 2021-07-29 06:13:18.111 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 16000 ms 2021-07-29 06:13:18.687 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributionstatusevent (TABLE) 2021-07-29 06:13:18.770 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.distributiondeployevent, scheduling delivery 2021-07-29 06:13:19.771 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributiondeployevent (TABLE) 2021-07-29 06:13:20.163 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributiondeployevent, scheduling delivery 2021-07-29 06:13:21.163 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributiondeployevent (TABLE) 2021-07-29 06:13:21.966 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributiondeployevent, scheduling delivery 2021-07-29 06:13:22.567 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1679275561-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6cf24f30 at consistency null 2021-07-29 06:13:22.567 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1679275561-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:22.659 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [598277301-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@37109cc7 at consistency null 2021-07-29 06:13:22.660 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [598277301-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:22.763 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1980662479-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@41f486fd at consistency null 2021-07-29 06:13:22.763 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1980662479-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:22.966 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributiondeployevent (TABLE) 2021-07-29 06:13:22.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1503417184-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@1a1eaea4 at consistency null 2021-07-29 06:13:22.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1503417184-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:23.170 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [14876804-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@64ebf918 at consistency null 2021-07-29 06:13:23.170 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [14876804-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:23.460 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1690962297-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@572eb7e6 at consistency null 2021-07-29 06:13:23.460 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1690962297-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:23.759 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributiondeployevent, scheduling delivery 2021-07-29 06:13:23.863 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1716582357-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@32880090 at consistency null 2021-07-29 06:13:23.863 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1716582357-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:24.667 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1575792428-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@5d8cf3eb at consistency null 2021-07-29 06:13:24.667 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1575792428-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:24.759 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributiondeployevent (TABLE) 2021-07-29 06:13:25.570 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.distributiondeployevent, scheduling delivery 2021-07-29 06:13:26.362 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1167291189-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4427e8d8 at consistency null 2021-07-29 06:13:26.362 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1167291189-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:26.363 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:26.571 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.distributiondeployevent (TABLE) 2021-07-29 06:13:27.065 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.auditinggetuebclusterevent, scheduling delivery 2021-07-29 06:13:28.046 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:28.052 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-6, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:13:28.052 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-6, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:13:28.053 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-6, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:28.053 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-6, inFlight=0, closed=true] closing connection 2021-07-29 06:13:28.053 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:13:28.053 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 32000 milliseconds 2021-07-29 06:13:28.053 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 32000 ms 2021-07-29 06:13:28.066 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.auditinggetuebclusterevent (TABLE) 2021-07-29 06:13:29.162 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.auditinggetuebclusterevent, scheduling delivery 2021-07-29 06:13:30.163 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.auditinggetuebclusterevent (TABLE) 2021-07-29 06:13:30.460 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.authevent, scheduling delivery 2021-07-29 06:13:31.370 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1906719551-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@3659fc4c at consistency null 2021-07-29 06:13:31.370 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1906719551-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:31.460 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [279549057-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@cf042c7 at consistency null 2021-07-29 06:13:31.461 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [279549057-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:31.461 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.authevent (TABLE) 2021-07-29 06:13:31.564 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [679791735-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4db6fe08 at consistency null 2021-07-29 06:13:31.564 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [679791735-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:31.768 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1984956553-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@362cbe4e at consistency null 2021-07-29 06:13:31.768 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1984956553-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:31.880 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.authevent, scheduling delivery 2021-07-29 06:13:32.171 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [921680575-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4f6e8f5b at consistency null 2021-07-29 06:13:32.171 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [921680575-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:32.575 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1790852479-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@41861a0b at consistency null 2021-07-29 06:13:32.575 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1790852479-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:32.880 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.authevent (TABLE) 2021-07-29 06:13:33.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1691857707-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@3b3aea8d at consistency null 2021-07-29 06:13:33.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1691857707-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:33.464 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [305523576-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6837ed6a at consistency null 2021-07-29 06:13:33.464 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [305523576-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:33.868 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1506050499-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@5318a360 at consistency null 2021-07-29 06:13:33.868 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1506050499-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:34.066 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.authevent, scheduling delivery 2021-07-29 06:13:34.111 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:34.114 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-6, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:13:34.114 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-6, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:13:34.114 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-6, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:34.115 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:13:34.114 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-6, inFlight=0, closed=true] closing connection 2021-07-29 06:13:34.115 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 32000 milliseconds 2021-07-29 06:13:34.115 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 32000 ms 2021-07-29 06:13:34.271 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1116346945-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@223fbd4a at consistency null 2021-07-29 06:13:34.271 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1116346945-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:35.066 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.authevent (TABLE) 2021-07-29 06:13:35.160 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [454932432-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4e3d5502 at consistency null 2021-07-29 06:13:35.160 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [454932432-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:35.162 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:35.663 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.categoryevent, scheduling delivery 2021-07-29 06:13:36.664 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.categoryevent (TABLE) 2021-07-29 06:13:37.460 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.categoryevent, scheduling delivery 2021-07-29 06:13:38.461 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.categoryevent (TABLE) 2021-07-29 06:13:39.163 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.getuserslistevent, scheduling delivery 2021-07-29 06:13:40.164 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.getuserslistevent (TABLE) 2021-07-29 06:13:40.167 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [642703840-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@19b6bd12 at consistency null 2021-07-29 06:13:40.167 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [642703840-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.260 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1543087731-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@f230ee7 at consistency null 2021-07-29 06:13:40.260 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1543087731-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1236531039-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@502937a4 at consistency null 2021-07-29 06:13:40.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1236531039-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.459 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1063680654-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@7418fde6 at consistency null 2021-07-29 06:13:40.460 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1063680654-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.559 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1861668195-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@586a805a at consistency null 2021-07-29 06:13:40.560 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1861668195-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.663 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2016031984-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4f29e986 at consistency null 2021-07-29 06:13:40.663 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2016031984-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:40.867 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [779435429-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@562463d0 at consistency null 2021-07-29 06:13:40.867 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [779435429-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:41.070 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [575373551-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6560433f at consistency null 2021-07-29 06:13:41.071 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [575373551-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:41.467 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2047794192-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@69047799 at consistency null 2021-07-29 06:13:41.467 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [2047794192-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:41.662 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.getuserslistevent, scheduling delivery 2021-07-29 06:13:41.871 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1403709973-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@6961c6e6 at consistency null 2021-07-29 06:13:41.871 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1403709973-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:42.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1421176272-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@1cae12f9 at consistency null 2021-07-29 06:13:42.360 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1421176272-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:42.662 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.getuserslistevent (TABLE) 2021-07-29 06:13:43.163 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [705151825-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@7bb0c3e8 at consistency null 2021-07-29 06:13:43.164 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [705151825-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:43.259 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.getcategoryhierarchyevent, scheduling delivery 2021-07-29 06:13:43.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [652571741-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@3142dbb8 at consistency null 2021-07-29 06:13:43.967 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [652571741-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:43.968 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:44.259 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.getcategoryhierarchyevent (TABLE) 2021-07-29 06:13:45.660 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.getcategoryhierarchyevent, scheduling delivery 2021-07-29 06:13:46.661 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.getcategoryhierarchyevent (TABLE) 2021-07-29 06:13:47.459 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.externalapievent, scheduling delivery 2021-07-29 06:13:48.460 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.externalapievent (TABLE) 2021-07-29 06:13:48.975 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [572246230-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@56736d80 at consistency null 2021-07-29 06:13:48.975 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [572246230-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:49.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1572862632-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@3aa6946d at consistency null 2021-07-29 06:13:49.060 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1572862632-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:49.164 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1236707077-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@4774bf52 at consistency null 2021-07-29 06:13:49.164 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1236707077-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:49.364 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.externalapievent, scheduling delivery 2021-07-29 06:13:49.370 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1157395954-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@604c331f at consistency null 2021-07-29 06:13:49.370 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1157395954-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:49.860 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [945641667-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@2d1e5dfb at consistency null 2021-07-29 06:13:49.860 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [945641667-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:50.365 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.externalapievent (TABLE) 2021-07-29 06:13:50.664 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [446013402-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@2315b1c9 at consistency null 2021-07-29 06:13:50.664 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [446013402-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:51.559 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.externalapievent, scheduling delivery 2021-07-29 06:13:51.560 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1726455042-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@417904d6 at consistency null 2021-07-29 06:13:51.560 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1726455042-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:52.363 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1091778505-0] Doing retry 1 for query com.datastax.driver.core.BoundStatement@402c132d at consistency null 2021-07-29 06:13:52.363 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.RequestHandler : [1091778505-0] Error querying cassandra/10.242.55.134:9042 : com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive) 2021-07-29 06:13:52.364 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: cassandra/10.242.55.134:9042 (com.datastax.driver.core.exceptions.UnavailableException: Not enough replicas available for query at consistency LOCAL_QUORUM (2 required but only 1 alive))) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.retry(RequestHandler.java:539) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.processRetryDecision(RequestHandler.java:521) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.onSet(RequestHandler.java:791) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1233) at com.datastax.driver.core.Connection$Dispatcher.channelRead0(Connection.java:1151) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) at com.datastax.driver.core.InboundTrafficMeter.channelRead(InboundTrafficMeter.java:38) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ... 1 common frames omitted 2021-07-29 06:13:52.559 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.externalapievent (TABLE) 2021-07-29 06:13:53.666 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT UPDATED TABLE sdcaudit.externalapievent, scheduling delivery 2021-07-29 06:13:54.667 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.externalapievent (TABLE) 2021-07-29 06:13:55.471 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT CREATED TABLE sdcaudit.ecompopenvironmentevent, scheduling delivery 2021-07-29 06:13:55.767 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Cluster : Received event EVENT DOWN /10.242.55.134:9042, scheduling delivery 2021-07-29 06:13:55.767 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.55.134:9042] received event DOWN 2021-07-29 06:13:55.770 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] connection error java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:253) at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1133) at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:350) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:148) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) 2021-07-29 06:13:55.770 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] connection error java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at io.netty.buffer.PooledByteBuf.setBytes(PooledByteBuf.java:253) at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1133) at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:350) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:148) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Unexpected exception triggered (java.io.IOException: Connection reset by peer) 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Unexpected exception triggered (java.io.IOException: Connection reset by peer) 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preventing new connections for the next 1000 ms 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=false] failed, remaining = 1 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:55.771 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-2, inFlight=0, closed=true] closing connection 2021-07-29 06:13:55.771 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] marking host DOWN 2021-07-29 06:13:55.771 DEBUG 10 --- [luster-worker-0] c.d.driver.core.ControlConnection : [Control connection] cassandra/10.242.55.134:9042 is down/removed and it was the control host, triggering reconnect 2021-07-29 06:13:55.771 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-1, inFlight=0, closed=true] closing connection 2021-07-29 06:13:55.773 DEBUG 10 --- [luster-worker-0] c.d.d.core.AbstractReconnectionHandler : First reconnection scheduled in 0ms 2021-07-29 06:13:55.773 DEBUG 10 --- [er-nio-worker-0] c.d.d.core.AbstractReconnectionHandler : First reconnection scheduled in 0ms 2021-07-29 06:13:55.773 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Host.STATES : [Control connection] starting reconnection attempt 2021-07-29 06:13:55.773 DEBUG 10 --- [er-nio-worker-0] c.d.d.core.AbstractReconnectionHandler : Found another already active handler, cancelling 2021-07-29 06:13:55.773 DEBUG 10 --- [luster-worker-0] c.d.d.core.AbstractReconnectionHandler : First reconnection scheduled in 1000ms 2021-07-29 06:13:55.774 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] starting reconnection attempt 2021-07-29 06:13:55.774 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 1000 milliseconds 2021-07-29 06:13:55.774 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 1000 ms 2021-07-29 06:13:56.472 DEBUG 10 --- [luster-worker-1] c.d.driver.core.ControlConnection : [Control connection] Refreshing schema for sdcaudit.ecompopenvironmentevent (TABLE) 2021-07-29 06:13:56.768 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:13:56.774 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:56.774 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 2000 milliseconds 2021-07-29 06:13:56.774 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 2000 ms 2021-07-29 06:13:56.776 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-3, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:13:56.777 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-3, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:13:56.777 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-3, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:56.777 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-3, inFlight=0, closed=true] closing connection 2021-07-29 06:13:56.777 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:13:56.777 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 2000 milliseconds 2021-07-29 06:13:56.777 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 2000 ms 2021-07-29 06:13:58.775 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 4000 milliseconds 2021-07-29 06:13:58.775 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 4000 ms 2021-07-29 06:13:58.777 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:13:58.779 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-4, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:13:58.780 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-4, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:13:58.780 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-4, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:13:58.780 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-4, inFlight=0, closed=true] closing connection 2021-07-29 06:13:58.780 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:13:58.781 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 4000 milliseconds 2021-07-29 06:13:58.781 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 4000 ms 2021-07-29 06:14:00.054 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:00.056 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-7, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:14:00.056 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-7, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:14:00.056 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-7, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:00.057 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-7, inFlight=0, closed=true] closing connection 2021-07-29 06:14:00.057 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:14:00.057 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 64000 milliseconds 2021-07-29 06:14:00.057 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 64000 ms 2021-07-29 06:14:00.680 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:02.775 ERROR 10 --- [-reconnection-1] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 8000 milliseconds 2021-07-29 06:14:02.776 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 8000 ms 2021-07-29 06:14:02.781 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:02.784 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-5, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:14:02.784 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-5, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:14:02.784 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-5, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:02.784 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-5, inFlight=0, closed=true] closing connection 2021-07-29 06:14:02.784 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:14:02.785 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 8000 milliseconds 2021-07-29 06:14:02.785 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 8000 ms 2021-07-29 06:14:06.115 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:06.118 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-7, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:14:06.118 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-7, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:14:06.118 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-7, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:06.118 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-7, inFlight=0, closed=true] closing connection 2021-07-29 06:14:06.118 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:14:06.119 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 64000 milliseconds 2021-07-29 06:14:06.119 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 64000 ms 2021-07-29 06:14:09.424 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:10.776 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 16000 milliseconds 2021-07-29 06:14:10.776 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 16000 ms 2021-07-29 06:14:10.786 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:10.787 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-6, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:14:10.788 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-6, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:14:10.788 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-6, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:10.788 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-6, inFlight=0, closed=true] closing connection 2021-07-29 06:14:10.788 DEBUG 10 --- [luster-worker-0] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:14:10.788 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 16000 milliseconds 2021-07-29 06:14:10.788 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 16000 ms 2021-07-29 06:14:17.189 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:25.739 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:26.777 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 32000 milliseconds 2021-07-29 06:14:26.777 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 32000 ms 2021-07-29 06:14:26.788 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:26.791 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-7, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:14:26.791 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-7, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:14:26.791 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-7, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:26.791 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-7, inFlight=0, closed=true] closing connection 2021-07-29 06:14:26.791 DEBUG 10 --- [luster-worker-1] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:14:26.791 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 32000 milliseconds 2021-07-29 06:14:26.792 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 32000 ms 2021-07-29 06:14:34.354 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:43.049 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:51.673 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:14:58.779 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 64000 milliseconds 2021-07-29 06:14:58.779 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 64000 ms 2021-07-29 06:14:58.792 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:14:58.796 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-8, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:14:58.797 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-8, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:14:58.797 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-8, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:14:58.797 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-8, inFlight=0, closed=true] closing connection 2021-07-29 06:14:58.798 DEBUG 10 --- [luster-worker-2] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:14:58.798 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 64000 milliseconds 2021-07-29 06:14:58.798 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 64000 ms 2021-07-29 06:15:00.036 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:04.057 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:15:04.060 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-8, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:15:04.060 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-8, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:15:04.061 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-8, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:15:04.061 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-8, inFlight=0, closed=true] closing connection 2021-07-29 06:15:04.061 DEBUG 10 --- [luster-worker-3] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:15:04.062 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 128000 milliseconds 2021-07-29 06:15:04.062 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 128000 ms 2021-07-29 06:15:08.476 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:10.119 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:15:10.121 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-8, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:15:10.122 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-8, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:15:10.122 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-8, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:15:10.122 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-8, inFlight=0, closed=true] closing connection 2021-07-29 06:15:10.122 DEBUG 10 --- [luster-worker-2] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:15:10.122 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 128000 milliseconds 2021-07-29 06:15:10.122 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 128000 ms 2021-07-29 06:15:16.638 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:24.702 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:32.322 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:40.585 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:49.148 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:15:57.410 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:02.780 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 128000 milliseconds 2021-07-29 06:16:02.780 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 128000 ms 2021-07-29 06:16:02.798 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:16:02.801 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-9, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:16:02.801 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-9, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:16:02.801 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-9, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:16:02.802 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-9, inFlight=0, closed=true] closing connection 2021-07-29 06:16:02.802 DEBUG 10 --- [luster-worker-4] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:16:02.802 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 128000 milliseconds 2021-07-29 06:16:02.802 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 128000 ms 2021-07-29 06:16:06.072 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:14.341 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:23.309 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:31.874 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:39.688 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:47.870 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:16:55.381 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:03.042 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:11.510 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:12.062 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:17:12.065 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-9, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:17:12.066 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-9, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:17:12.066 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-9, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:17:12.066 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-9, inFlight=0, closed=true] closing connection 2021-07-29 06:17:12.067 DEBUG 10 --- [luster-worker-5] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:17:12.067 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 256000 milliseconds 2021-07-29 06:17:12.067 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 256000 ms 2021-07-29 06:17:18.123 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:17:18.125 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-9, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:17:18.125 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-9, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:17:18.125 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-9, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:17:18.126 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-9, inFlight=0, closed=true] closing connection 2021-07-29 06:17:18.126 DEBUG 10 --- [luster-worker-6] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:17:18.126 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 256000 milliseconds 2021-07-29 06:17:18.126 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 256000 ms 2021-07-29 06:17:18.919 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:26.522 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:34.834 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:42.724 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:50.965 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:17:59.784 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:07.949 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:10.781 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 256000 milliseconds 2021-07-29 06:18:10.781 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 256000 ms 2021-07-29 06:18:10.803 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:18:10.807 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-10, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:18:10.807 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-10, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:18:10.807 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-10, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:18:10.808 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-10, inFlight=0, closed=true] closing connection 2021-07-29 06:18:10.808 DEBUG 10 --- [luster-worker-7] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:18:10.808 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 256000 milliseconds 2021-07-29 06:18:10.808 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 256000 ms 2021-07-29 06:18:16.236 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:25.197 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:32.762 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:41.628 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:50.290 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:18:59.134 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:07.795 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:15.410 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:24.396 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:32.661 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:41.226 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:49.715 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:19:58.328 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:07.144 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:15.503 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:24.390 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:32.002 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:39.613 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:47.770 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:20:56.381 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:04.589 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:12.026 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:20.238 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:28.067 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:21:28.071 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-10, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:21:28.071 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-10, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:21:28.071 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-10, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:21:28.072 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-10, inFlight=0, closed=true] closing connection 2021-07-29 06:21:28.072 DEBUG 10 --- [luster-worker-8] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:21:28.072 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 512000 milliseconds 2021-07-29 06:21:28.072 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 512000 ms 2021-07-29 06:21:28.100 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:34.127 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:21:34.129 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-10, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:21:34.129 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-10, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:21:34.129 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-10, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:21:34.130 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-10, inFlight=0, closed=true] closing connection 2021-07-29 06:21:34.130 DEBUG 10 --- [luster-worker-9] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:21:34.130 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 512000 milliseconds 2021-07-29 06:21:34.130 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 512000 ms 2021-07-29 06:21:36.387 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:44.674 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:21:52.440 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:01.382 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:09.696 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:18.583 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:26.782 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 512000 milliseconds 2021-07-29 06:22:26.782 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 512000 ms 2021-07-29 06:22:26.809 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:22:26.813 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-11, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:22:26.813 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-11, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:22:26.813 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-11, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:22:26.814 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-11, inFlight=0, closed=true] closing connection 2021-07-29 06:22:26.814 DEBUG 10 --- [uster-worker-10] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:22:26.815 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 512000 milliseconds 2021-07-29 06:22:26.815 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 512000 ms 2021-07-29 06:22:27.248 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:35.609 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:43.150 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:51.810 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:22:59.568 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:07.432 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:15.224 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:23.611 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:31.922 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:40.509 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:48.146 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:23:56.636 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:05.601 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:14.591 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:22.978 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:30.490 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:38.907 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:46.745 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:24:55.306 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:03.575 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:11.990 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:21.561 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:29.226 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:38.484 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:46.777 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:25:55.466 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:03.828 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:12.419 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:20.789 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:29.058 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:37.993 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:46.177 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:26:53.638 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:01.125 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:09.385 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:17.696 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:26.184 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:34.745 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:43.709 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:52.124 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:27:59.892 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:08.417 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:15.881 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:24.342 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:33.109 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:41.628 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:49.389 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:28:58.153 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:06.336 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:14.194 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:21.656 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:29.517 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:37.112 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:46.081 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:29:54.265 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:00.072 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:30:00.076 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-11, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:30:00.076 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-11, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:30:00.076 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-11, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:30:00.077 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-11, inFlight=0, closed=true] closing connection 2021-07-29 06:30:00.077 DEBUG 10 --- [uster-worker-11] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:30:00.077 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:30:00.078 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 06:30:01.950 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:06.131 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:30:06.134 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-11, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:30:06.134 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-11, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:30:06.134 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-11, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:30:06.134 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-11, inFlight=0, closed=true] closing connection 2021-07-29 06:30:06.134 DEBUG 10 --- [uster-worker-12] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:30:06.135 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:30:06.135 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 06:30:10.586 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:19.057 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:26.818 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:35.710 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:43.848 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:51.611 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:30:58.783 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 06:30:58.783 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 06:30:58.815 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:30:58.817 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-12, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:30:58.818 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-12, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:30:58.818 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-12, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:30:58.818 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-12, inFlight=0, closed=true] closing connection 2021-07-29 06:30:58.818 DEBUG 10 --- [uster-worker-13] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:30:58.819 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:30:58.819 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 06:31:00.071 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:07.480 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:15.343 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:23.159 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:31.875 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:40.487 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:48.646 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:31:57.158 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:06.149 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:15.138 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:23.605 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:31.866 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:39.803 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:48.011 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:32:55.976 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:04.565 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:12.630 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:21.347 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:29.357 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:38.359 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:46.497 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:33:54.509 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:02.572 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:10.060 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:18.823 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:27.588 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:35.797 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:43.955 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:34:52.246 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:00.936 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:09.220 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:17.481 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:25.745 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:34.732 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:43.141 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:51.399 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:35:59.682 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:08.148 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:16.459 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:24.699 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:32.908 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:41.295 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:49.807 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:36:58.626 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:07.040 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:15.801 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:23.210 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:31.869 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:40.783 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:49.070 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:37:57.686 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:05.548 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:13.836 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:22.676 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:31.519 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:40.035 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:48.597 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:38:56.807 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:05.719 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:14.204 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:22.393 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:30.705 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:39.165 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:47.425 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:39:54.832 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:00.078 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:40:00.082 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-12, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:40:00.082 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-12, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:40:00.082 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-12, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:40:00.083 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-12, inFlight=0, closed=true] closing connection 2021-07-29 06:40:00.083 DEBUG 10 --- [uster-worker-14] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:40:00.083 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:40:00.083 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 06:40:02.571 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:06.135 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:40:06.138 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-12, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:40:06.138 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-12, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:40:06.138 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-12, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:40:06.139 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-12, inFlight=0, closed=true] closing connection 2021-07-29 06:40:06.139 DEBUG 10 --- [uster-worker-15] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:40:06.140 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:40:06.140 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 06:40:11.182 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:20.175 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:28.468 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:37.105 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:45.462 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:54.420 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:40:58.784 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 06:40:58.784 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 06:40:58.819 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:40:58.823 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-13, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:40:58.823 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-13, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:40:58.823 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-13, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:40:58.824 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-13, inFlight=0, closed=true] closing connection 2021-07-29 06:40:58.824 DEBUG 10 --- [uster-worker-16] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:40:58.824 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:40:58.824 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 06:41:03.206 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:11.498 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:19.983 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:28.743 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:37.727 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:45.884 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:41:53.844 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:02.531 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:11.397 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:19.760 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:28.652 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:36.909 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:45.469 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:42:53.107 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:00.719 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:09.003 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:17.294 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:25.979 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:34.419 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:42.880 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:51.037 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:43:59.798 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:08.413 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:17.177 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:25.537 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:34.097 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:41.759 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:50.678 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:44:59.390 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:07.749 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:15.684 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:23.199 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:31.014 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:39.274 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:47.483 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:45:56.347 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:05.058 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:13.318 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:20.828 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:28.589 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:36.948 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:45.609 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:46:53.899 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:02.234 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:09.695 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:18.304 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:26.487 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:35.301 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:43.963 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:47:52.025 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:00.660 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:09.571 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:17.282 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:25.171 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:33.634 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:42.245 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:50.454 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:48:58.164 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:06.877 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:15.465 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:23.326 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:32.064 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:40.175 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:47.789 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:49:55.448 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:00.084 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:50:00.088 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-13, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 06:50:00.088 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-13, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 06:50:00.089 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-13, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:50:00.089 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-13, inFlight=0, closed=true] closing connection 2021-07-29 06:50:00.090 DEBUG 10 --- [uster-worker-17] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 06:50:00.090 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:50:00.090 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 06:50:04.357 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:06.140 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:50:06.142 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-13, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 06:50:06.142 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-13, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 06:50:06.143 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-13, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:50:06.143 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-13, inFlight=0, closed=true] closing connection 2021-07-29 06:50:06.143 DEBUG 10 --- [uster-worker-18] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 06:50:06.143 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:50:06.143 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 06:50:13.145 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:20.903 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:28.445 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:36.359 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:44.918 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:53.780 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:50:58.785 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 06:50:58.785 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 06:50:58.825 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 06:50:58.827 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-14, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 06:50:58.828 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-14, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 06:50:58.828 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-14, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 06:50:58.828 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-14, inFlight=0, closed=true] closing connection 2021-07-29 06:50:58.828 DEBUG 10 --- [uster-worker-19] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 06:50:58.828 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 06:50:58.829 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 06:51:01.664 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:10.450 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:19.212 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:27.729 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:35.487 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:42.919 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:51.277 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:51:59.460 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:07.398 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:15.232 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:24.066 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:32.423 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:40.982 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:49.396 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:52:57.553 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:06.317 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:14.903 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:22.937 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:31.701 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:39.312 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:47.150 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:53:55.488 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:03.896 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:11.757 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:20.544 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:28.854 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:37.167 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:45.526 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:54:53.063 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:01.300 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:09.012 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:17.522 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:26.133 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:34.690 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:43.449 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:55:52.058 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:01.018 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:09.231 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:18.176 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:26.637 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:34.146 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:42.760 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:50.572 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:56:59.458 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:08.316 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:16.774 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:25.211 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:33.768 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:41.979 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:50.638 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:57:59.576 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:08.162 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:15.853 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:24.165 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:31.824 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:40.585 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:49.451 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:58:56.858 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:05.718 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:14.476 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:23.437 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:32.297 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:40.606 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:49.163 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 06:59:58.048 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:00.091 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:00:00.095 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-14, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 07:00:00.095 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-14, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 07:00:00.095 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-14, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:00:00.096 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-14, inFlight=0, closed=true] closing connection 2021-07-29 07:00:00.096 DEBUG 10 --- [uster-worker-20] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 07:00:00.097 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:00:00.097 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 07:00:06.144 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:00:06.146 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-14, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 07:00:06.146 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-14, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 07:00:06.146 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-14, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:00:06.146 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-14, inFlight=0, closed=true] closing connection 2021-07-29 07:00:06.146 DEBUG 10 --- [uster-worker-21] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 07:00:06.147 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:00:06.147 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 07:00:06.257 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:15.017 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:23.229 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:31.869 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:40.705 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:48.112 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:56.421 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:00:58.786 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 07:00:58.787 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 07:00:58.829 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:00:58.833 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-15, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 07:00:58.833 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-15, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 07:00:58.833 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-15, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:00:58.834 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-15, inFlight=0, closed=true] closing connection 2021-07-29 07:00:58.834 DEBUG 10 --- [uster-worker-22] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 07:00:58.835 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:00:58.835 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 07:01:04.279 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:12.538 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:21.322 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:29.432 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:37.890 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:46.550 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:01:54.731 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:02.568 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:10.983 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:19.243 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:27.430 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:35.540 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:43.274 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:02:52.162 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:00.873 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:09.256 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:18.214 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:26.107 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:34.945 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:43.604 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:03:52.565 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:01.524 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:09.734 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:18.675 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:27.485 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:35.345 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:44.303 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:04:52.660 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:00.218 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:08.478 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:17.438 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:25.248 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:33.605 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:41.290 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:49.849 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:05:58.211 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:06.798 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:15.458 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:22.865 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:30.874 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:39.211 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:48.074 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:06:56.215 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:05.077 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:13.986 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:22.368 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:30.979 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:39.215 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:48.174 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:07:56.868 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:04.729 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:13.440 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:21.224 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:28.682 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:36.868 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:45.376 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:08:53.860 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:01.719 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:09.976 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:18.784 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:27.246 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:36.208 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:44.071 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:09:52.884 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:00.097 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:10:00.102 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-15, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 07:10:00.102 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-15, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 07:10:00.102 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-15, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:10:00.103 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-15, inFlight=0, closed=true] closing connection 2021-07-29 07:10:00.103 DEBUG 10 --- [uster-worker-23] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 07:10:00.104 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:10:00.104 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 07:10:01.495 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:06.147 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:10:06.149 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-15, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 07:10:06.150 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-15, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 07:10:06.150 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-15, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:10:06.150 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-15, inFlight=0, closed=true] closing connection 2021-07-29 07:10:06.150 DEBUG 10 --- [uster-worker-24] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 07:10:06.151 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:10:06.151 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 07:10:10.181 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:18.939 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:27.224 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:36.034 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:44.619 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:52.654 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:10:58.787 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 07:10:58.787 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 07:10:58.835 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:10:58.838 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-16, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 07:10:58.839 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-16, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 07:10:58.839 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-16, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:10:58.839 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-16, inFlight=0, closed=true] closing connection 2021-07-29 07:10:58.839 DEBUG 10 --- [uster-worker-25] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 07:10:58.840 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:10:58.840 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 07:11:00.967 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:09.403 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:17.561 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:26.373 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:34.681 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:42.890 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:11:51.323 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:00.283 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:08.693 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:17.101 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:25.259 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:33.144 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:41.678 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:50.361 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:12:58.927 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:07.013 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:15.750 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:23.438 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:32.395 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:39.981 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:47.641 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:13:56.350 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:04.535 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:12.770 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:20.977 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:28.736 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:37.093 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:45.451 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:14:53.658 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:02.617 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:10.976 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:19.289 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:27.553 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:34.959 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:43.619 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:51.176 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:15:59.712 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:08.169 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:15.627 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:24.486 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:32.919 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:41.655 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:50.290 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:16:58.147 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:05.756 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:13.716 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:22.674 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:31.359 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:38.765 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:46.299 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:17:54.556 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:02.264 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:10.974 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:18.881 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:27.314 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:35.096 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:43.455 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:51.711 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:18:59.394 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:08.153 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:15.990 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:23.798 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:32.333 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:40.592 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:48.500 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:19:56.210 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:00.104 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:20:00.109 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-16, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 07:20:00.109 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-16, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 07:20:00.109 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-16, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:20:00.110 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-16, inFlight=0, closed=true] closing connection 2021-07-29 07:20:00.110 DEBUG 10 --- [uster-worker-26] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 07:20:00.110 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:20:00.110 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 07:20:03.773 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:06.151 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:20:06.153 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-16, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 07:20:06.153 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-16, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 07:20:06.153 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-16, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:20:06.154 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-16, inFlight=0, closed=true] closing connection 2021-07-29 07:20:06.154 DEBUG 10 --- [uster-worker-27] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 07:20:06.154 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:20:06.154 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 07:20:12.384 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:20.869 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:29.527 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:38.185 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:46.392 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:54.201 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:20:58.789 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 07:20:58.790 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 07:20:58.840 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:20:58.844 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-17, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 07:20:58.844 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-17, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 07:20:58.845 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-17, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:20:58.845 DEBUG 10 --- [er-nio-worker-2] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-17, inFlight=0, closed=true] closing connection 2021-07-29 07:20:58.846 DEBUG 10 --- [uster-worker-28] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 07:20:58.846 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:20:58.846 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 07:21:01.609 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:09.066 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:16.648 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:25.156 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:34.043 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:42.702 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:50.258 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:21:57.790 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:06.373 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:14.829 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:23.512 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:31.145 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:39.402 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:47.711 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:22:55.119 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:03.676 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:12.082 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:20.692 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:29.276 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:36.713 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:44.771 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:23:52.228 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:00.144 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:08.458 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:17.167 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:25.777 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:34.209 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:41.643 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:50.625 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:24:59.212 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:06.618 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:14.427 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:22.712 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:30.169 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:38.679 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:47.340 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:25:55.224 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:03.438 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:11.622 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:19.784 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:28.619 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:37.252 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:44.715 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:26:52.776 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:01.484 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:09.068 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:17.349 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:25.504 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:33.486 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:41.892 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:50.508 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:27:59.391 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:08.002 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:16.810 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:25.369 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:33.629 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:42.587 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:50.893 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:28:59.276 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:06.732 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:14.239 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:23.022 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:31.630 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:39.412 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:48.069 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:29:57.027 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:00.111 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:30:00.115 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-17, inFlight=0, closed=false] Error connecting to /10.242.64.130:9042 (Connection refused: /10.242.64.130:9042) 2021-07-29 07:30:00.115 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.64.130:9042-17, inFlight=0, closed=false] because: [/10.242.64.130:9042] Cannot connect 2021-07-29 07:30:00.115 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] Connection[/10.242.64.130:9042-17, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:30:00.116 DEBUG 10 --- [er-nio-worker-0] com.datastax.driver.core.Connection : Connection[/10.242.64.130:9042-17, inFlight=0, closed=true] closing connection 2021-07-29 07:30:00.116 DEBUG 10 --- [uster-worker-29] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.64.130:9042 2021-07-29 07:30:00.117 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.64.130:9042 ([/10.242.64.130:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:30:00.117 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [/10.242.64.130:9042] next reconnection attempt in 600000 ms 2021-07-29 07:30:05.785 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:06.155 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:30:06.157 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-17, inFlight=0, closed=false] Error connecting to /10.242.123.85:9042 (Connection refused: /10.242.123.85:9042) 2021-07-29 07:30:06.157 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : Defuncting Connection[/10.242.123.85:9042-17, inFlight=0, closed=false] because: [/10.242.123.85:9042] Cannot connect 2021-07-29 07:30:06.157 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] Connection[/10.242.123.85:9042-17, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:30:06.158 DEBUG 10 --- [er-nio-worker-3] com.datastax.driver.core.Connection : Connection[/10.242.123.85:9042-17, inFlight=0, closed=true] closing connection 2021-07-29 07:30:06.158 DEBUG 10 --- [uster-worker-30] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host /10.242.123.85:9042 2021-07-29 07:30:06.158 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to /10.242.123.85:9042 ([/10.242.123.85:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:30:06.158 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [/10.242.123.85:9042] next reconnection attempt in 600000 ms 2021-07-29 07:30:13.243 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:22.204 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:30.511 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:38.975 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:47.534 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:55.193 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:30:58.790 ERROR 10 --- [-reconnection-0] c.d.driver.core.ControlConnection : [Control connection] Cannot connect to any host, scheduling retry in 600000 milliseconds 2021-07-29 07:30:58.791 DEBUG 10 --- [-reconnection-0] com.datastax.driver.core.Host.STATES : [Control connection] next reconnection attempt in 600000 ms 2021-07-29 07:30:58.846 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] preparing to open 1 new connections, total = 1 2021-07-29 07:30:58.850 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-18, inFlight=0, closed=false] Error connecting to cassandra/10.242.55.134:9042 (Connection refused: cassandra/10.242.55.134:9042) 2021-07-29 07:30:58.850 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : Defuncting Connection[cassandra/10.242.55.134:9042-18, inFlight=0, closed=false] because: [cassandra/10.242.55.134:9042] Cannot connect 2021-07-29 07:30:58.850 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] Connection[cassandra/10.242.55.134:9042-18, inFlight=0, closed=false] failed, remaining = 0 2021-07-29 07:30:58.851 DEBUG 10 --- [er-nio-worker-1] com.datastax.driver.core.Connection : Connection[cassandra/10.242.55.134:9042-18, inFlight=0, closed=true] closing connection 2021-07-29 07:30:58.851 DEBUG 10 --- [uster-worker-31] com.datastax.driver.core.Cluster : Aborting onDown because a reconnection is running on DOWN host cassandra/10.242.55.134:9042 2021-07-29 07:30:58.851 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Cluster : Failed reconnection to cassandra/10.242.55.134:9042 ([cassandra/10.242.55.134:9042] Cannot connect), scheduling retry in 600000 milliseconds 2021-07-29 07:30:58.851 DEBUG 10 --- [-reconnection-1] com.datastax.driver.core.Host.STATES : [cassandra/10.242.55.134:9042] next reconnection attempt in 600000 ms 2021-07-29 07:31:02.601 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:11.458 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:20.118 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:28.407 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:36.966 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:45.548 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:31:53.855 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:02.312 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:10.494 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:18.903 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:27.209 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:35.867 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:44.375 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:32:52.383 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:01.291 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:09.148 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:16.580 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:25.462 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:33.374 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:41.281 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:50.237 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:33:58.298 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:06.959 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:14.516 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:22.073 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:30.783 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:39.164 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:47.345 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:34:55.951 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:04.108 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:11.764 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:20.222 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:28.756 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:37.166 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:46.077 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:35:54.264 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:01.946 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:10.506 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:18.862 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:27.344 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:35.176 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:43.133 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:51.691 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:36:59.499 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:07.507 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:15.817 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:23.574 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:32.258 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:40.415 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:49.125 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:37:56.632 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:05.290 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:13.725 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:22.183 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:30.514 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:39.259 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:47.118 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:38:55.700 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:39:03.156 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:39:11.491 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:39:19.948 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted 2021-07-29 07:39:28.606 WARN 10 --- [pool-8-thread-1] o.j.diskstorage.log.kcvs.KCVSLog : Could not read messages for timestamp [2021-07-29T06:13:01.366Z] (this read will be retried) org.janusgraph.core.JanusGraphException: Could not execute operation due to backend exception at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:57) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Could not successfully complete backend operation due to repeated temporary exceptions after PT4S at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:101) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) ... 9 common frames omitted Caused by: org.janusgraph.diskstorage.TemporaryBackendException: Temporary failure in storage backend at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$null$2(CQLKeyColumnValueStore.java:126) at io.vavr.API$Match$Case0.apply(API.java:3174) at io.vavr.API$Match.of(API.java:3137) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.lambda$static$3(CQLKeyColumnValueStore.java:123) at io.vavr.control.Try.getOrElseThrow(Try.java:671) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:290) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) ... 10 common frames omitted Caused by: java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476) at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:435) at io.vavr.control.Try.of(Try.java:62) at io.vavr.concurrent.FutureImpl.lambda$run$2(FutureImpl.java:199) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) ... 3 common frames omitted Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (no host was tried) at com.datastax.driver.core.RequestHandler.reportNoMoreHosts(RequestHandler.java:265) at com.datastax.driver.core.RequestHandler.access$1200(RequestHandler.java:62) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.findNextHostAndQuery(RequestHandler.java:357) at com.datastax.driver.core.RequestHandler.startNewExecution(RequestHandler.java:138) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:120) at com.datastax.driver.core.SessionManager.execute(SessionManager.java:700) at com.datastax.driver.core.SessionManager.executeAsync(SessionManager.java:144) at org.janusgraph.diskstorage.cql.CQLKeyColumnValueStore.getSlice(CQLKeyColumnValueStore.java:282) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:798) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller$1.call(KCVSLog.java:795) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:148) at org.janusgraph.diskstorage.util.BackendOperation$1.call(BackendOperation.java:162) at org.janusgraph.diskstorage.util.BackendOperation.executeDirect(BackendOperation.java:69) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:55) at org.janusgraph.diskstorage.util.BackendOperation.execute(BackendOperation.java:159) at org.janusgraph.diskstorage.log.kcvs.KCVSLog$MessagePuller.run(KCVSLog.java:732) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ... 3 common frames omitted