Results

By type

          2021-10-09 23:28:09,529||140383770152264|INFO|prometheus_metrics|conductor.common.prometheus_metrics: [-] Prometheus metrics endpoint started at 8001
2021-10-09 23:44:25,660||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633823065.658176098","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-09 23:44:25,673||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 187 exited with status 2
2021-10-09 23:46:55,855||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633823215.854631484","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-09 23:46:55,865||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 1734 exited with status 2
2021-10-09 23:53:49,761||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633823629.760826272","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-09 23:53:49,773||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 1969 exited with status 2
2021-10-09 23:56:54,857||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633823814.856516148","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-09 23:56:54,864||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 2626 exited with status 2
2021-10-10 00:10:54,257||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633824654.255901614","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:10:54,272||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 2916 exited with status 2
2021-10-10 00:12:57,027||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633824777.026059701","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:12:57,040||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 4200 exited with status 2
2021-10-10 00:18:56,059||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633825136.058395656","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:18:56,068||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 4407 exited with status 2
2021-10-10 00:19:37,855||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633825177.854719788","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:19:37,867||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 4933 exited with status 2
2021-10-10 00:22:29,960||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633825349.959490207","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:22:29,973||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 5013 exited with status 2
2021-10-10 00:28:22,855||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633825702.854486887","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:28:22,864||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 5283 exited with status 2
2021-10-10 00:33:22,359||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633826002.358144538","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:33:22,369||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 5843 exited with status 2
2021-10-10 00:36:15,655||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633826175.654598069","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:36:15,662||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 6338 exited with status 2
2021-10-10 00:43:38,656||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633826618.655973603","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:43:38,666||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 6643 exited with status 2
2021-10-10 00:47:03,455||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633826823.454369111","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:47:03,466||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 7334 exited with status 2
Process Process-15:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633826834.725969792","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 272, in setup_rpc
    target = music_messaging.Target(topic=topic)
  File "/opt/has/conductor/conductor/common/music/messaging/component.py", line 103, in __init__
    self._topic_class = base.create_dynamic_model(
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 186, in create_dynamic_model
    model.table_create()
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 70, in table_create
    db_backend.DB_API.table_create(**kwargs)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 100, in table_create
    self.get_client().put_if_not_exists(table_key, table_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:47:14,738||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 7673 exited with status 1
2021-10-10 00:57:43,228||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633827463.227514754","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 00:57:43,240||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 7699 exited with status 2
2021-10-10 01:05:28,158||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633827928.157582408","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:05:28,172||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 8656 exited with status 2
2021-10-10 01:08:33,359||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633828113.358292231","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:08:33,369||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 9384 exited with status 2
2021-10-10 01:11:00,456||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633828260.455170658","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:11:00,467||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 9667 exited with status 2
2021-10-10 01:12:13,056||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633828333.054935326","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:12:13,065||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 9899 exited with status 2
2021-10-10 01:20:44,458||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633828844.457610154","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:20:44,469||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10008 exited with status 2
2021-10-10 01:26:39,525||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633829199.524493090","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:26:39,537||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10830 exited with status 2
2021-10-10 01:37:56,859||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633829876.858273862","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:37:56,867||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 11441 exited with status 2
2021-10-10 01:41:53,857||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633830113.856373198","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:41:53,867||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 12528 exited with status 2
2021-10-10 01:43:56,760||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633830236.759521850","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:43:56,769||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 12866 exited with status 2
2021-10-10 01:49:10,658||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633830550.657825253","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:49:10,668||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 13069 exited with status 2
2021-10-10 01:50:25,657||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633830625.656895312","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:50:25,669||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 13572 exited with status 2
2021-10-10 01:59:44,461||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831184.460586875","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 01:59:44,472||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 13690 exited with status 2
2021-10-10 02:02:54,155||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831374.154453581","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:02:54,167||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 14613 exited with status 2
2021-10-10 02:03:35,954||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831415.954249417","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:03:35,965||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 14921 exited with status 2
2021-10-10 02:04:28,156||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831468.156088926","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:04:28,164||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 14992 exited with status 2
2021-10-10 02:08:18,360||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831698.359460950","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:08:18,368||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 15082 exited with status 2
2021-10-10 02:09:12,958||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633831752.957446096","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:09:12,968||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 15449 exited with status 2
2021-10-10 02:14:02,855||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633832042.854787890","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:14:02,866||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 15538 exited with status 2
2021-10-10 02:25:24,460||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633832724.458801219","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:25:24,472||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 16002 exited with status 2
2021-10-10 02:29:42,159||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633832982.158160682","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:29:42,170||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 17116 exited with status 2
2021-10-10 02:47:45,130||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633834065.129306306","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 02:47:45,140||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 17534 exited with status 2
2021-10-10 03:02:24,126||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633834944.124961267","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:02:24,138||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 19302 exited with status 2
2021-10-10 03:14:15,457||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633835655.455930549","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:14:15,470||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 20730 exited with status 2
2021-10-10 03:15:26,858||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633835726.857174819","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:15:26,868||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 21893 exited with status 2
2021-10-10 03:25:20,955||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633836320.954592407","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:25:20,963||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 22015 exited with status 2
2021-10-10 03:30:37,757||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633836637.756894264","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:30:37,771||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 22977 exited with status 2
2021-10-10 03:32:38,225||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633836758.223833401","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:32:38,234||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 23488 exited with status 2
2021-10-10 03:40:15,925||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633837215.924460674","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:40:15,939||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 23690 exited with status 2
2021-10-10 03:47:14,758||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633837634.757518369","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:47:14,769||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 24443 exited with status 2
2021-10-10 03:50:01,056||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633837801.055469106","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:50:01,067||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 25109 exited with status 2
2021-10-10 03:51:23,056||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633837883.055048407","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:51:23,069||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 25379 exited with status 2
2021-10-10 03:59:26,733||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633838366.732166764","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 03:59:26,746||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 25510 exited with status 2
2021-10-10 04:03:25,257||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633838605.256927291","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:03:25,265||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 26331 exited with status 2
Process Process-50:
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 46, in handler
    return f(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 834, in transaction
    txn_response = self.kvstub.Txn(
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633838616.555184513","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 92, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 46, in handler
    return f(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 444, in put_if_not_exists
    status, _ = self.transaction(
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 48, in handler
    _translate_exception(exc)
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 32, in _translate_exception
    raise exception
etcd3.exceptions.ConnectionFailedError: etcd connection failed
2021-10-10 04:03:36,563||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 26724 exited with status 1
2021-10-10 04:09:33,556||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633838973.555381758","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:09:33,568||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 26742 exited with status 2
2021-10-10 04:10:16,930||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633839016.929624333","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:10:16,940||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 27314 exited with status 2
2021-10-10 04:10:51,156||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633839051.155834107","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:10:51,164||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 27398 exited with status 2
2021-10-10 04:19:57,863||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633839597.861173111","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:19:57,877||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 27450 exited with status 2
2021-10-10 04:28:08,657||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633840088.656468249","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:28:08,669||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 28306 exited with status 2
2021-10-10 04:41:10,356||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633840870.355134916","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 04:41:10,368||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 29122 exited with status 2
2021-10-10 05:00:05,256||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633842005.254513473","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:00:05,267||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 30368 exited with status 2
2021-10-10 05:03:58,457||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633842238.456593186","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:03:58,468||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 32247 exited with status 2
2021-10-10 05:07:44,227||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633842464.226618225","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:07:44,241||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 32602 exited with status 2
2021-10-10 05:10:19,759||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633842619.758001058","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:10:19,770||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 503 exited with status 2
2021-10-10 05:13:34,262||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633842814.261381558","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:13:34,272||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 745 exited with status 2
2021-10-10 05:25:01,160||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633843501.159345385","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:25:01,170||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 1037 exited with status 2
2021-10-10 05:27:20,758||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633843640.757756581","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:27:20,767||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 2154 exited with status 2
2021-10-10 05:32:19,325||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633843939.324142540","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:32:19,338||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 2375 exited with status 2
2021-10-10 05:33:47,660||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633844027.659578221","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:33:47,670||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 2860 exited with status 2
2021-10-10 05:41:13,256||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633844473.255291063","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 05:41:13,268||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 3009 exited with status 2
2021-10-10 06:03:10,059||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633845790.058009199","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:03:10,075||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 3708 exited with status 2
2021-10-10 06:17:03,855||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633846623.854557282","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:17:03,868||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 5826 exited with status 2
2021-10-10 06:47:47,225||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633848467.224002127","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:47:47,238||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 7156 exited with status 2
2021-10-10 06:49:17,359||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633848557.358509578","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:49:17,368||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10133 exited with status 2
2021-10-10 06:50:35,359||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633848635.358809143","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:50:35,370||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10298 exited with status 2
2021-10-10 06:55:15,229||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633848915.229118358","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 06:55:15,239||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10426 exited with status 2
2021-10-10 07:03:20,156||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633849400.154875374","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:03:20,169||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 10893 exited with status 2
2021-10-10 07:08:38,459||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633849718.458839041","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:08:38,470||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 11681 exited with status 2
2021-10-10 07:17:14,862||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633850234.860910927","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:17:14,874||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 12192 exited with status 2
2021-10-10 07:31:33,671||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633851093.670603539","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:31:33,682||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 13015 exited with status 2
2021-10-10 07:37:08,856||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633851428.855644000","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:37:08,867||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 14385 exited with status 2
2021-10-10 07:39:05,459||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633851545.458349885","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 07:39:05,469||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 14940 exited with status 2
2021-10-10 08:02:36,361||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633852956.360216270","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:02:36,375||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 15120 exited with status 2
2021-10-10 08:22:01,058||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633854121.057339141","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:22:01,071||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 17356 exited with status 2
2021-10-10 08:31:33,361||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633854693.360741857","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:31:33,372||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 19180 exited with status 2
2021-10-10 08:38:03,659||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855083.658346881","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:38:03,671||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 20122 exited with status 2
2021-10-10 08:39:55,656||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855195.655676790","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:39:55,669||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 20736 exited with status 2
2021-10-10 08:41:15,256||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855275.256351926","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:41:15,266||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 20916 exited with status 2
2021-10-10 08:47:52,255||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855672.254525826","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:47:52,267||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 21036 exited with status 2
2021-10-10 08:51:26,556||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855886.555607968","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:51:26,569||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 21711 exited with status 2
Process Process-87:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633855905.254599453","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 272, in setup_rpc
    target = music_messaging.Target(topic=topic)
  File "/opt/has/conductor/conductor/common/music/messaging/component.py", line 103, in __init__
    self._topic_class = base.create_dynamic_model(
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 186, in create_dynamic_model
    model.table_create()
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 70, in table_create
    db_backend.DB_API.table_create(**kwargs)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 100, in table_create
    self.get_client().put_if_not_exists(table_key, table_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:51:45,267||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 22048 exited with status 1
2021-10-10 08:53:26,360||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633856006.359301861","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 08:53:26,368||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 22077 exited with status 2
2021-10-10 09:02:27,961||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633856547.960757926","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:02:27,974||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 22242 exited with status 2
2021-10-10 09:07:09,230||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633856829.229209679","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:07:09,240||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 23120 exited with status 2
2021-10-10 09:11:45,361||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633857105.360599936","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:11:45,371||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 23582 exited with status 2
2021-10-10 09:14:37,625||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633857277.624522720","description":"Error received from peer ipv4:10.233.74.239:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:14:37,637||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 24035 exited with status 2
2021-10-10 09:24:49,263||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633857889.261702719","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:24:49,277||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 24308 exited with status 2
2021-10-10 09:36:27,057||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633858587.056629082","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:36:27,070||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 25315 exited with status 2
2021-10-10 09:45:29,859||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633859129.858257545","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 09:45:29,869||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 26428 exited with status 2
2021-10-10 10:07:19,155||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633860439.154503193","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 10:07:19,167||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 27311 exited with status 2
2021-10-10 10:08:29,356||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633860509.354990005","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 10:08:29,367||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 29410 exited with status 2
2021-10-10 10:17:44,957||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633861064.956624137","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 128, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 73, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 70, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-10 10:17:44,969||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 29516 exited with status 2
2021-10-11 00:03:20,062||140383701838624|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "etcdserver: request timed out"
	debug_error_string = "{"created":"@1633910600.060553115","description":"Error received from peer ipv4:10.233.69.132:2379","file":"src/core/lib/surface/call.cc","file_line":1067,"grpc_message":"etcdserver: request timed out","grpc_status":14}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 134, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 80, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 67, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2021-10-11 00:03:20,078||140383703960352|INFO|_service_manager|cotyledon._service_manager: [-] Child 30417 exited with status 2