Results

By type

          2021-10-09 23:28:57,258|None|140193898429216|INFO|service|conductor.reservation.service:  [-] plan id: healthcheck [-] Reservation starts, changing the template status from solved to reserving, atomic update response from MUSIC SUCCESS
2021-10-09 23:28:57,259|None|140193898429216|INFO|service|conductor.reservation.service:  [-] plan id: healthcheck [-] Plan healthcheck with request id foo is reserving by machine onap-oof-has-reservation-74c5fd67d4-2b58n. Tried to reserve it for 1 times.
2021-10-09 23:28:57,259|None|140193898429216|ERROR|service|conductor.reservation.service:  [-] plan id: healthcheck [-] no conductor_solver in translation for Plan healthcheck
2021-10-09 23:28:57,260|None|140193898429216|INFO|service|conductor.reservation.service:  [-] plan id: healthcheck [-] Plan healthcheck with request id foo Reservation complete
2021-10-09 23:29:02,959|None|140193898429216|INFO|service|conductor.reservation.service:  [-] plan id: healthcheck [-] Reservation is complete, changing the template status from reserving to done, atomic update response from MUSIC SUCCESS
2021-10-09 23:34:05,059|None|140193898429216|ERROR|_utils|cotyledon._utils:  [-] plan id: healthcheck [-] 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":"@1633822445.058145791","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:34:05,071||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 165 exited with status 2
2021-10-09 23:35:36,155||140193898429216|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":"@1633822536.154627051","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 23:35:36,164||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 768 exited with status 2
2021-10-09 23:36:35,859||140193898429216|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":"@1633822595.859053615","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:36:35,867||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 911 exited with status 2
2021-10-09 23:37:22,830||140193898429216|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":"@1633822642.829760635","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 23:37:22,836||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1001 exited with status 2
2021-10-09 23:38:36,958||140193898429216|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":"@1633822716.957775321","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 23:38:36,967||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1083 exited with status 2
2021-10-09 23:39:38,927||140193898429216|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":"@1633822778.926695786","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:39:38,935||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1200 exited with status 2
2021-10-09 23:41:02,255||140193898429216|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":"@1633822862.255076589","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:41:02,266||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1296 exited with status 2
2021-10-09 23:43:54,227||140193898429216|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":"@1633823034.226394271","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:43:54,236||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1440 exited with status 2
2021-10-09 23:53:29,661||140193898429216|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":"@1633823609.661103140","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:53:29,669||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1707 exited with status 2
2021-10-09 23:56:14,657||140193898429216|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":"@1633823774.656080474","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:56:14,663||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 2614 exited with status 2
2021-10-09 23:57:13,157||140193898429216|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":"@1633823833.156290840","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:57:13,167||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 2886 exited with status 2
2021-10-09 23:58:14,931||140193898429216|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":"@1633823894.930298972","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 23:58:14,938||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 2973 exited with status 2
2021-10-10 00:13:33,624||140193898429216|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":"@1633824813.623457303","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:13:33,639||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 3075 exited with status 2
2021-10-10 00:27:15,763||140193898429216|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":"@1633825635.762810417","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:27:15,775||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 4536 exited with status 2
2021-10-10 00:28:37,059||140193898429216|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":"@1633825717.058491650","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 00:28:37,068||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 5803 exited with status 2
2021-10-10 00:37:57,856||140193898429216|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":"@1633826277.855715192","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 00:37:57,864||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 5934 exited with status 2
2021-10-10 00:43:41,163||140193898429216|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":"@1633826621.162654792","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:43:41,172||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 6853 exited with status 2
2021-10-10 00:51:58,928||140193898429216|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":"@1633827118.927300611","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:51:58,940||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 7418 exited with status 2
2021-10-10 00:53:51,928||140193898429216|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":"@1633827231.927704002","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:53:51,940||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8184 exited with status 2
2021-10-10 00:55:49,956||140193898429216|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":"@1633827349.955603769","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 00:55:49,966||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8369 exited with status 2
2021-10-10 00:56:22,255||140193898429216|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":"@1633827382.254334507","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 00:56:22,266||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8551 exited with status 2
2021-10-10 01:03:43,363||140193898429216|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":"@1633827823.362294046","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 01:03:43,373||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8611 exited with status 2
2021-10-10 01:08:35,958||140193898429216|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":"@1633828115.957730096","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:08:35,970||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 9298 exited with status 2
2021-10-10 01:16:43,560||140193898429216|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":"@1633828603.559072967","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:16:43,572||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 9787 exited with status 2
2021-10-10 01:22:02,261||140193898429216|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":"@1633828922.260561388","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:22:02,273||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 10579 exited with status 2
2021-10-10 01:22:50,155||140193898429216|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":"@1633828970.154963910","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:22:50,166||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11117 exited with status 2
2021-10-10 01:24:51,855||140193898429216|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":"@1633829091.854963458","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 01:24:51,863||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11186 exited with status 2
2021-10-10 01:29:59,957||140193898429216|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":"@1633829399.956757534","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:29:59,970||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11391 exited with status 2
2021-10-10 01:35:49,857||140193898429216|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":"@1633829749.857084105","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 01:35:49,867||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11875 exited with status 2
2021-10-10 01:36:40,157||140193898429216|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":"@1633829800.157237211","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 01:36:40,167||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12455 exited with status 2
2021-10-10 01:40:49,455||140193898429216|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":"@1633830049.454290075","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:40:49,463||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12538 exited with status 2
2021-10-10 01:42:24,855||140193898429216|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":"@1633830144.854987758","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 01:42:24,867||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12938 exited with status 2
2021-10-10 01:49:13,756||140193898429216|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":"@1633830553.755776380","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:49:13,767||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 13096 exited with status 2
2021-10-10 01:54:50,860||140193898429216|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":"@1633830890.860274277","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 01:54:50,870||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 13819 exited with status 2
2021-10-10 02:11:28,533||140193898429216|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":"@1633831888.532495254","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:11:28,542||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 14380 exited with status 2
2021-10-10 02:16:26,756||140193898429216|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":"@1633832186.755356157","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:16:26,765||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 15982 exited with status 2
2021-10-10 02:18:00,024||140193898429216|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":"@1633832280.023879320","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:18:00,032||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 16454 exited with status 2
2021-10-10 02:18:29,557||140193898429216|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":"@1633832309.557107453","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 02:18:29,567||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 16616 exited with status 2
2021-10-10 02:22:01,754||140193898429216|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":"@1633832521.754140865","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:22:01,762||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 16662 exited with status 2
2021-10-10 02:32:35,355||140193898429216|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":"@1633833155.354972527","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:32:35,365||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 17006 exited with status 2
2021-10-10 02:33:07,862||140193898429216|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":"@1633833187.861716930","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:33:07,870||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 18019 exited with status 2
2021-10-10 02:34:29,759||140193898429216|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":"@1633833269.758674265","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:34:29,771||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 18074 exited with status 2
2021-10-10 02:52:28,557||140193898429216|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":"@1633834348.556381629","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:52:28,568||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 18203 exited with status 2
2021-10-10 02:54:07,157||140193898429216|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":"@1633834447.156865793","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 02:54:07,166||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 19936 exited with status 2
2021-10-10 03:02:54,359||140193898429216|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":"@1633834974.358517237","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 03:02:54,371||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 20094 exited with status 2
2021-10-10 03:39:14,156||140193898429216|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":"@1633837154.154837303","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 03:39:14,169||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 20956 exited with status 2
2021-10-10 03:42:55,956||140193898429216|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":"@1633837375.955207952","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 03:42:55,966||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 24447 exited with status 2
2021-10-10 03:50:03,755||140193898429216|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":"@1633837803.754809447","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 03:50:03,765||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 24803 exited with status 2
2021-10-10 03:52:32,558||140193898429216|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":"@1633837952.557447250","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 03:52:32,568||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 25515 exited with status 2
2021-10-10 03:58:19,642||140193898429216|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":"@1633838299.642096148","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 03:58:19,653||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 25732 exited with status 2
2021-10-10 04:02:46,057||140193898429216|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":"@1633838566.056605885","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:02:46,069||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 26283 exited with status 2
2021-10-10 04:12:08,564||140193898429216|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":"@1633839128.563282402","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:12:08,574||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 26730 exited with status 2
2021-10-10 04:14:21,959||140193898429216|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":"@1633839261.959183599","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:14:21,967||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 27629 exited with status 2
2021-10-10 04:22:57,360||140193898429216|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":"@1633839777.359369437","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:22:57,368||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 27851 exited with status 2
2021-10-10 04:25:13,759||140193898429216|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":"@1633839913.759041992","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 04:25:13,770||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 28678 exited with status 2
2021-10-10 04:47:53,363||140193898429216|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":"@1633841273.362086541","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:47:53,376||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 28895 exited with status 2
2021-10-10 04:57:40,855||140193898429216|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":"@1633841860.854850970","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 04:57:40,865||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 31076 exited with status 2
2021-10-10 05:01:09,255||140193898429216|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":"@1633842069.254902985","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 05:01:09,265||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32046 exited with status 2
2021-10-10 05:04:45,529||140193898429216|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":"@1633842285.528645068","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:04:45,538||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32395 exited with status 2
2021-10-10 05:06:11,758||140193898429216|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":"@1633842371.757725951","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 05:06:11,769||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32752 exited with status 2
Process Process-61:
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":"@1633842380.624212937","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/reservation/service.py", line 115, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/reservation/service.py", line 137, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/reservation/service.py", line 178, 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 "/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 05:06:20,634||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 434 exited with status 1
2021-10-10 05:08:24,458||140193898429216|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":"@1633842504.458146605","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:08:24,468||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 445 exited with status 2
2021-10-10 05:11:35,058||140193898429216|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":"@1633842695.058208330","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 05:11:35,067||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 649 exited with status 2
2021-10-10 05:17:53,459||140193898429216|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":"@1633843073.457885815","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 05:17:53,471||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 959 exited with status 2
2021-10-10 05:18:59,570||140193898429216|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":"@1633843139.569964691","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 05:18:59,581||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1573 exited with status 2
2021-10-10 05:31:45,660||140193898429216|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":"@1633843905.659595156","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:31:45,676||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 1684 exited with status 2
2021-10-10 05:37:03,964||140193898429216|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":"@1633844223.963366529","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:37:03,980||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 2908 exited with status 2
2021-10-10 05:40:48,955||140193898429216|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":"@1633844448.955016585","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:40:48,967||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 3411 exited with status 2
2021-10-10 05:52:49,557||140193898429216|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":"@1633845169.556680361","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:52:49,569||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 3755 exited with status 2
2021-10-10 05:56:58,556||140193898429216|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":"@1633845418.554728866","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 05:56:58,567||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 4941 exited with status 2
2021-10-10 06:11:28,856||140193898429216|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":"@1633846288.855457373","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:11:28,865||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 5360 exited with status 2
2021-10-10 06:18:33,264||140193898429216|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":"@1633846713.263311370","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:18:33,274||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 6786 exited with status 2
2021-10-10 06:19:48,157||140193898429216|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":"@1633846788.156766103","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:19:48,169||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 7481 exited with status 2
2021-10-10 06:22:10,660||140193898429216|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":"@1633846930.659433664","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:22:10,670||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 7592 exited with status 2
2021-10-10 06:27:34,428||140193898429216|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":"@1633847254.427956968","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:27:34,437||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 7827 exited with status 2
2021-10-10 06:31:53,655||140193898429216|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":"@1633847513.654877589","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 06:31:53,669||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8354 exited with status 2
2021-10-10 06:47:04,559||140193898429216|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":"@1633848424.558177602","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:47:04,571||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 8777 exited with status 2
2021-10-10 06:50:37,855||140193898429216|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":"@1633848637.854742394","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 06:50:37,866||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 10177 exited with status 2
2021-10-10 06:52:50,657||140193898429216|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":"@1633848770.656365001","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 06:52:50,667||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 10510 exited with status 2
2021-10-10 07:02:47,055||140193898429216|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":"@1633849367.054693128","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:02:47,065||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 10741 exited with status 2
2021-10-10 07:03:22,656||140193898429216|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":"@1633849402.654953390","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 07:03:22,667||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11723 exited with status 2
2021-10-10 07:05:20,757||140193898429216|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":"@1633849520.756054832","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 07:05:20,768||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11783 exited with status 2
2021-10-10 07:09:49,424||140193898429216|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":"@1633849789.423418896","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:09:49,433||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 11965 exited with status 2
2021-10-10 07:12:38,255||140193898429216|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":"@1633849958.254674755","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:12:38,264||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12418 exited with status 2
2021-10-10 07:19:09,358||140193898429216|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":"@1633850349.357731449","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:19:09,369||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12688 exited with status 2
2021-10-10 07:23:36,259||140193898429216|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":"@1633850616.259283168","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 07:23:36,268||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 13342 exited with status 2
2021-10-10 07:30:39,958||140193898429216|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":"@1633851039.958146695","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 07:30:39,967||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 13784 exited with status 2
2021-10-10 07:31:18,256||140193898429216|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":"@1633851078.255710478","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:31:18,265||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 14470 exited with status 2
2021-10-10 07:39:02,759||140193898429216|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":"@1633851542.758076847","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:39:02,770||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 14533 exited with status 2
2021-10-10 07:59:49,763||140193898429216|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":"@1633852789.762674936","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 07:59:49,772||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 15316 exited with status 2
2021-10-10 08:08:19,456||140193898429216|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":"@1633853299.455581842","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:08:19,467||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 17343 exited with status 2
2021-10-10 08:10:18,156||140193898429216|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":"@1633853418.155620223","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:10:18,167||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 18142 exited with status 2
2021-10-10 08:31:13,956||140193898429216|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":"@1633854673.955050320","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:31:13,964||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 18330 exited with status 2
2021-10-10 08:33:49,358||140193898429216|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":"@1633854829.357355247","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 08:33:49,367||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 20326 exited with status 2
2021-10-10 08:37:29,728||140193898429216|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":"@1633855049.727627209","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:37:29,737||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 20597 exited with status 2
2021-10-10 08:38:05,859||140193898429216|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":"@1633855085.859082095","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:38:05,868||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 20978 exited with status 2
2021-10-10 08:40:19,256||140193898429216|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":"@1633855219.255867105","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:40:19,269||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 21032 exited with status 2
2021-10-10 08:41:33,257||140193898429216|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":"@1633855293.256856930","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:41:33,269||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 21231 exited with status 2
2021-10-10 08:42:49,129||140193898429216|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":"@1633855369.128759479","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 08:42:49,137||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 21352 exited with status 2
Process Process-100:
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":"@1633855378.957712500","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/reservation/service.py", line 115, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/reservation/service.py", line 137, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/reservation/service.py", line 178, 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 "/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 08:42:58,971||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 21468 exited with status 1
2021-10-10 08:49:32,659||140193898429216|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":"@1633855772.658118425","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:49:32,669||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 21479 exited with status 2
2021-10-10 08:50:45,255||140193898429216|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":"@1633855845.255309249","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 08:50:45,264||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 22125 exited with status 2
2021-10-10 08:52:49,425||140193898429216|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":"@1633855969.424550911","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:52:49,436||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 22236 exited with status 2
2021-10-10 08:53:07,359||140193898429216|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":"@1633855987.358343621","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 08:53:07,371||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 22428 exited with status 2
Process Process-105:
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":"@1633856008.455684139","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/reservation/service.py", line 115, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/reservation/service.py", line 137, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/reservation/service.py", line 179, 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 08:53:28,467||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 22457 exited with status 1
2021-10-10 09:01:17,259||140193898429216|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":"@1633856477.258582608","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 09:01:17,271||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 22489 exited with status 2
2021-10-10 09:14:55,955||140193898429216|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":"@1633857295.955141357","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 09:14:55,966||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 23248 exited with status 2
2021-10-10 09:17:30,656||140193898429216|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":"@1633857450.655820563","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 09:17:30,668||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 24564 exited with status 2
2021-10-10 09:18:47,559||140193898429216|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":"@1633857527.558876982","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 09:18:47,569||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 24841 exited with status 2
2021-10-10 09:30:39,756||140193898429216|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":"@1633858239.756150265","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 09:30:39,765||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 24967 exited with status 2
2021-10-10 09:40:31,425||140193898429216|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":"@1633858831.424513353","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 09:40:31,437||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 26149 exited with status 2
2021-10-10 09:41:21,459||140193898429216|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":"@1633858881.458081560","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 09:41:21,467||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 27091 exited with status 2
2021-10-10 09:44:34,457||140193898429216|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":"@1633859074.456653132","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 09:44:34,466||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 27181 exited with status 2
2021-10-10 09:54:27,660||140193898429216|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":"@1633859667.659211808","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 09:54:27,671||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 27497 exited with status 2
2021-10-10 10:04:20,259||140193898429216|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":"@1633860260.258127965","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 10:04:20,273||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 28422 exited with status 2
2021-10-10 10:10:30,562||140193898429216|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":"@1633860630.562168546","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 10:10:30,572||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 29402 exited with status 2
2021-10-10 10:21:13,626||140193898429216|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":"@1633861273.625073470","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 10:21:13,636||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 29997 exited with status 2
2021-10-10 10:30:22,061||140193898429216|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":"@1633861822.060448435","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 10:30:22,069||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 31033 exited with status 2
2021-10-10 10:32:29,955||140193898429216|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":"@1633861949.954274605","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 10:32:29,964||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 31889 exited with status 2
2021-10-10 10:36:03,158||140193898429216|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":"@1633862163.157980123","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 10:36:03,170||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32092 exited with status 2
Process Process-121:
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":"@1633862173.553673583","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/reservation/service.py", line 115, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/reservation/service.py", line 137, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/reservation/service.py", line 178, 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 10:36:13,561||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32429 exited with status 1
2021-10-10 10:37:33,460||140193898429216|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":"@1633862253.459654390","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 10:37:33,471||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32445 exited with status 2
2021-10-10 10:38:03,157||140193898429216|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":"@1633862283.157228340","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 10:38:03,166||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32576 exited with status 2
2021-10-10 21:38:04,663||140193898429216|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":"@1633901884.662447582","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 21:38:04,675||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 32630 exited with status 2
2021-10-10 22:01:21,255||140193898429216|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":"@1633903281.255184076","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 22:01:21,265||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 9882 exited with status 2
2021-10-11 02:28:18,659||140193898429216|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":"@1633919298.657915811","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 02:28:18,674||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12516 exited with status 2
2021-10-11 07:41:20,463||140193898429216|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":"@1633938080.461315320","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/reservation/service.py", line 264, in run
    solved_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVED)
  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 07:41:20,476||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 9811 exited with status 2
2021-10-11 13:24:25,558||140193898429216|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":"@1633958665.557375566","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/reservation/service.py", line 265, in run
    reserving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.RESERVING)
  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 13:24:25,570||140193900550944|INFO|_service_manager|cotyledon._service_manager: [-] Child 12496 exited with status 2