Details
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Bug
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Status: Open
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Normal
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Resolution: Unresolved
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None
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Correctness - Test Failure
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Normal
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Normal
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User Report
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All
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None
Description
Failed 1 times in the last 30 runs. Flakiness: 3%, Stability: 96%
Error Message
cassandra.cluster.NoHostAvailable: ('Unable to connect to any servers',
)
Stacktrace
self = <abc.TestCQLNodes2RF1_Upgrade_indev_3_0_x_To_indev_4_0_x object at 0x7f39199845b0>
def test_edge_2i_on_complex_pk(self):
> cursor = self.prepare()
upgrade_tests/cql_tests.py:2796:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
upgrade_tests/upgrade_base.py:138: in prepare
session = self.patient_cql_connection(node1, protocol_version=protocol_version, **kwargs)
dtest_setup.py:238: in patient_cql_connection
session = retry_till_success(
dtest_setup.py:39: in retry_till_success
return fun(*args, **kwargs)
dtest_setup.py:176: in cql_connection
return self._create_session(node, keyspace, user, password, compression,
dtest_setup.py:216: in _create_session
session = cluster.connect(wait_for_all_pools=True)
../venv/src/cassandra-driver/cassandra/cluster.py:1690: in connect
self.control_connection.connect()
../venv/src/cassandra-driver/cassandra/cluster.py:3488: in connect
self._set_new_connection(self._reconnect_internal())
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <cassandra.cluster.ControlConnection object at 0x7f391a65dbb0>
def _reconnect_internal(self):
"""
Tries to connect to each host in the query plan until one succeeds
or every attempt fails. If successful, a new Connection will be
returned. Otherwise, :exc:`NoHostAvailable` will be raised
with an "errors" arg that is a dict mapping host addresses
to the exception that was raised when an attempt was made to open
a connection to that host.
"""
errors = {}
lbp = (
self._cluster.load_balancing_policy
if self._cluster._config_mode == _ConfigMode.LEGACY else
self._cluster._default_load_balancing_policy
)
for host in lbp.make_query_plan():
try:
return self._try_connect(host)
except ConnectionException as exc:
errors[str(host.endpoint)] = exc
log.warning("[control connection] Error connecting to %s:", host, exc_info=True)
self._cluster.signal_connection_failure(host, exc, is_host_addition=False)
except Exception as exc:
errors[str(host.endpoint)] = exc
log.warning("[control connection] Error connecting to %s:", host, exc_info=True)
if self._is_shutdown:
raise DriverException("[control connection] Reconnection in progress during shutdown")
> raise NoHostAvailable("Unable to connect to any servers", errors)
E cassandra.cluster.NoHostAvailable: ('Unable to connect to any servers', {'127.0.0.1:9042': DriverException('ProtocolError returned from server while using explicitly set client protocol_version 4')})
../venv/src/cassandra-driver/cassandra/cluster.py:3533: NoHostAvailable