[ https://issues.apache.org/jira/browse/CASSANDRA-16657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ekaterina Dimitrova updated CASSANDRA-16657: -------------------------------------------- Since Version: (was: 4.0-rc1) > Flaky TestPaxos > --------------- > > Key: CASSANDRA-16657 > URL: https://issues.apache.org/jira/browse/CASSANDRA-16657 > Project: Cassandra > Issue Type: Bug > Components: Test/dtest/python > Reporter: Berenguer Blasi > Assignee: Ekaterina Dimitrova > Priority: Normal > Fix For: 4.0-rc2, 4.0, 4.0.x > > > During testing for some other ticket I found in a test run > [this|https://ci-cassandra.apache.org/job/Cassandra-devbranch/736/testReport/junit/dtest-novnode.paxos_test/TestPaxos/test_cluster_availability/] > paxos failure > {noformat} > Error Message > cassandra.Unavailable: Error from server: code=1000 [Unavailable exception] > message="Cannot achieve consistency level SERIAL" info={'consistency': > 'SERIAL', 'required_replicas': 1, 'alive_replicas': 0} > Stacktrace > self = <paxos_test.TestPaxos object at 0x7fafbd3f4850> > @pytest.mark.no_vnodes > def test_cluster_availability(self): > # Warning, a change in partitioner or a change in CCM token allocation > # may require the partition keys of these inserts to be changed. > # This must not use vnodes as it relies on assumed token values. > > session = self.prepare(nodes=3) > session.execute("CREATE TABLE test (k int PRIMARY KEY, v int)") > session.execute("INSERT INTO test (k, v) VALUES (0, 0) IF NOT EXISTS") > > self.cluster.nodelist()[2].stop() > session.execute("INSERT INTO test (k, v) VALUES (1, 1) IF NOT EXISTS") > > self.cluster.nodelist()[1].stop() > session.execute("INSERT INTO test (k, v) VALUES (3, 2) IF NOT EXISTS") > > self.cluster.nodelist()[1].start() > session.execute("INSERT INTO test (k, v) VALUES (5, 5) IF NOT EXISTS") > > self.cluster.nodelist()[2].start() > > session.execute("INSERT INTO test (k, v) VALUES (6, 6) IF NOT EXISTS") > paxos_test.py:83: > _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ > _ > ../venv/src/cassandra-driver/cassandra/cluster.py:2618: in execute > return self.execute_async(query, parameters, trace, custom_payload, > timeout, execution_profile, paging_state, host, execute_as).result() > _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ > _ > self = <ResponseFuture: query='<SimpleStatement query="INSERT INTO test (k, > v) VALUES (6, 6) IF NOT EXISTS", consistency=Not ...el SERIAL" > info={'consistency': 'SERIAL', 'required_replicas': 1, 'alive_replicas': 0} > coordinator_host=127.0.0.2:9042> > def result(self): > """ > Return the final result or raise an Exception if errors were > encountered. If the final result or error has not been set > yet, this method will block until it is set, or the timeout > set for the request expires. > > Timeout is specified in the Session request execution functions. > If the timeout is exceeded, an :exc:`cassandra.OperationTimedOut` > will be raised. > This is a client-side timeout. For more information > about server-side coordinator timeouts, see > :class:`.policies.RetryPolicy`. > > Example usage:: > > >>> future = session.execute_async("SELECT * FROM mycf") > >>> # do other stuff... > > >>> try: > ... rows = future.result() > ... for row in rows: > ... ... # process results > ... except Exception: > ... log.exception("Operation failed:") > > """ > self._event.wait() > if self._final_result is not _NOT_SET: > return ResultSet(self, self._final_result) > else: > > raise self._final_exception > E cassandra.Unavailable: Error from server: code=1000 [Unavailable > exception] message="Cannot achieve consistency level SERIAL" > info={'consistency': 'SERIAL', 'required_replicas': 1, 'alive_replicas': 0} > ../venv/src/cassandra-driver/cassandra/cluster.py:4894: Unavailable > {noformat} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org