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https://issues.apache.org/jira/browse/CASSANDRA-17302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17922059#comment-17922059
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Dmitry Konstantinov commented on CASSANDRA-17302:
-------------------------------------------------
A recent reproduction:
https://ci-cassandra.apache.org/view/patches/job/Cassandra-devbranch-5/137/testReport/junit/dtest.topology_test/TestTopology/Tests___dtest_jdk11_8_64___test_decommissioned_node_cant_rejoin/
error message: ccmlib.node.TimeoutError: timed out and did not find log entry:
This node was decommissioned and will not rejoin the ring
> Test Failure:
> dtest-offheap.topology_test.TestTopology.test_decommissioned_node_cant_rejoin
> -------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17302
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17302
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Josh McKenzie
> Assignee: Brandon Williams
> Priority: Normal
> Fix For: 3.0.30, 3.11.16, 4.0.10, 4.1.2, 5.0-alpha1, 5.0
>
>
> https://ci-cassandra.apache.org/job/Cassandra-4.0/317/testReport/dtest-offheap.topology_test/TestTopology/test_decommissioned_node_cant_rejoin/
> Failed 1 times in the last 20 runs. Flakiness: 5%, Stability: 95%
> Error Message
> AssertionError: assert None + where None = <function search at
> 0x7f0de9492c10>('This node was decommissioned and will not rejoin the ring',
> '', re.MULTILINE) + where <function search at 0x7f0de9492c10> = re.search
> + and '' = <built-in method join of str object at 0x7f0de963b4b0>([])
> + where <built-in method join of str object at 0x7f0de963b4b0> =
> '\n'.join + and re.MULTILINE = re.MULTILINE
> {code}
> Stacktrace
> self = <topology_test.TestTopology object at 0x7f0de5899430>
> @since('3.0')
> def test_decommissioned_node_cant_rejoin(self):
> """
> @jira_ticket CASSANDRA-8801
>
> Test that a decommissioned node can't rejoin the cluster by:
>
> - creating a cluster,
> - decommissioning a node, and
> - asserting that the "decommissioned node won't rejoin" error is
> in the
> logs for that node and
> - asserting that the node is not running.
> """
> rejoin_err = 'This node was decommissioned and will not rejoin the
> ring'
> self.fixture_dtest_setup.ignore_log_patterns =
> list(self.fixture_dtest_setup.ignore_log_patterns) + [
> rejoin_err]
>
> self.cluster.populate(3).start()
> node1, node2, node3 = self.cluster.nodelist()
>
> logger.debug('decommissioning...')
> node3.decommission(force=self.cluster.version() >= '4.0')
> logger.debug('stopping...')
> node3.stop()
> logger.debug('attempting restart...')
> node3.start(wait_other_notice=False)
> try:
> # usually takes 3 seconds, so give it a generous 15
> node3.watch_log_for(rejoin_err, timeout=15)
> except TimeoutError:
> # TimeoutError is not very helpful to the reader of the test
> output;
> # let that pass and move on to string assertion below
> pass
>
> > assert re.search(rejoin_err,
> '\n'.join(['\n'.join(err_list) for err_list in
> node3.grep_log_for_errors()]), re.MULTILINE)
> E AssertionError: assert None
> E + where None = <function search at 0x7f0de9492c10>('This node was
> decommissioned and will not rejoin the ring', '', re.MULTILINE)
> E + where <function search at 0x7f0de9492c10> = re.search
> E + and '' = <built-in method join of str object at
> 0x7f0de963b4b0>([])
> E + where <built-in method join of str object at 0x7f0de963b4b0>
> = '\n'.join
> E + and re.MULTILINE = re.MULTILINE
> topology_test.py:416: AssertionError
> {code}
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