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https://issues.apache.org/jira/browse/HADOOP-20009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18124840#comment-18124840
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ASF GitHub Bot commented on HADOOP-20009:
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slfan1989 merged PR #8797:
URL: https://github.com/apache/hadoop/pull/8797
> Ensure token manager cleanup in testNodesLoadedAfterRestart
> -----------------------------------------------------------
>
> Key: HADOOP-20009
> URL: https://issues.apache.org/jira/browse/HADOOP-20009
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 3.5.1, 3.6.0
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Major
> Labels: pull-request-available
>
> TestZKDelegationTokenSecretManager.testNodesLoadedAfterRestart() destroys the
> original DelegationTokenManager before creating a replacement,
> but does not destroy the replacement when the test finishes. Cleanup is also
> not guaranteed if initialization or an assertion fails.
> The teardown then closes ZooKeeper while the ExpiredTokenRemover thread may
> still be running.
> The thread can encounter ConnectionLossException while updating the shared
> key ID counter and call Runtime.exit(-1),
> terminating the Surefire JVM with exit code 255.
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