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https://issues.apache.org/jira/browse/HADOOP-20009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan resolved HADOOP-20009.
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Fix Version/s: 3.5.1
3.6.0
Hadoop Flags: Reviewed
Resolution: Fixed
> 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
> Fix For: 3.5.1, 3.6.0
>
>
> 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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