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https://issues.apache.org/jira/browse/HDFS-4748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-4748:
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Status: Patch Available (was: Open)
> MiniJournalCluster#restartJournalNode leaks resources, which causes sporadic
> test failures
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-4748
> URL: https://issues.apache.org/jira/browse/HDFS-4748
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: qjm, test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 3.0.0
>
> Attachments: HDFS-4748.1.patch
>
>
> {{MiniJournalCluster#restartJournalNode}} stops a {{JournalNode}} and then
> recreates a new one with the same configuration. However, it does not
> maintain a reference to the new {{JournalNode}} instance, so therefore it
> doesn't get stopped inside {{MiniJournalCluster#shutdown}}. The
> {{JournalNode}} holds a file lock on its underlying storage, so this can
> cause sporadic failures in tests like {{TestQuorumJournalManager}}.
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