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https://issues.apache.org/jira/browse/HADOOP-16374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16865395#comment-16865395
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Prabhu Joseph commented on HADOOP-16374:
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Okay then both cleanup are required and also the second cleanup call will
return immediately as metaFolder will be set to null by earlier cleanup. Will
close this as Not a Problem, was assuming wrongly that CLEANUP ShutDown Hook
will be called in all scenarios.
> Fix DistCp#cleanup called twice unnecessarily
> ---------------------------------------------
>
> Key: HADOOP-16374
> URL: https://issues.apache.org/jira/browse/HADOOP-16374
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 3.3.0
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Minor
> Attachments: HADOOP-16374-001.patch
>
>
> DistCp#cleanup called twice unnecessarily - one at finally clause inside
> createAndSubmitJob and another by Cleanup thread invoked by ShutDownHook.
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