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https://issues.apache.org/jira/browse/FLINK-21210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17275812#comment-17275812
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Nicholas Jiang commented on FLINK-21210:
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[~chesnay], I have pushed a pull request for this simple issue. Could you
please assgin this ticket to me? And If you are available, please help to
review this pull request, thanks.
> ApplicationClusterEntryPoints should explicitly close PackagedProgram
> ---------------------------------------------------------------------
>
> Key: FLINK-21210
> URL: https://issues.apache.org/jira/browse/FLINK-21210
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Reporter: Chesnay Schepler
> Priority: Major
> Labels: pull-request-available, starter
> Fix For: 1.11.4, 1.12.2, 1.13.0
>
>
> FLINK-21164 introduced {{PackagedProgram#close}} to clean up temporary jars,
> and with FLINK-9844 the contained classloader will also be closed beforehand.
> This allows these files to be cleaned up properly.
> To make it obvious that this also happens in the application cluster
> entrypoints (and to reduce the chances of this potentially leaking code being
> copied elsewhere) we should adjust the entrypoints to explicitly close the
> \{{PackagedProgram}}.
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