Chesnay Schepler created FLINK-21210:
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Summary: 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
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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