Kenneth Knowles created BEAM-6996:
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Summary: LTS Backport: Jackson Cache may hold on to Classloader
after pipeline restart
Key: BEAM-6996
URL: https://issues.apache.org/jira/browse/BEAM-6996
Project: Beam
Issue Type: Bug
Components: runner-flink
Affects Versions: 2.7.0
Reporter: Maximilian Michels
Assignee: Maximilian Michels
Fix For: 2.10.0
It looks like Jackson has an internal cache which may continue to hold the
Flink application classloader through its {{TypeFactory}} class. When the
pipeline is restarted due to a failure, a new classloader is created which can
result in too many classes being loaded.
Reported on the user mailing list:
https://lists.apache.org/thread.html/e201891684ef3dcffce48d20d1f9be0e19fc2294334362cc7092c0ff@%3Cuser.beam.apache.org%3E
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