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Posted to issues@beam.apache.org by "Maximilian Michels (JIRA)" <ji...@apache.org> on 2019/01/17 20:15:00 UTC

[jira] [Created] (BEAM-6460) PipelineOptionsFactory may hold on to Classloader after pipeline restart

Maximilian Michels created BEAM-6460:
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             Summary: PipelineOptionsFactory may hold on to Classloader after pipeline restart
                 Key: BEAM-6460
                 URL: https://issues.apache.org/jira/browse/BEAM-6460
             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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