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Posted to issues@beam.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/01/22 00:04:00 UTC
[jira] [Work logged] (BEAM-6460) Jackson Cache may hold on to
Classloader after pipeline restart
[ https://issues.apache.org/jira/browse/BEAM-6460?focusedWorklogId=187931&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-187931 ]
ASF GitHub Bot logged work on BEAM-6460:
----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Jan/19 00:03
Start Date: 22/Jan/19 00:03
Worklog Time Spent: 10m
Work Description: mxm commented on issue #7552: [BEAM-6460] Remove cached class references upon start/shutdown
URL: https://github.com/apache/beam/pull/7552#issuecomment-456228594
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Issue Time Tracking
-------------------
Worklog Id: (was: 187931)
Time Spent: 1h 50m (was: 1h 40m)
> Jackson Cache 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
> Priority: Blocker
> Fix For: 2.10.0
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> 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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