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https://issues.apache.org/jira/browse/BEAM-6460?focusedWorklogId=186785&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-186785
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ASF GitHub Bot logged work on BEAM-6460:
----------------------------------------
Author: ASF GitHub Bot
Created on: 18/Jan/19 08:37
Start Date: 18/Jan/19 08:37
Worklog Time Spent: 10m
Work Description: djhworld commented on issue #7552: [BEAM-6460] Remove
cached class references upon start/shutdown
URL: https://github.com/apache/beam/pull/7552#issuecomment-455467775
Thanks @mxm as per my message on the mailing list, this is related to this
comment
https://github.com/FasterXML/jackson-databind/issues/1363#issuecomment-247238984
It looks like Jackson might change its behaviour in the future around this
https://github.com/FasterXML/jackson-databind/issues/1373 so worth keeping in
mind.
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Issue Time Tracking
-------------------
Worklog Id: (was: 186785)
Time Spent: 50m (was: 40m)
> 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
> Priority: Blocker
> Fix For: 2.10.0
>
> Time Spent: 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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