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https://issues.apache.org/jira/browse/OPENJPA-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fernando updated OPENJPA-825:
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Attachment: hang-multithread-2.jstack
another jstack of openjpa slices hanging: within the StateManager...
1) I have applied the patch from OPENJPA-826, that removes the first hang spot
in QueryImpl.isUnique
(this was the hang shown in the first stack trace I attached)
2) I have disabled the current work around to this bug applied by Pinaki
(the work around currently turns off ParallelExecutor when
Multithreaded=true)
(I have disabled the work around to test a parallel execution, to find and
fix hangs)
> slices: hangs with multithreaded true
> -------------------------------------
>
> Key: OPENJPA-825
> URL: https://issues.apache.org/jira/browse/OPENJPA-825
> Project: OpenJPA
> Issue Type: Bug
> Components: kernel
> Affects Versions: 2.0.0
> Reporter: Fernando
> Assignee: Pinaki Poddar
> Priority: Critical
> Attachments: hang-multithread-2.jstack, hang-multithread.jstack,
> hang-multithread.txt
>
>
> When I turned on openjpa.Multithreaded as a possible fix for another bug, I
> see that the system hangs. Attached are going to be a log file, and jstack,
> showing how it system hung on the very first query. ( it did execute a few
> find() operations, but those are not executed via ParallelExecutor ).
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