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https://issues.apache.org/jira/browse/OPENJPA-810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeremy Bauer updated OPENJPA-810:
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Attachment: OPENJPA-810_trace.zip
Attaching surefire reports which include trace.
> ArgumentException thrown during query compilation in multithreaded application
> ------------------------------------------------------------------------------
>
> Key: OPENJPA-810
> URL: https://issues.apache.org/jira/browse/OPENJPA-810
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.2.0
> Reporter: Jeremy Bauer
> Attachments: OPENJPA-810_trace.zip
>
>
> This problem was reported on the user mailing list by several users. It
> appeared to be an enhancement related problem similar to OPENJPA-234, but I
> was able to reproduce the problem (using a test app provided by Yann [1] via
> direct email) with classes that were enhanced with the PCEnhancer. Based on
> the trace, it appears that the metadata repository is being accessed
> concurrently by multiple threads and some persistent classes are not yet
> loaded while threads attempt to access them. The problem occurs more
> frequently when a) the persistent class list is large and b) trace is enabled.
> [1]
> http://n2.nabble.com/ArgumentException-%28Incomplete-initialisation-of-EntityManager%29-tc1577196.html#none
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