ArgumentException thrown during query compilation in multithreaded application
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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
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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