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https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Curtis updated OPENJPA-1631:
---------------------------------
Fix Version/s: 2.1.0
> MetaDataRepository preload doesn't load JAXB meta data
> ------------------------------------------------------
>
> Key: OPENJPA-1631
> URL: https://issues.apache.org/jira/browse/OPENJPA-1631
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.2.2, 2.0.0-beta3
> Reporter: Rick Curtis
> Assignee: Rick Curtis
> Fix For: 2.1.0
>
> Attachments: OPENJPA-1631.patch
>
>
> The MetaDataRepository preloading doesn't process JAXB xml meta data on EMF
> creation, resulting in a condition where multiple threads can trample on each
> other. AnnotationPersistenceXMLMetaDataParser.parse(..) isn't thread-safe and
> relied on the MetaDataRepository to enforce synchronization. After preloading
> is complete, all locks are removed from the MetaDataRepository and in turn
> AnnotationPersistenceXMLMetaDataParser can have some threading problems.
> Caused by: java.lang.NullPointerException
> at
> org.apache.openjpa.lib.util.J2DoPrivHelper$56.run(J2DoPrivHelper.java:1163)
> at
> org.apache.openjpa.lib.util.J2DoPrivHelper$56.run(J2DoPrivHelper.java:1161)
> at
> java.security.AccessController.doPrivileged(AccessController.java:202)
> at
> org.apache.openjpa.persistence.AnnotationPersistenceXMLMetaDataParser.parseXMLClassAnnotations(AnnotationPersistenceXMLMetaDataParser.java:175)
> at
> org.apache.openjpa.persistence.AnnotationPersistenceXMLMetaDataParser.parse(AnnotationPersistenceXMLMetaDataParser.java:163)
> at
> org.apache.openjpa.persistence.PersistenceMetaDataFactory.loadXMLMetaData(PersistenceMetaDataFactory.java:579)
> at
> org.apache.openjpa.meta.MetaDataRepository.getXMLMetaDataInternal(MetaDataRepository.java:2376)
> at
> org.apache.openjpa.meta.MetaDataRepository.getXMLMetaData(MetaDataRepository.java:2364)
> at
> org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.traversePath(AbstractExpressionBuilder.java:315)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getPath(JPQLExpressionBuilder.java:1941)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getPathOrConstant(JPQLExpressionBuilder.java:1861)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.eval(JPQLExpressionBuilder.java:1169)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getValue(JPQLExpressionBuilder.java:2054)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getValue(JPQLExpressionBuilder.java:2040)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.eval(JPQLExpressionBuilder.java:1055)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getExpression(JPQLExpressionBuilder.java:1970)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.eval(JPQLExpressionBuilder.java:997)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.evalWhereClause(JPQLExpressionBuilder.java:668)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder.getQueryExpressions(JPQLExpressionBuilder.java:297)
> at org.apache.openjpa.kernel.jpql.JPQLParser.eval(JPQLParser.java:67)
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