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Posted to dev@openjpa.apache.org by "Rick Curtis (JIRA)" <ji...@apache.org> on 2010/04/13 21:48:53 UTC
[jira] Created: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
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: 2.0.0-beta3, 1.2.2
Reporter: Rick Curtis
Assignee: Rick Curtis
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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[jira] Updated: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Rick Curtis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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[jira] Resolved: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Rick Curtis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Curtis resolved OPENJPA-1631.
----------------------------------
Resolution: Fixed
Committed revision 934480 to 2.0.x.
> 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: 2.0.0, 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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[jira] Updated: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Donald Woods (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Donald Woods updated OPENJPA-1631:
----------------------------------
Fix Version/s: (was: 2.1.0)
Don't need Fix Version of 2.1.0 since 2.0.0 hasn't been released yet....
> 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: 2.0.0
>
> 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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[jira] Commented: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Rick Curtis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857016#action_12857016 ]
Rick Curtis commented on OPENJPA-1631:
--------------------------------------
Committed revision 934100 to trunk.
> 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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[jira] Commented: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Catalina Wei (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856707#action_12856707 ]
Catalina Wei commented on OPENJPA-1631:
---------------------------------------
The patch looks good.
> 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
> 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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[jira] Updated: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Rick Curtis (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Curtis updated OPENJPA-1631:
---------------------------------
Attachment: OPENJPA-1631.patch
Add synchronization to AnnotationPersistenceXMLMetaDataParser.parse() method to make it thread safe.
> 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
> 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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[jira] Updated: (OPENJPA-1631) MetaDataRepository preload doesn't
load JAXB meta data
Posted by "Kevin Sutter (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kevin Sutter updated OPENJPA-1631:
----------------------------------
Fix Version/s: 2.0.0
> 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: 2.0.0, 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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