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From "Pinaki Poddar (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (OPENJPA-524) NullPointerException when persisting a subclass and @Id field is declared in the abstract superclass.
Date Wed, 18 Jun 2008 19:03:44 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pinaki Poddar reassigned OPENJPA-524:
-------------------------------------

    Assignee: Pinaki Poddar

> NullPointerException when persisting a subclass and @Id field is declared in the abstract
superclass.
> -----------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-524
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-524
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jpa
>    Affects Versions: 1.0.2
>         Environment: Windows XP, JDK 1.5.0_14, Build time enhancement
>            Reporter: Amit Patel
>            Assignee: Pinaki Poddar
>         Attachments: NPE.log, OpenJPATest.zip
>
>
> When persisting a subclass that has a superclass with an @Id annotation in it, OpenJPA
throws the following NullPointerException:
> Exception in thread "main" <openjpa-1.0.2-r420667:627158 fatal user error> org.apache.openjpa.persistence.ArgumentException:
Errors encountered while resolving metadata.  See nested exceptions for details.
>         at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:522)
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:302)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2372)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2225)
>         at org.apache.openjpa.kernel.DelegatingBroker.persist(DelegatingBroker.java:1005)
>         at org.apache.openjpa.persistence.EntityManagerImpl.persist(EntityManagerImpl.java:541)
>         at JpaTest.main(JpaTest.java:37)
> Caused by: <openjpa-1.0.2-r420667:627158 fatal user error> org.apache.openjpa.persistence.ArgumentException:
Attempt to map "Person.id" failed: the owning entity is not mapped.
>         at org.apache.openjpa.jdbc.meta.MappingInfo.assertTable(MappingInfo.java:544)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:496)
>         at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
>         at org.apache.openjpa.jdbc.meta.strats.PrimitiveFieldStrategy.map(PrimitiveFieldStrategy.java:83)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:120)
>         at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:438)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:403)
>         at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:841)
>         at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:322)
>         at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:621)
>         at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:508)
>         ... 6 more
> NestedThrowables:
> java.lang.NullPointerException
>         at org.apache.openjpa.jdbc.meta.MappingInfo.mergeJoinColumn(MappingInfo.java:1386)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createJoins(MappingInfo.java:1192)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createForeignKey(MappingInfo.java:954)
>         at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getTypeJoin(ValueMappingInfo.java:104)
>         at org.apache.openjpa.jdbc.meta.strats.RelationToManyTableFieldStrategy.map(RelationToManyTableFieldStrategy.java:130)
>         at org.apache.openjpa.jdbc.meta.strats.RelationCollectionTableFieldStrategy.map(RelationCollectionTableFieldStrategy.java:94)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:120)
>         at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:438)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:403)
>         at org.apache.openjpa.jdbc.meta.ClassMapping.resolveMapping(ClassMapping.java:812)
>         at org.apache.openjpa.meta.ClassMetaData.resolve(ClassMetaData.java:1618)
>         at org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDataRepository.java:675)
>         at org.apache.openjpa.meta.MetaDataRepository.resolveMapping(MetaDataRepository.java:636)
>         at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:514)
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:302)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2372)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2225)
>         at org.apache.openjpa.kernel.DelegatingBroker.persist(DelegatingBroker.java:1005)
>         at org.apache.openjpa.persistence.EntityManagerImpl.persist(EntityManagerImpl.java:541)
>         at JpaTest.main(JpaTest.java:37)
> <openjpa-1.0.2-r420667:627158 fatal user error> org.apache.openjpa.persistence.ArgumentException:
Attempt to map "Contact.acquireDate" failed: the owning entity is not mapped.
>         at org.apache.openjpa.jdbc.meta.MappingInfo.assertTable(MappingInfo.java:544)
>         at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:496)
>         at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
>         at org.apache.openjpa.jdbc.meta.strats.PrimitiveFieldStrategy.map(PrimitiveFieldStrategy.java:83)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:120)
>         at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:438)
>         at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:403)
>         at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:851)
>         at org.apache.openjpa.jdbc.meta.ClassMapping.resolveMapping(ClassMapping.java:808)
>         at org.apache.openjpa.meta.ClassMetaData.resolve(ClassMetaData.java:1618)
>         at org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDataRepository.java:675)
>         at org.apache.openjpa.meta.MetaDataRepository.resolveMapping(MetaDataRepository.java:636)
>         at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:514)
>         at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:302)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2372)
>         at org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2225)
>         at org.apache.openjpa.kernel.DelegatingBroker.persist(DelegatingBroker.java:1005)
>         at org.apache.openjpa.persistence.EntityManagerImpl.persist(EntityManagerImpl.java:541)
>         at JpaTest.main(JpaTest.java:37)
> The attached test case can recreate this error.

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