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Bug 320734 - java.lang.NullPointerException in the PersistenceObjectAttributeAccessor.java:30
Summary: java.lang.NullPointerException in the PersistenceObjectAttributeAccessor.java:30
Status: CLOSED INVALID
Alias: None
Product: z_Archived
Classification: Eclipse Foundation
Component: Eclipselink (show other bugs)
Version: unspecified   Edit
Hardware: PC Linux
: P3 normal (vote)
Target Milestone: ---   Edit
Assignee: Project Inbox CLA
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Reported: 2010-07-23 11:08 EDT by Vitalii CLA
Modified: 2022-06-09 10:06 EDT (History)
1 user (show)

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Description Vitalii CLA 2010-07-23 11:08:15 EDT 
Build Identifier: eclipselink-2-0-2

Caused by: java.lang.NullPointerException
	at org.eclipse.persistence.internal.descriptors.PersistenceObjectAttributeAccessor.getAttributeValueFromObject(PersistenceObjectAttributeAccessor.java:30)
	at org.eclipse.persistence.mappings.DatabaseMapping.getAttributeValueFromObject(DatabaseMapping.java:480)
	at org.eclipse.persistence.mappings.foundation.AbstractDirectMapping.valueFromObject(AbstractDirectMapping.java:1217)
	at org.eclipse.persistence.internal.descriptors.ObjectBuilder.extractValueFromObjectForField(ObjectBuilder.java:1980)
	at org.eclipse.persistence.mappings.RelationTableMechanism.addRelationTableTargetRow(RelationTableMechanism.java:982)
	at org.eclipse.persistence.mappings.ManyToManyMapping.insertIntoRelationTable(ManyToManyMapping.java:648)
	at org.eclipse.persistence.mappings.ManyToManyMapping.performDataModificationEvent(ManyToManyMapping.java:810)
	at org.eclipse.persistence.internal.sessions.CommitManager.commitAllObjectsWithChangeSet(CommitManager.java:130)
	at org.eclipse.persistence.internal.sessions.AbstractSession.writeAllObjectsWithChangeSet(AbstractSession.java:3260)
	at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:1413)
	at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:547)
	at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithPreBuiltChangeSet(UnitOfWorkImpl.java:1559)
	at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.writeChanges(RepeatableWriteUnitOfWork.java:360)
	at org.eclipse.persistence.internal.jpa.EntityManagerImpl.flush(EntityManagerImpl.java:696)
	at org.eclipse.persistence.internal.jpa.EJBQueryImpl.performPreQueryFlush(EJBQueryImpl.java:1194)
	at org.eclipse.persistence.internal.jpa.EJBQueryImpl.executeReadQuery(EJBQueryImpl.java:404)
	at org.eclipse.persistence.internal.jpa.EJBQueryImpl.getResultList(EJBQueryImpl.java:681)

Reproducible: Always
Comment 1 Tom Ware CLA 2010-08-05 13:42:35 EDT 
How can this problem be reproduced?  Closing as INVALID.  Please reopen when you have provided recreation steps.
Comment 2 Eclipse Webmaster CLA 2022-06-09 10:06:10 EDT 
The Eclipselink project has moved to Github: https://github.com/eclipse-ee4j/eclipselink