| NPE during commit [message #898751] |
Fri, 27 July 2012 12:53  |
 Rodion Missing name
Messages: 8
Registered: September 2009 |
Junior Member |
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In continuation of this topic
Short description on problem I'm facing with. If you object graph contains two possible pathes to same newly created object (from one root object) - eclipse link will try to insert this object twice but will fail because one internal clone of this object do not have primary key properly set (other will).
It appears that weaving was disabled by accident in previos situation. When I have enabled weaving I starting to get different exception:
Caused by: java.lang.NullPointerException
at java.util.TreeMap.compare(TreeMap.java:1188)
at java.util.TreeMap.put(TreeMap.java:531)
at org.eclipse.persistence.internal.sessions.CommitManager.sort(CommitManager.java:351)
at org.eclipse.persistence.internal.sessions.CommitManager.deleteAllObjects(CommitManager.java:312)
at org.eclipse.persistence.internal.sessions.CommitManager.deleteAllObjects(CommitManager.java:283)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:1418)
at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:636)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1505)
at org.eclipse.persistence.internal.sessions.UnitOfWorkImpl.issueSQLbeforeCompletion(UnitOfWorkImpl.java:3143)
at org.eclipse.persistence.internal.sessions.RepeatableWriteUnitOfWork.issueSQLbeforeCompletion(RepeatableWriteUnitOfWork.java:346)
at org.eclipse.persistence.transaction.AbstractSynchronizationListener.beforeCompletion(AbstractSynchronizationListener.java:157)
at org.eclipse.persistence.transaction.JTASynchronizationListener.beforeCompletion(JTASynchronizationListener.java:68)
at com.sun.enterprise.transaction.JavaEETransactionImpl.commit(JavaEETransactionImpl.java:435)
... 53 more
This happens because eclipse link try to delete "old" object which has null primary key, and before deletion eclipselink try to sort on deletedObjects collection by primary key using TreeMap that do not expect nulls as keys.
This is definetely looks like bug to me.
[Updated on: Fri, 27 July 2012 12:54] Report message to a moderator |
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