[hibernate-issues] [Hibernate-JIRA] Created: (HHH-6960) NullPointerException in PreCollectionRemove Listener

[Kevin Jordan (JIRA)]

NullPointerException in PreCollectionRemove Listener
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                 Key: HHH-6960
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6960
             Project: Hibernate Core
          Issue Type: Bug
          Components: envers
    Affects Versions: 4.0.0.Final
         Environment: Hibernate 4.0.0 to MySQL
            Reporter: Kevin Jordan


I'm getting a NullPointerException on line 47 of EnversPreCollectionRemoveEventListenerImpl very consistently. I wasn't sure if it was due to lazy collections or not, but it seems that it fails if they're eagerly fetched or lazily fetched. I'm guessing it has something to do with getLoadedPersister() returning a null value since the comments for it say "This is only available late during the flush cycle". The stack trace is
Quote:
java.lang.NullPointerException
at org.hibernate.envers.event.EnversPreCollectionRemoveEventListenerImpl.onPreRemoveCollection(EnversPreCollectionRemoveEventListenerImpl.java:47)
at org.hibernate.action.internal.CollectionRemoveAction.preRemove(CollectionRemoveAction.java:143)
at org.hibernate.action.internal.CollectionRemoveAction.execute(CollectionRemoveAction.java:104)
at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:273)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:265)
at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:188)
at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:323)
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:52)
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1081)
at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:315)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.beforeTransactionCommit(JdbcTransaction.java:101)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:175)
at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:73)
... 120 more

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