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http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=c...
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Thomas Hallgren commented on HHH-2937:
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I just got a NullPointerException in that method. I'm not sure what's causing it.
The same named query has been issued several times before this happens. I'm using
JBoss 4.2.3.
Caused by: java.lang.NullPointerException
at org.hibernate.collection.PersistentBag.equalsSnapshot(PersistentBag.java:80)
at org.hibernate.engine.CollectionEntry.dirty(CollectionEntry.java:149)
at org.hibernate.engine.CollectionEntry.preFlush(CollectionEntry.java:174)
at
org.hibernate.event.def.AbstractFlushingEventListener.prepareCollectionFlushes(AbstractFlushingEventListener.java:160)
at
org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:69)
at
org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:80)
NullPointException during flush if getSnapshot return null
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Key: HHH-2937
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.2.2
Environment: Windows
Reporter: Emilio Dolce
The method equalsSnapshot of the PersistentBag class do not check if returned snapshot is
null causing a NullPointException.
Please che the next condition with this:
if ( sn == null || sn.size()!=bag.size() ) return false;
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