[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2937) NullPointException during flush if getSnapshot return null

[Thomas Hallgren (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=31747#action_31747 ] 

Thomas Hallgren commented on HHH-2937:
--------------------------------------

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
> ----------------------------------------------------------
>
>                 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;

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira