[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-3705) NPE encountered on using AnnotationConfiguration

[Adam Warski (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adam Warski resolved HHH-3705.
------------------------------

         Assignee: Adam Warski
       Resolution: Duplicate
    Fix Version/s: 3.5

This is fixed by one of the patches applied to trunk.

> NPE encountered on using AnnotationConfiguration
> ------------------------------------------------
>
>                 Key: HHH-3705
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3705
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: envers
>    Affects Versions: 3.3.1
>            Reporter: Kaizer
>            Assignee: Adam Warski
>             Fix For: 3.5
>
>         Attachments: Hibernate_AnnotationTest.zip
>
>
> I have a bidirectional association between a Client and a ClientAddress. When I load a Client, the reference of Client set in the ClientAddress is Client_$$_javassist_0 which I think is the proxy. Now when I update or delete the client, I get a NPE - 
> Exception in thread "main" java.lang.NullPointerException 
> at org.hibernate.envers.event.AuditEventListener.generateBidirectionalCollectionChangeWorkUnits(AuditEventListener.java:107) 
> at org.hibernate.envers.event.AuditEventListener.onPostDelete(AuditEventListener.java:153) 
> at org.hibernate.action.EntityDeleteAction.postDelete(EntityDeleteAction.java:150) 
> at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:117) 
> at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279) 
> at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263) 
> at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:172) 
> at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) 
> at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) 
> at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027) 
> This is because the entry in the EntitiesConfigurations Map is of Client and not Client_$$_javassist_0. 
> This works perfectly fine on moving to JPA (EntityManager, etc).
> I have attached a test case for the same. The DB settings will need to be changed. The above exception is encountered on running the deleteClient method in HibernateAnnotationTest.java. 

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