[Hibernate-issues] [Hibernate-JIRA] Created: (EJB-180) org.hibernate.AssertionFailure: dirty, but no dirty properties

[<no...@at...>]

org.hibernate.AssertionFailure: dirty, but no dirty properties
--------------------------------------------------------------

         Key: EJB-180
         URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB=
-180
     Project: Hibernate Entity Manager
        Type: Bug

 Environment: JBoss 4.0.4CR2
    Reporter: Micha=C5=82 Borowiecki


This exception is raised in the following scenario:
1. An entity is returned from a find operation.
2. It is modified.
3. EntityManager.merge is called on it.
4. In the PreUpdate callback the bean has its fields modified to the values=
 they had before step 2.
5. The DefaultFlushEntityEventListener determines that all the fields have =
their values equal to those in the cache and raises the error:
org.hibernate.AssertionFailure: dirty, but no dirty properties
=09at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdat=
e(DefaultFlushEntityEventListener.java:256)
=09at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity=
(DefaultFlushEntityEventListener.java:121)
=09at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(A=
bstractFlushingEventListener.java:195)
=09at org.hibernate.event.def.AbstractFlushingEventListener.flushEverything=
ToExecutions(AbstractFlushingEventListener.java:76)
=09at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlus=
hEventListener.java:26)
=09at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:988)
=09at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:337)
=09at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(Abstra=
ctEntityManagerImpl.java:473)

This bug is probably a reincarnation of EJB-29, however that report did not=
 have a comprehensive description so I decided to create a new one.

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