[jboss-user] [EJB 3.0] - Mysterious Exception

[QPool.Char]

Hello, searched for information but did not success...

When i deploy my EJB3 application, JBoss 4.0.5 GA + RC9 patch says:

anonymous wrote : 11:58:37,109 WARN  [Ejb3Configuration] Persistence provider caller does not implements the EJB3 spec correctly
  | . PersistenceUnitInfo.getNewTempClassLoader() is null.
  | 11:58:37,140 WARN  [ServiceController] Problem starting service persistence.units:ear=Ejb3Test.ear,unitName=Ej
  | b3PU
  | javax.persistence.PersistenceException: [PersistenceUnit: Ejb3PU] class or package not found
  |         at org.hibernate.ejb.Ejb3Configuration.addNamedAnnotatedClasses(Ejb3Configuration.java:1067)

and later 
anonymous wrote : 
  | --- MBeans waiting for other MBeans ---
  | ObjectName: persistence.units:ear=Ejb3Test.ear,unitName=Ejb3PU
  |   State: FAILED
  |   Reason: javax.persistence.PersistenceException: [PersistenceUnit: Ejb3PU] class or package not found
  |   I Depend On:
  |     jboss.jca:service=DataSourceBinding,name=Ejb3DS
  | 
  | --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
  | ObjectName: persistence.units:ear=Ejb3Test.ear,unitName=Ejb3PU
  |   State: FAILED
  |   Reason: javax.persistence.PersistenceException: [PersistenceUnit: Ejb3PU] class or package not found
  |   I Depend On:
  |     jboss.jca:service=DataSourceBinding,name=Ejb3DS
  | 

But the DataSource is ok. And the source code too, as far as i can see. Worked for 2 days now on that problem. Any suggestions please?

Thx very much!!!

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