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java.lang.NullPointerException: 	at oracle.toplink.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:790)	at oracle.toplink.PersistenceProvider.createContainerEntityManagerFactory(PersistenceProvider.java:146)	at oracle.oc4j.persistence.PersistenceUnitManagerImpl.createContainerEntityManagerFactory(PersistenceUnitManagerImpl.java:173)