Reason: java.lang.RuntimeException: java.lang.AbstractMethodError: org.hibernate.ejb.HibernatePers istence.createContainerEntityManagerFactory(Ljavax/persistence/spi/PersistenceUnitInfo;Ljava/util/Ma p;)Ljavax/persistence/EntityManagerFactory; I am created persistence.xml for ejb3.0 in META-INF/persistene.xml , In the sessionBean i callled the persistenceunit is that is in the persistene.xml , I am unable to proceed for this , it will take very much time to solve this, please help on this View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3991251#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...