also try this in components.xml <persistence:managed-persistence-context name="entityManager" | auto-create="true" | entity-manager-factory="#{myEntityManagerFactory}"/> | | <persistence:entity-manager-factory name="myEntityManagerFactory" | persistence-unit-name="testDb"/> | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4119420#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...