So after I copied the persistence.xml from exploded to the correct directory: org.hibernate.console.HibernateConsoleRuntimeException: Could not load JPA Configuration | Could not load JPA Configuration | org.hibernate.console.HibernateConsoleRuntimeException: Could not create JPA based Configuration | Could not create JPA based Configuration | org.hibernate.console.HibernateConsoleRuntimeException: Could not create JPA based Configuration | Could not create JPA based Configuration | org.hibernate.console.HibernateConsoleRuntimeException: Persistence unit not found: 'null'. | Persistence unit not found: 'null'. | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4216644#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...