Persistent.xml is not fully copied. Please find below the complete lines. <persistence-unit name="userDatabase" transaction-type="RESOURCE_LOCAL"> org.apache.openjpa.persistence.PersistenceProviderImpl <exclude-unlisted-classes>false</exclude-unlisted-classes> </persistence-unit> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4086462#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...