Hi, I don't have any solution to this But I myself have a related problem . My server console shows NOTYETINSTALLED jboss.jca:name=jdbc/DBConnection1DS,service=DataSourceBinding. I have used jndi- name=DBConnection1DS in oracle-ds.xml and the jta-datasource-name=jdbc/DBConnection1DS in the EJB's persistence.xml. please help me deploying this EJB... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4096932#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...