grdzeli_kaci, Thanks very much~ Are you sure oracleManager worked in start() method? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4262607#4262607 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4262607