Thanks you guys all, I'm using AS5.1.0 "grdzeli_kaci" wrote : sorry i missed EntityManager declaration into implementation. | | | @PersistenceContext(unitName = "CustomerCareOracle") | | private EntityManager oracleManager; | | This code work for me, but try to invoke some method to oracleManager, exception with raise out. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4262579#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...