The client is a plain java class. It has to lookup the remote EJB. The exception is thrown at the time of lookup. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203889#4203889 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4203889