I find the problem. Wrong but can work in JBOSS( not in Weblogic): @Stateless public class A implements ASvr, ALocal{} @Remote public interface ASvr{} @Local public interface ALocal{} Correct: @Stateless @Remote(ASvr.class) @Local(ALocal.class) public class A implements ASvr, ALocal{} public interface ASvr{} public interface ALocal{} View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4035864#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...