Hi! I neet to invoke an EJB3 running on JBoss 4.0.5 GA from a legacy EJB3 client, running on a different JBoss AS version. When I perform the lookup, I get the following error: 16:59:02,228 ERROR [STDERR] javax.naming.CommunicationException [Root exception is java.io.InvalidClassException: org.jboss.ejb3.remoting.IsLocalInterceptor; local class incompatible: stream classdesc serialVersionUID = -3758782076801249473, local class serialVersionUID = 595045557897063404] Is there a way to work around it? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4058849#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...