Looks like your client does not have access to the interface that defines the EJB. You need to provide that in you classpath. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4034105#4034105 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4034105