Make sure that you have in client's classpath all needed libs (jbossall-client.jar, ejb3 libs ) and others View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4011441#4011441 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4011441