The correct jars needed on the JBM client side classpath are detailed in the JBM user guide. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4179231#4179231 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4179231