Try putting <JBOSS_HOME>\client\jboss-common-client.jar in your classpath. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4072289#4072289 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4072289