You need the getopt.jar in the classpath. If you are using Jboss 4.2 then that file is in the client directory under jboss home. -Rahul View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4055356#4055356 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4055356