Can you ensure that the tools.jar for jdk 1.5 or higher is available in the classpath? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4051857#4051857 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4051857