oh yes, I use JDK6. and after I change java_home to JDK5, jboss works. Thank you very much! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4045316#4045316 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4045316