The above hot deployment problem occurs only in Glassfish v2ur1, in Tomcat 6.0.14, it is ok! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116587#4116587 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4116587