Yes. If you are using WSRP, then you need to download java 6 compatible binary of JBoss AS. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203038#4203038 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4203038