I think up to 2.6 GA, it worked with both jdk versions. When did it change? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4074881#4074881 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4074881