Wow this is interesting. So eventhough I use JDK 1.5 to run the WAS 5, I still won't be able to run Seam apps? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088357#4088357 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4088357