You have installed jboss ide 1.6 into eclipse 3.2. They are not compatible. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4047277#4047277 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4047277