Thank your reply. To base on your knowledge , what is main difference between JBoss Developer Studio 2.1 Portfolio Edition and using eclipse to update Jboss tool ? Which one is the better ? which one are you satisfied ? i am ask you that question because i embarrassed determine whether i use eclipse updating Jboss tool or JBoss Developer Studio 2.1 Portfolio Edition thank in advance. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4258691#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...