This is because previous versions of AS used different versions of jars which meant people had either to do scoped deployments or do nasty hacks liking copying over newer versions of jars into AS. This caused untold headache for users and support, and lead to various compatibility issues with web services and EJB3. These should be a thing of the past in the next release. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4049861#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...