You can find the org.jboss.ejb3.annotation in jboss-ejb3-ext-api.jar View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4196566#4196566 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4196566