Yes, to build JBossWS 2.0.1 you need JDK 1.5, 1.6 or above Richard View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4087317#4087317 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4087317