Thanx peter for replying.I m using jbossws 1.2.1 which comes with jboss 4.2.1 GA.The jdk i used was 1.6 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4142250#4142250 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4142250