Leaving it out is an option, but imo if yes is an accepted value, no should be as well. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059191#4059191 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4059191