@In(value="...", required=false) - value is the "defualt" attribute for an annotation View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4094259#4094259 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4094259