I think you have to implement that for your own. http://www.hibernate.org/hib_docs/validator/reference/en/html/ View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4047118#4047118 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4047118