Oh, I'm wrong, #{messages['booking.credit.card.not.null']} does work after all.
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3971660#3971660
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3971660