thaks for you help, but if the 3.1 doesn't support tag libs how work the ProcessImageTag?, that is tag lib too. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4025412#4025412 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4025412