getSupprimer should have no parameter. You can get the request from FacesContext.getExternalContext.getRequest(); View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3978568#3978568 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3978568