0 Replies Latest reply on Aug 22, 2007 4:29 AM by jing jing

    a4j:commandButton not executing A4J.AJAX.onError()

    jing jing Newbie

      my pages has a a4j:commandButton,when the action method execut,it appear excetion,this page will show
      Request error,status:500 Internal Server Error
      Message:undefined

      i want to deal it ,so in my page, use A4J.AJAX.onError()

      A4J.AJAX.onError = function(req,status,message) {
      alert('error');
      };

      A4J.AJAX.onExpired = function(loc,expiredMsg){
      alert('error2');
      } ;


      but it not execut, still show
      Request error,status:500 Internal Server Error
      Message:undefined


      why? who can tell me ??

      thanks very much!!