throws Exception {
ActionForward actionForward = null;
HttpSession session = request.getSession(false);
if (session == null
|| session.getAttribute(ConsoleCst.NODE_LIST) == null) {
throw new SessionExpiredException("session has expired");
}
String actionMethod = request.getParameter(mapping.getParameter());
actionForward = dispatchMethod(mapping, form, request, response,
actionMethod);
return actionForward;