@Override
 public void commence(
     HttpServletRequest request,
     HttpServletResponse response,
     AuthenticationException authException)
     throws IOException, ServletException {
   super.commence(request, response, authException);
 }
 @Override
 public void commence(
     HttpServletRequest request,
     HttpServletResponse response,
     AuthenticationException authException)
     throws IOException, ServletException {
   if ("XMLHttpRequest".equals(request.getHeader("X-Requested-With"))) {
     // response.sendError(403, "Forbidden");
     response.getWriter().write("Sorry !! User js not Authorized");
   } else {
     super.commence(request, response, authException);
   }
 }