@HystrixCommand
 @RequestMapping("/javainfo")
 public String getJavaInfo(Model model, HttpSession session)
     throws JsonParseException, JsonMappingException, IOException {
   if (session.getAttribute("username") == null) {
     return utils.returnLogin();
   }
   model.addAttribute("vcap_app", utils.getVCAP());
   return "onlinestore/javainfo";
 }