@RequestMapping(value = "/change/email", method = RequestMethod.POST) // add post when deployed public String changeEmail( HttpSession session, @RequestParam(value = "email") String email, ModelMap model) throws JSONException { String type = (String) session.getAttribute("type"); if (type != null) { int id = (Integer) session.getAttribute("id"); if (!userService.updateEmail(id, email, type)) { model.addAttribute("err", "Email already used"); } ; } return "redirect:/dash"; }