+
+ if(!errorMsg.isEmpty()){
+
+ PrintWriter out = response.getWriter();
+
+ response.setCharacterEncoding("UTF-8");
+ response.setContentType("application / json");
+ request.setCharacterEncoding("UTF-8");
+
+ JSONObject j = new JSONObject();
+ j.put("errorMsg", errorMsg);
+ out.write(j.toString());
+ return;
+ }
+