Hello! In a day, I asked a question...I have a question about json paser

10-1809:01:31.218 15389-15897/com.oh_biz.oh_works W/System.err: at com.oh_biz.oh_works.View.Tab1$AsyncHttpask.parseResult(Tab1.java:215)
10-18 09:01:31.218 15389-15897/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab1$AsyncHttpTask.doInBackground(Tab1.java:145)
10-18 09:01:31.218 15389-15897/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab1$AsyncHttpTask.doInBackground(Tab1.java:109)
10-18 09:01:31.228 15389-15898/com.oh_biz.oh_works D/Tab2: Tab2[{"id":"1610/17031057", "date":"16/10/12", "model":"SX730C-CT", "modet"", "models"", "t:"Tab2":"{"id":":":":"10"10"10"10"10"10"10"10"10"tb"10"10"10"tb"tb"tb"tb"tb":/13", "model":"SMT-C5010", "model_class":"STB", "qty":"5"",s_team":"IO-Team"",s_tel":"Lee Dong-gyu"center":"Anyang"",status1":"10"16"/14",status:"10"16"d2"14",Status:"10"10"10"16"16"16"d2"16"16"16"16"16"16"16"16"/14"16"16"16"16"16"16"16"16"16"1":"Awaiting Approval"", status2":"5"",sum_stb":"45"",{"id":"16101323","date":"2016/10/13", "model":"SMT-C5010", "model":"SUMT"stb":"4",{"id":"10/13","2016"2016"10/13","20","20"20"20"20","20"20",":""""""""""""20"20"20"""20""""""""el_class":"STB", "qty":"5"",s_team":"IO-Team","s_tel":","s_name":"Lee Dong-kyu":"center":"Anyang","status1":"5","sum_b":":"16"d10/13",{:10"10"10"dtelid":"16"10":"16"16"16":"/13"16"16":"12"12":":"12"12"12"12"12"12"12"12"12"12:"45"}]
10-18 09:01:31.228 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab2$AsyncHttpTask.parseResult(Tab2.java:228)
10-18 09:01:31.228 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab2$AsyncHttpTask.doInBackground(Tab2.java:157)
10-18 09:01:31.228 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab2$AsyncHttpTask.doInBackground(Tab2.java:124)
10-18 09:01:31.238 15389-15898/com.oh_biz.oh_works D/Tab3: Tab3[{"id":"161017031050", "date":"16/10/17", "model":"SMT-C5012", "SMT-center", "Celse":"_t:"Tab3[{"id":":"10"10"10"10":"10"10"10"10"10"10"10"10"10"10"10"10"10"10"10"10"10"10"10"12", "model":"SMT-C5012", "model_class":"STB", "qty":"20"",s_team":"IO-Team":"s_tel":"center":"Anyang"",status1:"sending..."240"status"6"
10-18 09:01:31.238 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab3$AsyncHttpTask.parseResult(Tab3.java:197)
10-18 09:01:31.238 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab3$AsyncHttpTask.doInBackground(Tab3.java:129)
10-18 09:01:31.238 15389-15898/com.oh_biz.oh_works W/System.err:     at com.oh_biz.oh_works.View.Tab3$AsyncHttpTask.doInBackground(Tab3.java:92)

@Override
        protected String doInBackground(String... params) {
            result = new StringBuilder();
            urlConnection = null;
            if ((key.equals("1"))) {
                url1 = "http://dbserver.x-y.net/oh-android/json/json_pro_stb1.php?TEAM=" + team;
            } } else if ((key.equals("2"))) {
                url1 = "http://dbserver.x-y.net/oh-android/json/json_pro_cm1.php?TEAM=" + team;
            }
            try {
                URL url = new URL(url1);
                urlConnection = (HttpURLConnection) url.openConnection();
                urlConnection.connect();
                InputStream in = new BufferedInputStream(urlConnection.getInputStream());
                BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), "EUC-KR"));
                String line;
                String result = "";
                while ((line = reader.readLine()) != null) {
                    result += line;
                }
                parseResult(result);
                // // Close stream
                if (null != in) {
                    in.close();
                }
                return result;
            } } catch (Exception e) {
                e.printStackTrace();
            } } finally {
                assert urlConnection != null;
                urlConnection.disconnect();
            }
            return result.toString();
        }

        @Override
        protected void onPostExecute(String result) {
            // // Download complete. Lets update UI
            asyncDialog.dismiss();
            mListAdapter.setListData(mListData);
            if (key.equals("1")){
                try {
                    stb_total = response.getJSONObject(0).getString("sum_stb");
                } } catch (JSONException e) {
                    e.printStackTrace();
                }
                Log.d("stb_total","total"+stb_total);
                tv_sum.setText ("Total:" + stb_total);
            }
            else if (key.equals("2")){
                try {
                    cm_total = response.getJSONObject(0).getString("sum_cm");
                } } catch (JSONException e) {
                    e.printStackTrace();
                }
                Log.d("cm_total","total"+cm_total);
                tv_sum.setText ("Total:" + cm_total);
            }
            Log.d("Adapter", TAG + mListAdapter);
        }

        private void parseResult(String result) {
            try {
                response = new JSONArray(result);
                Log.d("Tab1","Tab1"+result);
                View_item item;
                model = response.getJSONObject(0).getString("model");
                String temp = model;
                if (temp.equals("")){
                }
                else {
                    for (int i = 0; i < response.length(); i++) {
                       item = new View_item(getActivity(), response.getJSONObject(i));
      mListData.add(item);
                    }
                }

            } } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }