當發送json對象到HTTP服務器時出現錯誤的請求異常android

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我試圖發送這個HTTP服務器，但我得到一個異常。這是我在asynctask中使用的代碼，我覺得我已經錯過了爲什麼它會給出例外，因爲當我嘗試我的請求時，我在小提琴手中獲得成功。如果有人可以發現錯誤，請幫助我。任何幫助將不勝感激。當發送json對象到HTTP服務器時出現錯誤的請求異常android

這是我的要求，

{"CartItemEntity":[{"MainMenuCode":"CHBA","SubMenuCode":"AL","Quantity":1,"Price":1560}],"DiscountCode":"0","PayCode":"0","OrderID":"6592","OutletCode":"AT","RequiredDate":"15/6/2015","Total":"1638.0","CardNo":"0","PhoneNo":1234}

這是的AsyncTask類

public class GetAllDiscountsAsyncTask extends 
     AsyncTask<JSONObject, Integer, JSONArray> { 
    private OnTaskCompleted listener; 
    private JSONArray responseJson = null; 
    private Context contxt; 

    public GetAllDiscountsAsyncTask(Context context, OnTaskCompleted listener) { 

     // API = apiURL; 
     this.contxt = context; 
     this.listener = listener; 
    } 

    JSONObject jData; 


    @Override 
    protected JSONArray doInBackground(JSONObject... jData) { 

     String parameterPass = jData.toString(); 
     Log.i("doInBackground", parameterPass); 

     String path = null; 
     String response = null; 
     DefaultHttpClient httpClient = null; 

     ResponseHandler<String> responseHandler = null; 

     try { 
      path = "xxxxxxxxxxxxxxxxxxxxxxx"; 

      new URL(path); 
     } catch (MalformedURLException e) { 

      e.printStackTrace(); 
     } 

     try { 

      httpClient = new DefaultHttpClient(); 

      HttpPost httppost = new HttpPost(path); 
      httppost.setEntity(new StringEntity(jData.toString(), "UTF-8")); 
      httppost.setHeader("Content-type", "application/json"); 

      responseHandler = new BasicResponseHandler(); 
      response = httpClient.execute(httppost, responseHandler); 

      responseJson = new JSONArray(response); 
      System.out.println("*****JARRAY*****" + responseJson.length()); 

     } catch (Exception e) { 
      Log.e("Buffer Error", "Error converting result " + e.toString()); 
     } 
     try { 
      responseJson = new JSONArray(response); 

     } catch (JSONException e) { 
      Log.e("JSON Parser", "Error parsing data " + e.toString()); 
     } 

     return responseJson; 

    } 

    @Override 
    protected void onPostExecute(JSONArray result) { 

     super.onPostExecute(result); 

     listener.onTaskCompleted(responseJson); 
    } 

}

這是例外，我得到的，

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