錯誤：<！java.lang.String類型的DOCTYPE無法轉換爲JSONObject

我在android項目上工作在調用api時，拋出異常如下。我認爲所有事情都做得正確，但太久卻厭倦了這個例外。錯誤：<！java.lang.String類型的DOCTYPE無法轉換爲JSONObject

org.json.JSONException: Value <!DOCTYPE of type java.lang.String cannot be converted to JSONObject

這裏我的代碼

public class APIConnectionManager { 

    private static int CONNECTION_TIMEOUT = 60000; 
    static JSONObject response = null; 
    public static final int GET = 1; 
    public static final int POST = 2; 


    /** 
    * Function to place a get call to the customer profile API that returns a JSONObject 
    * 
    * @param url  - The path to the resource 
    * @param params - A list of name value pairs 
    * @return - JSONObject 
    */ 
    public JSONObject doCustomerAPIGet(String url, int method, List<NameValuePair> params) { 

     try{ 

      // http client 
      DefaultHttpClient httpClient = new DefaultHttpClient(); 
      HttpEntity httpEntity = null; 
      HttpResponse httpResponse = null; 

      // check the http method request type 
      if(method==POST){ 

       HttpPost httpPost = new HttpPost(url); 

       // adding post params 
       if(params!=null){ 

        httpPost.setEntity(new UrlEncodedFormEntity(params)); 
       } 

       httpResponse = httpClient.execute(httpPost); 
      }else if (method==GET){ 

       // appending params to the url 
       if (params!=null) { 
        String paramString = URLEncodedUtils.format(params, "utf-8"); 

        url += "?" + paramString; 
       } 

       HttpGet httpGet = new HttpGet(url); 

       httpResponse = httpClient.execute(httpGet); 
      } 

      httpEntity = httpResponse.getEntity(); 

      String result = EntityUtils.toString(httpEntity); 

      response = new JSONObject(result); 


     }catch (UnsupportedEncodingException e){ 
      e.printStackTrace(); 
     } catch (ClientProtocolException e) { 
      e.printStackTrace(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } catch (JSONException e){ 
      e.printStackTrace(); 
     } 

     return response; 

    } 
}

錯誤在該行

response = new JSONObject(result);

指向同樣我得到響應

{"data":{"customerno":1339451,"loyalty_id":"9700354522","firstname":"raju","lastname":"king","email":"[email protected]","mobile":"9700354522","address":"1st street","city":"chennai","pincode":"600028","links":[]},"status":"success"}

有人可以請告知這一點。

來源

2016-08-18 Raju

請諮詢您的後端開發人員 – Nilabja

請查看我的回覆以上 – Raju

'<！DOCTYPE'可能表示您正在獲取HTML而不是'JSON'。以調試模式運行以驗證您得到的響應。 – Vucko

您沒有得到可以轉換爲JSON的響應。您的API響應中存在錯誤，因此只需調試您的應用並向您的API開發人員顯示錯誤。

來源

2016-08-18 10:47:08 Nikhil

感謝你的建議我在做並得到了主意 – Raju

@Raju Subramanian你歡迎 – Nikhil

錯誤：<！java.lang.String類型的DOCTYPE無法轉換爲JSONObject

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