Android http 403错误

Question

在向API发出请求时遇到了一些麻烦，它给我一个401错误。 该请求是通过使用令牌进行的，并且我使用相同的令牌发出了其他几个请求，并且它工作正常，它是＆＃39;只是那个特殊的要求。 为了完成，我试图用邮递员做这个请求，它完全正常。

- 编辑 -

private void run() {
    StringBuilder sb = new StringBuilder();
    try {
        //Initializing Url
        URL url = new URL(urlStr);
        //Creating an httmlurl connection
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        //Configuring connection properties
        conn.setReadTimeout(150000);
        conn.setConnectTimeout(150000);
        conn.setRequestMethod(requestType);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        //Creating an output stream
        OutputStream os = conn.getOutputStream();
        //We are using a method getPostDataString which is defined below
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
        writer.write(getPostDataString(params));
        writer.flush();
        writer.close();
        os.close();
        int responseCode = conn.getResponseCode();
        Log.d("HTTP", "Code: " + responseCode);
        if (responseCode == HttpsURLConnection.HTTP_OK) {
            BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            sb = new StringBuilder();
            String response;
            //Reading server response
            while ((response = br.readLine()) != null) {
                sb.append(response);
            }
        }

        if (!(sb.toString().isEmpty()))
            this.response = sb.toString();
        else
        {
            this.response = queryResponse.WRONG;
        }

    } catch (MalformedURLException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (ProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}
}