为什么我在 HttpUrlConnection Java 中使用 httpStatus:401 或 httpStatus 500？

问题描述

我尝试使用 HttpURLConnection 发布请求

这是请求正文：

这是请求头：

这是我的代码：

public static String postSms(long mNo,long cepNo,String mesaj){
        
        
        String responseLine = null;
        String url = getSmsUrl();
        String authKey = getSmsAuthKey();
        
                try {
            
            URL s_url = new URL(url);
            httpCon = (HttpURLConnection) s_url.openConnection();           
            if(authKey != null){
                httpCon.setRequestProperty("yd-x-token",authKey);  
            }
            httpCon.setRequestMethod("POST");
            httpCon.setRequestProperty("Content-Type","application/json; utf-8");
            httpCon.setRequestProperty("Accept","application/json");
            httpCon.setDoOutput(true);
            int responseCode = httpCon.getResponseCode();
            if(responseCode == HttpURLConnection.HTTP_OK){
                JSONObject msj = new JSONObject();          
                msj.put("toNumber",cepNo);
                msj.put("smsText",mesaj);
                
                try(OutputStream os = httpCon.getoutputStream()) {
                    byte[] input = msj.toString().getBytes("utf-8");
                    os.write(input,input.length);           
                }           
                try(BufferedReader br = new BufferedReader(
                          new InputStreamReader(httpCon.getInputStream(),"utf-8"))) {
                            StringBuilder response = new StringBuilder();
                             responseLine = null;
                            while ((responseLine = br.readLine()) != null) {
                                response.append(responseLine.trim());
                            }
                        }
            }else return "ER|[sendNotification][Sms] <===> "+responseCode;            
        } catch (MalformedURLException e) {
            log.error("ER|[sendNotification][Sms] <===> Hata "+e);
            return "ER|[sendNotification][Sms] <===> Hata "+e;
        } catch (IOException e) {
            log.error("ER|[sendNotification][Sms] <===> Hata "+e);
            return "ER|[sendNotification][Sms] <===> Hata "+e;
        }catch (JSONException e){

       }
         return "OK";

        }

当我像两张照片一样尝试邮递员时，它成功了。但是当我尝试使用 HttpURLConnection 时，响应代码 = 500。有时 responseCode 会出现 401，但是当他们提供随 httpstatus 500 更改的新令牌时。为什么我会收到此错误。

解决方法

如果您收到状态 401，则表示您无权访问此 URL。这就是为什么他们给了你一个新的令牌，你的状态是 500。所以在调用那个请求之前确保你总是有正确的令牌。 对于状态 500，这是服务器端的问题。告诉您的服务器开发人员，检查一下。 顺便说一句，这是一个以“.json”结尾的愚蠢网址。

,

真正的方法是：

public static String postSms(long mNo,long cepNo,String mesaj){

    String responseLine = null;
    String url = getSmsUrl();
    String authKey = getSmsAuthKey();
    
            try {
        
        URL s_url = new URL(url);
        httpCon = (HttpURLConnection) s_url.openConnection();           
        if(authKey != null){
            httpCon.setRequestProperty("yd-x-token",authKey);  
        }
        httpCon.setRequestMethod("POST");
        httpCon.setRequestProperty("Content-Type","application/json; utf-8");
        httpCon.setRequestProperty("Accept","application/json");
        httpCon.setDoOutput(true);
       
            JSONObject msj = new JSONObject();          
            msj.put("toNumber",cepNo);
            msj.put("smsText",mesaj);
            
            try(OutputStream os = httpCon.getOutputStream()) {
                byte[] input = msj.toString().getBytes("utf-8");
                os.write(input,input.length);           
            }           
        int responseCode = httpCon.getResponseCode();
        if(responseCode == HttpURLConnection.HTTP_OK){
            try(BufferedReader br = new BufferedReader(
                      new InputStreamReader(httpCon.getInputStream(),"utf-8"))) {
                        StringBuilder response = new StringBuilder();
                         responseLine = null;
                        while ((responseLine = br.readLine()) != null) {
                            response.append(responseLine.trim());
                        }
                    }
        }else return "ER|[sendNotification][Sms] <===> "+responseCode;            
    } catch (MalformedURLException e) {
        log.error("ER|[sendNotification][Sms] <===> Hata "+e);
        return "ER|[sendNotification][Sms] <===> Hata "+e;
    } catch (IOException e) {
        log.error("ER|[sendNotification][Sms] <===> Hata "+e);
        return "ER|[sendNotification][Sms] <===> Hata "+e;
    }catch (JSONException e){

   }
     return "OK";

    }