Java Server returned HTTP response code: 401


今天寫一個小功能需要通過http請求獲取一些返回數據,但是在登陸時是需要進行用戶名和密碼的校驗的。寫好之后請求,返回異常Java Server returned HTTP response code: 401

下面是修改之后的代碼:

 1 private static void httpRequest(){
 2          String username = "XX";
 3          String password = "XX";
 4          String requestURL = "https://XXXX";
 5          
 6          URL url;
 7          URLConnection connection = null;
 8          try {
 9              url = new URL(requestURL);
10              connection = (HttpURLConnection) url.openConnection();
11              String encoding = new String(Base64.encode(new String(username+":"+password).getBytes()));
12              ((HttpURLConnection) connection).setRequestMethod("GET");
13              connection.setRequestProperty("Content-Type", "text/plain");
14              connection.setRequestProperty("charset", "UTF-8");
15              connection.setRequestProperty( "Authorization","Basic "+encoding); 
16              connection.connect();
17              
18              BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(),"utf-8"));
19              File fp = new File("/tmp/xml.txt");// 獲取整個返回的結果入/tmp/xml.txt中
20              PrintWriter pfp= new PrintWriter(fp);
21              pfp.print(in.readLine());// 返回結果只有一行……
22         pfp.close(); 
23 
24         in.close(); 
25 
26       } catch (MalformedURLException e) { 
27 
28          // TODO Auto-generated catch block 
29          e.printStackTrace();
30       } catch (IOException e) {
31         // TODO Auto-generated catch block
32          e.printStackTrace(); 
33       }finally{ 
34       }
35      }

 

注意事項:

1. 第15行,Basic 后面有一個空格

 

參考:http://stackoverflow.com/questions/22677930/java-server-returned-http-response-code-401


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