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  1. JDK
  2. JDK-4099926

HTTP URLConnection does not retry POST correctly

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Duplicate
    • Affects Version/s: 1.1.4
    • Fix Version/s: None
    • Component/s: core-libs
    • Labels:
    • Subcomponent:
    • CPU:
      x86
    • OS:
      windows_nt

      Description



      Name: rm29839 Date: 12/16/97


      1 make HTTP URLConnection
        send request
        server reply right respose
        send second request
        server close keep-alive connection
        HTTP URLConnection automatically resend request
        but does not send message body

      2 demo source
        (including client & server)

      import java.io.*;
      import java.net.*;

      public class Http3 {
          static final String HOST = "localhost";
          static final int PORT = 1000;
          static final int MAX = 30;
          static final int SIZE = 10000;
          static class Server extends Thread {
      Server() {
      }
      public void run() {
      ServerSocket ss;
      try {
      ss = new ServerSocket(PORT);
      } catch (IOException e) {
      System. out.println("ServerSocket IOException");
      return;
      }
      try {
      Socket socket = ss.accept();
      DataInputStream dis = new DataInputStream(socket.getInputStream());
      PrintWriter pw = new PrintWriter(socket.getOutputStream());

      String head;
      for (;;) {
      head = dis.readLine();
      System.out.println(head);
      if (head.equals("")) break;
      }
      String str = dis.readLine();
      System.out.println(str);
      pw.print("HTTP/1.0 200 OK\r\n");
      pw.print("Connection: keep-alive\r\n");
      pw.print("Content-length: 12\r\n");
      pw.print("\r\n");
      pw.print("0123456789\r\n");
      pw.flush();

      head = dis.readLine();
      System.out.println(head);
      dis.close();

      socket = ss.accept();
      dis = new DataInputStream(socket.getInputStream());
      pw = new PrintWriter(socket.getOutputStream());
      head = dis.readLine();
      if (head == null) {
      System.out.println("head == null");
      dis.close();
      ss.close();
      return;
      }
      System.out.println(head);
      for (;;) {
      head = dis.readLine();
      System.out.println(head);
      if (head.equals("")) break;
      }
      str = dis.readLine();
      System.out.println(str);
      pw.print("HTTP/1.0 200 OK\r\n");
      pw.print("Connection: keep-alive\r\n");
      pw.print("Content-length: 12\r\n");
      pw.print("\r\n");
      pw.print("0123456789\r\n");
      pw.flush();
      dis.close();
      ss.close();
      } catch (IOException e) {
      System. out.println("IOException");
      }
      }
          }

          public static void main(String args[]) {
      Server server = new Server();
      server.setDaemon(true);
      server.start();
      try {
      URL url = new URL("http", HOST, PORT, "/file");
      URLConnection uc = url.openConnection();
      uc.setDoOutput(true);
      OutputStream os = uc.getOutputStream();
      PrintWriter pw = new PrintWriter(os);
      pw.print("ABCDEFGH\r\n");
      pw.close();
      System.out.println("os.close");
      BufferedReader br = new BufferedReader(new InputStreamReader(uc.getInputStream()));
      System.out.println("getInputStream");
      String str = br.readLine();
      System.out.println(str);
      br.close();

      uc = url.openConnection();
      uc.setDoOutput(true);
      os = uc.getOutputStream();
      pw = new PrintWriter(os);
      pw.print("ABCDEFGH\r\n");
      pw.close();
      System.out.println("os.close");
      br = new BufferedReader(new InputStreamReader(uc.getInputStream()));
      System.out.println("getInputStream");
      str = br.readLine();
      System.out.println(str);
      br.close();
      } catch (MalformedURLException e) {
      System.out.println("MalformedURLException");
      } catch (IOException e) {
      System.out.println("IOException");
      }
          }
      }

      3 no error message
        server waits for message body!

      4 no
      5 no
      (Review ID: 21946)
      ======================================================================

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              Assignee:
              Unassigned Unassigned
              Reporter:
              rmandelsunw Ronan Mandel (Inactive)
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                Created:
                Updated:
                Resolved:
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