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  1. JDK
  2. JDK-6230761

(so) NIO channels with IPv6 on Windows

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    Details

    • Type: Enhancement
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 5.0, 6
    • Fix Version/s: 6u34
    • Component/s: core-libs
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      b31
    • CPU:
      x86
    • OS:
      windows, windows_xp

      Backports

        Description

        FULL PRODUCT VERSION :
        java version "1.5.0_01"
        Java (TM) 2 Runtime Environment, Standard Edition (build 1.5.0_01-b08)
        Java HotSpot(TM) Client VM (build 1.5.0_01-b08, mixed mode, sharing)

        ADDITIONAL OS VERSION INFORMATION :
        Microsoft Windows XP
        Professional
        Version 2002
        Service Pack 2

        A DESCRIPTION OF THE PROBLEM :
        Using IPv6 addresses in conjuction with NIO channels raises a "java.net.SocketException: Address family not supported by protocol
        family".

        Doing the same operation directly on a socket instance (i.e. without getting the socket from a channel) works.



        STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
        Simply execute the piece of code below.

        EXPECTED VERSUS ACTUAL BEHAVIOR :
        EXPECTED -
        The program should run without exception (as it is the case for linux/solaris boxes on which it has been tested too).

        Should display:
        ==> 1
        ==> 2
        ==> 3

        ACTUAL -
        ==> 1
        ==> 2
        java.net.SocketException: Address family not supported by protocol
        family: bind
                at sun.nio.ch.Net.bind(Native Method)
                at
        sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelI­mpl.java:119)
                at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java­:59)
                at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java­:52)
                at external.ipv6.main(ipv6.java:31)

        ERROR MESSAGES/STACK TRACES THAT OCCUR :
        Stacktrace is displayed by the application already.

        REPRODUCIBILITY :
        This bug can be reproduced always.

        ---------- BEGIN SOURCE ----------
        import java.net.InetAddress;
        import java.net.InetSocketAddress;
        import java.net.ServerSocket;
        import java.nio.channels.ServerSocketChannel;


        class ipv6 {
            static public void main(String[] notUsed) {
                try {
                    byte[] addr = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
        1};

                    InetAddress inetAddr = InetAddress.getByAddress(addr);

                    InetSocketAddress addr_8501 = new
        InetSocketAddress(inetAddr, 8501);
                    InetSocketAddress addr_8502 = new
        InetSocketAddress(inetAddr, 8502);

                    System.out.println("==> 1");

                    ServerSocket serverSocket = new ServerSocket();
                    serverSocket.bind(addr_8501); // This works

                    System.out.println("==> 2");

                    ServerSocketChannel channel = ServerSocketChannel.open();
                    channel.socket().bind(addr_8502); //This does not work

                    System.out.println("==> 3");
                } catch (Throwable t) {
                    t.printStackTrace();
                }
            }
        }

        ---------- END SOURCE ----------

        CUSTOMER SUBMITTED WORKAROUND :
        Unknown.
        ###@###.### 2005-2-18 06:41:28 GMT

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                Assignee:
                robm Robert Mckenna
                Reporter:
                ndcosta Nelson Dcosta (Inactive)
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