RFR 8085049/9, java/net/MulticastSocket/TimeToLive.java fails intermittently with "Address already in use"

[Felix Yang]

Hi there,

     please review a minor test fix to avoid hard-coded port usage, 
which leads to "Address already in use" issue intermittently.

Bug:

     https://bugs.openjdk.java.net/browse/JDK-8085049

Since it is just a 1 line change, just print the patch here:

diff -r 83030d149c5c test/java/net/MulticastSocket/TimeToLive.java
--- a/test/java/net/MulticastSocket/TimeToLive.java     Fri Sep 23 
01:08:24 2016 +0000
+++ b/test/java/net/MulticastSocket/TimeToLive.java     Fri Sep 23 
01:39:24 2016 -0700
@@ -1,5 +1,5 @@
  /*
- * Copyright (c) 1998, 1999, Oracle and/or its affiliates. All rights 
reserved.
+ * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights 
reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@
      static int[] bad_ttls = { -1, 256 };

      public static void main(String[] args) throws Exception {
-        MulticastSocket socket = new MulticastSocket(6789);
+        MulticastSocket socket = new MulticastSocket();
          int ttl = socket.getTimeToLive();
          System.out.println("default ttl: " + ttl);
          for (int i = 0; i < new_ttls.length; i++) {


Thanks,

Felix