# HG changeset patch
# User mbaesken
# Date 1565788024 -7200
#      Wed Aug 14 15:07:04 2019 +0200
# Node ID 8d40cd116bb8ddd5e0d48b6966d11d30315db609
# Parent  6717d7e59db418e8529faeb015d7565c86797607
8229706: java/net/MulticastSocket/NoLoopbackPackets.java fails on some AIX machines

diff --git a/test/jdk/java/net/MulticastSocket/NoLoopbackPackets.java b/test/jdk/java/net/MulticastSocket/NoLoopbackPackets.java
--- a/test/jdk/java/net/MulticastSocket/NoLoopbackPackets.java
+++ b/test/jdk/java/net/MulticastSocket/NoLoopbackPackets.java
@@ -29,6 +29,7 @@
  */
 import java.util.*;
 import java.net.*;
+import jdk.test.lib.NetworkConfiguration;
 import jdk.test.lib.net.IPSupport;
 
 public class NoLoopbackPackets {
@@ -62,7 +63,10 @@
             if (IPSupport.hasIPv4()) {
                 groups.add(new InetSocketAddress(InetAddress.getByName("224.1.1.1"), port));
             }
-            if (IPSupport.hasIPv6()) {
+
+            // see also JDK-8207404 where similar checks were added
+            NetworkConfiguration nc = NetworkConfiguration.probe();
+            if (IPSupport.hasIPv6() && nc.hasTestableIPv6Address()) {
                 groups.add(new InetSocketAddress(InetAddress.getByName("::ffff:224.1.1.2"), port));
                 groups.add(new InetSocketAddress(InetAddress.getByName("ff02::1:1"), port));
             }