/* * Copyright (c) 2006, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 6427403 * @summary java.net.MulticastSocket.joinGroup() reports 'socket closed' * @library /lib/testlibrary * @build jdk.testlibrary.NetworkConfiguration * @run main B6427403 */ import java.io.IOException; import java.net.*; import java.util.Optional; import java.util.Set; import jdk.testlibrary.NetworkConfiguration; public class B6427403 { public static void main( String[] args ) throws IOException { InetAddress lh = InetAddress.getLocalHost(); System.out.println("localhost:" + lh); Optional onif = NetworkConfiguration.probe() .ip4MulticastInterfaces() .filter(addr -> addr.equals(lh)) .findFirst(); if (onif.isPresent()) { NetworkInterface nif = onif.get(); System.out.println("nif:" + nif); SocketAddress bindAddr = new InetSocketAddress(lh, 0); try (MulticastSocket ms = new MulticastSocket(bindAddr)) { ms.setNetworkInterface(nif); ms.joinGroup(InetAddress.getByName("224.80.80.80")); } } } }