56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 4922568 8133015
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* @run main/othervm -Djava.net.preferIPv4Stack=true IsHostReachableBug
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* @summary isReachable returns true for IPv6
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*/
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import java.net.*;
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import java.io.*;
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public class IsHostReachableBug {
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public static void main(String[] args) throws Exception{
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String hostName = "fec0::1:a00:20ff:feed:b08d";
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BufferedReader in = null;
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FileWriter fw = null;
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String inString = " ";
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if (args.length > 0)
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hostName = args[0];
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InetAddress addr = InetAddress.getByName(hostName);
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System.out.println("InetAddress is : " + addr);
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System.out.println("Is InetAddress instance of Inet6Address ? "
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+ (addr instanceof Inet6Address));
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if (!addr.isReachable(10000)){
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System.out.println(hostName + " is not reachable");
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}else {
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throw new RuntimeException ("IPv6 address should not be reachable");
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}
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}
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}
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