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/*
* Copyright (c) 2012, 2025, 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.
*/
/*
* Portions Copyright (c) 2012 IBM Corporation
*/
/* @test
* @bug 7163874 8133015
* @summary InetAddress.isReachable is returning false for InetAdress 0.0.0.0 and ::0
* @requires os.family != "windows"
* @library /test/lib
* @run main PingThis
* @run main/othervm -Djava.net.preferIPv4Stack=true PingThis
*/
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.List;
import jdk.test.lib.net.IPSupport;
public class PingThis {
public static void main(String args[]) throws Exception {
IPSupport.throwSkippedExceptionIfNonOperational();
List<String> addrs = new ArrayList<String>();
if (IPSupport.hasIPv4()) {
addrs.add("0.0.0.0");
}
if (IPSupport.hasIPv6()) {
addrs.add("::0");
}
for (String addr : addrs) {
InetAddress inetAddress = InetAddress.getByName(addr);
System.out.println("The target ip is "
+ inetAddress.getHostAddress());
boolean isReachable = inetAddress.isReachable(3000);
System.out.println("the target is reachable: " + isReachable);
if (isReachable) {
System.out.println("Test passed ");
} else {
System.out.println("Test failed ");
throw new Exception("address " + inetAddress.getHostAddress()
+ " can not be reachable!");
}
}
}
}
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