/*
* Copyright ( c ) 2012 , 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
* @ library / test / lib
* @ summary InetAddress . isReachable is returning false
* for InetAdress 0 . 0 . 0 . 0 and : : 0
* @ run main PingThis
* @ run main / othervm - Djava . net . preferIPv4Stack = true PingThis
*/
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import jdk.test.lib.net.IPSupport;
public class PingThis {
public static void main(String args[]) throws Exception {
if (System.getProperty("os.name" ).startsWith("Windows" )) {
return ;
}
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!" );
}
}
}
}
Messung V0.5 in Prozent C=96 H=89 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
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