/*
* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
/*
* @test
* @author Gary Ellison
* @bug 4208282
* @summary java.net.InetAddress.getByName caching unknown host lookups
*/
import java.net.InetAddress;
public class CachedUnknownHostName {
public static void main(String argv[]) throws Exception {
String hostname = new String("bogusHostName");
try {
InetAddress.getByName(hostname);
System.err.println("Missing java.net.UnknownHostException for host " +
hostname);
throw new Exception("Missing java.net.UnknownHostException");
} catch(java.net.UnknownHostException e) {
// this one is anticipated
System.out.println("Caught expected exception:" + e);
}
try {
InetAddress.getByName(hostname);
System.err.println("Missing java.net.UnknownHostException for host " +
hostname);
throw new Exception("Missing java.net.UnknownHostException");
} catch(java.net.UnknownHostException e) {
// this is the one that was not firing off.
System.out.println("Caught expected exception:" + e);
}
System.out.println("Passed. OKAY");
}
}