1 /*

     2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 7012768

    27  * @modules java.base/sun.net.spi.nameservice

    28  * @compile -XDignore.symbol.file=true ThrowingNameService.java

    29  *          ThrowingNameServiceDescriptor.java

    30  * @run main/othervm/timeout=30 -Dsun.net.spi.nameservice.provider.1=throwing,sun Hang

    31  * @summary InetAddress lookupTable leaks/deadlocks when using unsupported

    32  *          name service spi

    33  */

    34 

    35 import java.net.InetAddress;

    36 

    37 public class Hang {

    38     public static void main(String[] args) throws Exception {

    39         try {

    40             // 1st attempt - IllegalStateException caught below

    41             InetAddress.getByName("host.company.com");

    42         } catch (IllegalStateException e) { }

    43 

    44         // 2nd attempt - Stuck here forever if bug exists

    45         InetAddress.getByName("host.company.com");

    46     }

    47 }