1 /*

     2  * Copyright (c) 2009, 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 import java.io.*;

    24 import javax.xml.parsers.DocumentBuilderFactory;

    25 import java.security.*;

    26 

    27 public class Deadlock2 {

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

    29         File file = new File("object.tmp");

    30         final byte[] bytes = new byte[(int) file.length()];

    31         FileInputStream fileInputStream = new FileInputStream(file);

    32         int read = fileInputStream.read(bytes);

    33         if (read != file.length()) {

    34             throw new Exception("Didn't read all");

    35         }

    36         Thread.sleep(1000);

    37 

    38         Runnable xmlRunnable = new Runnable() {

    39                 public void run() {

    40                     try {

    41                         DocumentBuilderFactory.newInstance();

    42                     } catch (Exception e) {

    43                         e.printStackTrace();

    44                     }

    45                 }

    46             };

    47 

    48         Runnable readObjectRunnable = new Runnable() {

    49                 public void run() {

    50                     try {

    51                         ObjectInputStream objectInputStream =

    52                             new ObjectInputStream(new ByteArrayInputStream(bytes));

    53                         Object o = objectInputStream.readObject();

    54                         System.out.println(o.getClass());

    55                     } catch (Exception e) {

    56                         e.printStackTrace();

    57                     }

    58                 }

    59             };

    60 

    61         Thread thread1 = new Thread(readObjectRunnable, "Read Object");

    62         Thread thread2 = new Thread(xmlRunnable, "XML");

    63 

    64         thread1.start();

    65         thread2.start();

    66 

    67         thread1.join();

    68         thread2.join();

    69     }

    70 }