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 {
main(String[] args)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 }
71