1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* Copyright (c) 1997, 2007, 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.
*/
/*
* @bug 4070080
*
* @build WriteAddedSuperClass ReadAddedSuperClass2
* @run main ReadAddedSuperClass2
* @summary 2nd part of test deserializes the serialization stream into an
* instance of the original class WHEN the AddedSuperClass exists
* locally.
*
* Description of failure:
*
* If you delete AddedSuperClass.class before running this test,
* both JDK 1.1.x and 1.2 result in ClassNotFoundException for class
* AddedSuperClass. If the .class file is not deleted, 1.2 does not
* fail. However, JDK 1.1.4 core dumps dereferencing a null class handle
* in the native method for inputClassDescriptor.
*/
import java.io.*;
class AddedSuperClass implements Serializable {
// Needed at least one field to recreate failure.
int field;
}
class A implements Serializable {
// Version 1.0 of class A.
private static final long serialVersionUID = 1L;
}
public class ReadAddedSuperClass2 {
public static void main(String args[]) throws IOException, ClassNotFoundException {
File f = new File("tmp.ser");
ObjectInput in =
new ObjectInputStream(new FileInputStream(f));
A a = (A)in.readObject();
in.close();
}
}
|
