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4170e76c
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dragonwell8_jdk
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体验新版 GitCode,发现更多精彩内容 >>
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4170e76c
编写于
1月 26, 2012
作者:
P
peytoia
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电子邮件补丁
差异文件
7017458: (cal) Multithreaded deserialization of Calendar leads to ClassCastException
Reviewed-by: okutsu
上级
b60f73ea
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
126 addition
and
1 deletion
+126
-1
src/share/classes/java/util/Calendar.java
src/share/classes/java/util/Calendar.java
+1
-1
test/java/util/Calendar/Bug7017458.java
test/java/util/Calendar/Bug7017458.java
+125
-0
未找到文件。
src/share/classes/java/util/Calendar.java
浏览文件 @
4170e76c
...
...
@@ -2705,7 +2705,7 @@ public abstract class Calendar implements Serializable, Cloneable, Comparable<Ca
* removed from the serialization stream; this will probably happen in the
* near future.
*/
private
void
writeObject
(
ObjectOutputStream
stream
)
private
synchronized
void
writeObject
(
ObjectOutputStream
stream
)
throws
IOException
{
// Try to compute the time correctly, for the future (stream
...
...
test/java/util/Calendar/Bug7017458.java
0 → 100644
浏览文件 @
4170e76c
/*
* Copyright (c) 2012, 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.
*/
/*
* @test
* @bug 7017458
* @summary Test of multithreaded serialization/deserialization of Calendar.
*/
import
java.io.*
;
import
java.util.Calendar
;
public
class
Bug7017458
{
static
volatile
boolean
err
=
false
;
public
static
void
main
(
String
[]
args
)
{
try
{
new
Bug7017458
().
perform
();
}
catch
(
Exception
e
)
{
e
.
printStackTrace
();
err
=
true
;
}
if
(
err
)
{
throw
new
RuntimeException
(
"Multithreaded serialization/deserialization test failed."
);
}
else
{
System
.
out
.
println
(
"Multithreaded serialization/deserialization test passed."
);
}
}
public
void
perform
()
throws
Exception
{
int
nbThreads
=
8
;
Calendar
cal
=
Calendar
.
getInstance
();
SerializationThread
[]
threads
=
new
SerializationThread
[
nbThreads
];
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads
[
i
]
=
new
SerializationThread
(
cal
);
}
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads
[
i
].
start
();
}
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads
[
i
].
join
();
}
DeserializationThread
[]
threads2
=
new
DeserializationThread
[
nbThreads
];
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads2
[
i
]
=
new
DeserializationThread
(
threads
[
i
].
data
);
}
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads2
[
i
].
start
();
}
for
(
int
i
=
0
;
i
<
nbThreads
;
i
++)
{
threads2
[
i
].
join
();
}
}
public
class
SerializationThread
extends
Thread
{
private
Calendar
cal
;
public
byte
[]
data
;
public
SerializationThread
(
Calendar
cal
)
{
this
.
cal
=
cal
;
}
public
void
run
()
{
try
{
ByteArrayOutputStream
baos
=
new
ByteArrayOutputStream
();
ObjectOutputStream
oos
=
new
ObjectOutputStream
(
baos
);
oos
.
writeObject
(
cal
);
oos
.
flush
();
oos
.
close
();
data
=
baos
.
toByteArray
();
}
catch
(
Exception
e
)
{
e
.
printStackTrace
();
err
=
true
;
}
}
}
public
class
DeserializationThread
extends
Thread
{
public
Calendar
cal
;
public
byte
[]
data
;
public
DeserializationThread
(
byte
[]
data
)
{
this
.
data
=
data
;
}
public
void
run
()
{
try
{
ByteArrayInputStream
bais
=
new
ByteArrayInputStream
(
data
);
ObjectInputStream
ois
=
new
ObjectInputStream
(
bais
);
cal
=
(
Calendar
)
ois
.
readObject
();
ois
.
close
();
}
catch
(
Exception
e
)
{
e
.
printStackTrace
();
err
=
true
;
}
}
}
}
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