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Bug
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Resolution: Duplicate
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P4
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None
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1.2.2
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generic
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generic
Name: rlT66838 Date: 08/23/99
When a primitive type's class is serialized, this is not
received properly upon reading (only tested this to/from file
serialization).
Steps:
serialization:
1. Class c = Integer.TYPE // get the class of the primitive
2. objectOutputStream.writeObject (c); // serizalize
deserialization:
1. Class c = (Class) objectInputStream.readObject ();
output:
java.lang.ClassNotFoundException: int
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:347)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:232)
at sr.firm.welch.brian.Tester.main(Tester.java:23)
Code that demonstrates this:
> Begin code example
package sr.firm.welch.brian;
import java.io.*;
import java.lang.reflect.*;
public class Tester
{
public static void main (String args[])
{
try
{
// serialize
FileOutputStream fos = new FileOutputStream ("intClass.ser");
ObjectOutputStream oos = new ObjectOutputStream (fos);
Class c = Integer.TYPE;
oos.writeObject (c);
oos.close ();
fos.close ();
// deserialize
FileInputStream fis = new FileInputStream ("intClass.ser");
ObjectInputStream ois = new ObjectInputStream (fis);
c = (Class) ois.readObject (); // This is where the exception is thrown
System.out.println ("This is never reached");
ois.close ();
fis.close ();
}
catch (Exception except)
{
except.printStackTrace ();
}
}
}
> End code example
version info:
java -version
java version "1.2.1"
Classic VM (build JDK-1.2.1-A, native threads)
java -fullversion
java full version "JDK-1.2.1-A"
relevant configuration (though I do not believe this has impact
on the bug):
- Intel Pentium II 400
- 128 MB RAM
- OS=Windows NT 4.0 SP4
(Review ID: 93724)
======================================================================
- duplicates
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JDK-4171142 Deserialization fails for Class object of primitive type
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- Closed
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