Date: Thu, 18 Jan 2001 10:49:16 -0500 From: "Rossen Raykov" <rraykov@sageian.com> To: <glewis@trc.adelaide.edu.au>, <veldy@veldy.net> Cc: <freebsd-java@FreeBSD.ORG> Subject: Re: Serialization problem. Message-ID: <007f01c08166$36d0e140$4c00000a@sage> References: <B7EEDC7A0B0AD311871F0004AC4CC04627573F@SERVER> <3A63A6BD.787B4FB5@partitur.se> <023101c07ff8$b2647980$4c00000a@sage> <01a201c07ff9$5be39680$3028680a@tgt.com> <20010118221737.A8960@ares.trc.adelaide.edu.au>
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Attached is simple class that reproduce the error on my systems.
The test results:
<output>
sun$ uname -a
SunOS nis 5.7 Generic_106541-11 sun4u sparc SUNW,Ultra-5_10
sun$ java -version
java version "1.2.2"
Solaris VM (build Solaris_JDK_1.2.2_06, native threads, sunwjit)
sun$ java DateTest w test
Saved: Wed May 08 00:00:00 EDT 3901
bsd$ uname -a
FreeBSD host 4.1.1-RELEASE FreeBSD 4.1.1-RELEASE #0: Thu Oct 26 10:27:09 EDT
2000 user@host:/usr/src/sys/compile/KERNEL i386
bsd$ java -version
java version "1.2.2"
Classic VM (build jdk1.2.2-FreeBSD:root:2000/10/25-20:23, green threads,
nojit)
bsd$ java DateTest r test
Restored: Tue May 07 23:00:00 EST 3901
</output>
Let me know if you need more information.
Rossen
> Can one of you two come up with a simple example of this? I tried, but
> everything seemed to work for me:
>
> eclipse> uname -a
> SunOS eclipse 5.8 Generic
> eclipse> java -version
> java version "1.2.2"
> Solaris VM (build Solaris_JDK_1.2.2_06, native threads, sunwjit)
> eclipse> java WriteDate
> Thu Mar 29 00:00:00 CST 2001
> Mon Apr 02 00:00:00 CST 2001
>
> misty> uname -a
> FreeBSD misty.eyesbeyond.com 4.1-RELEASE
> misty> java -version
> java version "1.2.2"
> Classic VM (build jdk1.2.2-FreeBSD:glewis:2000/10/05-07:13, green threads,
> nojit)
> misty> java ReadDate
> Thu Mar 29 00:00:00 GMT+09:30 2001
> Mon Apr 02 00:00:00 GMT+09:30 2001
>
> where WriteDate is a simple class that serializes a couple of dates either
> side of 1 April 2001 and ReadDate...well, you can guess that one :).
>
> I suspect something weird might be happening with locales, but its hard
> to track down without something reproducible. Am happy to send you the
> code for the test classes I wrote, but I'm sure you can duplicate it in
> about 2 minutes flat :).
>
> - Greg
>
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-java" in the body of the message
>
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filename="DateTest.java"
/*
* DateTest.java
*
* Created on January 18, 2001, 9:54 AM
*/
import java.util.Date;
import java.io.*;
/**
*
* @author rraykov
* @version=20
*/
public class DateTest {
/** Creates new DateTest */
public DateTest() {
}
static void usage() {
System.err.println("Use: TestDate {r[ead]|w[rite]} file");
System.exit(-1);
}
static Date date;
=20
/**
* @param args the command line arguments
*/
public static void main (String args[]) {
if (args.length !=3D 2) {
usage();
}
try {
if ((args[0].charAt(0) =3D=3D 'r') || (args[0].charAt(0) =3D=3D =
'R')) {
ObjectInputStream in =3D new ObjectInputStream((InputStream) =
new FileInputStream(args[1]));
date =3D (Date) in.readObject();
in.close();
System.out.println("Restored: " + date.toString());
} else {
if ((args[0].charAt(0) =3D=3D 'w') || (args[0].charAt(0) =
=3D=3D 'W')) {
date =3D new Date(2001, 4, 8);
ObjectOutputStream out =3D new =
ObjectOutputStream((OutputStream) new FileOutputStream(args[1]));
out.writeObject(date);
out.flush();
out.close();
System.out.println("Saved: " + date.toString());
} else {
usage();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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