Custom time zone is not normalized in 1.4 as it was in 1.3

Name: nt126004 Date: 04/17/2003


FULL PRODUCT VERSION :
java version "1.4.1"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1-b21)
Java HotSpot(TM) Client VM (build 1.4.1-b21, mixed mode)

FULL OS VERSION :
Windows NT Version 4.0

A DESCRIPTION OF THE PROBLEM :
If you specify a custom timezone, the timezone is not normalized properly and
you end up with the GMT+00:00:00 timezone.
For example: I have the program:

Date now = new Date();
System.out.println(now);
SimpleDateFormat outputDate = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss");
outputDate.setTimeZone( TimeZone.getTimeZone("GMT+2:0") );
System.out.println("From date2: " + outputDate.format(now));

Under the JDK1.3.1 the result of this is:

Tue Apr 01 09:34:53 CEST 2003
  From date2: 01-Apr-2003 09:34:53

Which is what I want, but
Under the JDK1.4 the result is:

Tue Apr 01 09:35:13 CEST 2003
  From date2: 01-Apr-2003 07:35:13

When I modify the custom timezone ID to
GMT+2:00
all works fine under both JDK's.

In the docs of the TimeZone object, it says that the timezone ID's are normalized.
I quote:
"For example, TimeZone.getTimeZone("GMT-8").getID() returns "GMT-08:00". "

But apparently, the JDK1.3.1 does this in a better way then the JDK1.4


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the following program under JDK1.3.1 (i used _02) and then again under the JDK 1.4 (i used _03)

Date now = new Date();
System.out.println(now);
SimpleDateFormat outputDate = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss");
outputDate.setTimeZone( TimeZone.getTimeZone("GMT+2:0") );
System.out.println("From date2: " + outputDate.format(now));


EXPECTED VERSUS ACTUAL BEHAVIOR :
Tue Apr 01 09:34:53 CEST 2003
  From date2: 01-Apr-2003 09:34:53

Tue Apr 01 09:35:13 CEST 2003
  From date2: 01-Apr-2003 07:35:13


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.util.*;
import java.text.*;


public class TestDates {


public static void main( String[] args ) {

Date now = new Date();
System.out.println(now);
SimpleDateFormat outputDate = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss");
outputDate.setTimeZone( TimeZone.getTimeZone("GMT+2:0") );
System.out.println("From date2: " + outputDate.format(now));
} // main method

} // class TestDates

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Make sure that your custom timezone ID is already normalized before you use it with the TimeZone object.
This is a bit annoying when you calculate the custom timezone ID in a web browser.

On a Date object in JavaScript, you can calculate the timezone Id starting from:

var timezoneOffset = now.getTimezoneOffset();

But make sure that you normalize the ID before using it.

Release Regression From : 1.3.1
The above release value was the last known release where this
bug was known to work. Since then there has been a regression.

(Review ID: 183296)
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