On Fri, 9 Mar 2007, Troy Dawson wrote:

{snip}
>
> But have you actually tested to see if the change was really needed. Doing a 
> diff and other various things aren't really telling you if something was 
> broken in the first place.  I was given another java script, that works for 
> all places I believe.

> ------
>   import java.util.Date;
>
>    public class TimeCheck {
>      public static void main(String[] arg) {
> 	System.out.println(new Date(1173599999999L).toString());
> 	System.out.println(new Date(1173600000000L).toString());
> 	System.out.println(new Date(1194159599999L).toString());
> 	System.out.println(new Date(1194159600000L).toString());
>      }
>    }
> ------
>
> So, for your case, you would complie this code and then run
>
> /usr/java/j2sdk1.4.2_12/bin/java TimeCheck
>  and then
> /usr/java/j2sdk1.4.2_12.sv/bin/java TimeCheck
>
> And see if they are the same or different.

well:

$ cat /etc/sysconfig/clock 
ZONE="America/Vancouver"
UTC=true
ARC=false

# rpm -e j2sdk
# rpm -ivh j2sdk-1.4.2_12-fcs.i586.rpm 
$ export PATH=/usr/java/j2sdk1.4.2_12/bin:$PATH
$ javac DSTCheck.java 
$ java DSTCheck
Hello, you are running Sun Microsystems Inc. JVM version: 1.4.2_12

OLD Daylight Saving Time (DST) dates: Apr 1 - Oct 28
NEW DST dates: Mar 11 - Nov 4
Now (2007-03-09 11:41:16 PST) DST offset: 0 hours
2007-03-12 01:00:00 PST DST Offset: 0 hours
2007-04-02 01:00:00 PDT DST Offset: 1 hours
2007-10-27 01:00:00 PDT DST Offset: 1 hours
2007-11-03 01:00:00 PST DST Offset: 0 hours
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! YOUR JVM REQUIRES UPDATES FOR NEW DST CHANGES !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

# rpm -Fvh ~deatrich/j2sdk-1.4.2_13-fcs.i586.rpm
$ export PATH=/usr/java/j2sdk1.4.2_13/bin:$PATH
$ rm DSTCheck.class 
$ javac DSTCheck.java 
$ java DSTCheck
Hello, you are running Sun Microsystems Inc. JVM version: 1.4.2_13

OLD Daylight Saving Time (DST) dates: Apr 1 - Oct 28
NEW DST dates: Mar 11 - Nov 4
Now (2007-03-09 11:43:24 PST) DST offset: 0 hours
2007-03-12 01:00:00 PDT DST Offset: 1 hours
2007-04-02 01:00:00 PDT DST Offset: 1 hours
2007-10-27 01:00:00 PDT DST Offset: 1 hours
2007-11-03 01:00:00 PDT DST Offset: 1 hours
...............
. Your JVM is OK with the new DST changes .
...............

The regional timezone issue really is the bottom line..

  cheers,
   denice
--
deatrich @ triumf.ca, Science/Atlas         PH: +1 604-222-7665
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