Details:
The following instruction are an example for the JRE 1.4.2, but those
can also be used for 1.5.0 and 1.6.0. Close all Java applications, open
a terminal and type ...
$ sudo bash
Password:
# whoami
root
# cd /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2
=> change to the directory where the JRE is stored which you want to update
# Commands/java -version
java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-232)
Java HotSpot(TM) Client VM (build 1.4.2-54, mixed mode)
=> the output tells us, that we have 1.4.2 installed
# Commands/java -Djava.vendor="Sun Microsystems Inc." -jar
/tmp/tzupdater.jar -V
tzupdater version 1.0.0-b03
JRE time zone data version: tzdata2003a
Embedded time zone data version: tzdata2006p
=> by setting the expected property, the tzupdater also runs on Mac OS
X. Our JRE time zone data is from 2003.
=> The update is done. For more/verbose options see the manual for the
tzupdater at the java.sun.com homepage.
# Commands/java -Djava.vendor="Sun Microsystems Inc." -jar
/tmp/tzupdater.jar -V
tzupdater version 1.0.0-b03
JRE time zone data version: tzdata2006p
Embedded time zone data version: tzdata2006p
=> The JRE time zone data has been updated to tz2006p
The tzupdater updates the Java timezone files in
/System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/zi
In the example above, the tzupdater stores a backup in
/System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib/zi.tzdata2003a
To restore the time zone data do the old values, move the backup
directory to the folder called zi.
# cd /System/Library/Frameworks/JavaVM.framework/Versions/1.4.2/Home/lib
# mv zi zi.tzdata2006p
# mv zi.tzdata2003a zi
Before an time zone update or an time zone restore, close all Java
applications.
Johann
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