Cool Solutions



April 5, 2007 3:53 pm






Added a new server into the tree on April 2nd and April 1st was the originally scheduled Daylight Savings Time. One of the first things I decided to do was to run the tzupdater tool since I still had it handy.

The server I installed was NetWare 6 sp5 which runs ConsoleOne 1.3.6.e. Following TID # 3639513, I ran the command “java -jar tzupdater.jar -f -bc -v” to update the zone definitions. I received read errors on all the time zones. In the middle of these errors I aborted by hitting “Ctrl+c”. Next, I ran “java.exe -jar tzupdater.jar -t” to verify and also got a read error. Both are shown in figure 1.

When I ran the update again, it seemed to work. To reproduce this problem I removed ConsoleOne from the server and reinstalled it from the Product CD. The problem came back, but it happens on the first time I run the tzupdater only. These errors were not consistent. A few times I ran the checker after aborting the failing update and the checker ran clean, indicating no errors. But, this can’t be because I never let the update finish. This leaves me to not trust the tzupdater utility because I can’t rely on its checking capability.

To take the test further, I decided to set the server clock back to March 29th, a day before the regularly scheduled time change. The tzupdater ran without a hitch.


Running the tzupdater during the original DST dates is problematic. I ended up using the other option for the Java update JVM 1.4.2_13. The only downside here is that in order for it to take effect you’ll have to reboot the server.

Another issue, totally unrelated to DST, was if I mapped directly to the \bin directory I would get the following error message stating that the version is incorrect. It also states that it can’t find the java.dll which I verified is right in the root of that directory. I had to map to the root of SYS, then path out to the \bin directory to run the tzupdater.

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Disclaimer: This content is not supported by Micro Focus. It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test it thoroughly before using it in a production environment.