The introduction of Olson Timezone (TZ) data, version 2005r or greater, may break backward compatibility for the Eastern, Hawaiian, and Mountain time zones, under certain circumstances.
This issue is also outlined in Sun BugIDs 6466476 and 6530336, listed at:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6466476http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6530336Note: The Hawaiian TZ is only affected for historical data. Other American TZs such as PST and CST are not affected
Customers who have already run the tzupdater tool before reading this updated document will need to repeat all the steps which apply to them again with additional 2 more options to the tzupdater command line. For example, customers who have run this previously:
.\java -jar tzupdater.jar -v -f
will need to repeat all the steps and with the above command line changing to:
.\java -jar tzupdater.jar -v -f -bc
Please see details in Sun's article (published 3/8/2007) regarding this issue:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102836-1