SHORT SUMMARY: JRE fails to detect default timezone on Linux post 6u18
A non standard setup where the /etc/localfile is symbolic but doesn't
point to a file in /usr/share/zoneinfo.
TRIGGERS: Cu is upgrading their TIBCO product which uses JRE 6u22.
Bug fix 6456628 has changed behaviour for default TZ detection.
KNOWN WORKAROUND: Use a static file for /etc/localtime or if Cu insists on
using symbolic link, have it point to a directory structure idential to
PRESENT SINCE: 6u18
HOW TO VERIFY:
NOTES FOR SE: Investigate if TZ detection code on linux can be altered
so that we don't create a dependency for a symbolic link to point to a
REGRESSION: For this Cu setup - Yes. (escalated)