TimeZone.setDefault changes in JDK6

Question

I just noticed that JDK 6 has a different approach to setting a default TimeZone than JDK5.

Previously the new default would be stored in a thread-local variable. W

Answer 1

Searching the bugs database was actually quite a good idea :)

http://bugs.sun.com/view_bug.do?bug_id=6352812

and also (re docs):

http://bugs.sun.com/view_bug.do?bug_id=6181786

Summary: JDK 1.5 was an exception to the rule, with JDK 1.6 things are back to 'normal', which, according to the docs, is that a timezone change is VM wide.