Yes, I was promising a beer to anybody who knew that before that
invariant was in place -- see my comment here:

https://issues.apache.org/jira/browse/LUCENE-3847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222013#comment-13222013

Dawid

On Thu, Mar 22, 2012 at 11:15 PM, Robert Muir <[email protected]> wrote:
> Its way worse than i thought:
>
>  public static void main(String args[]) throws Exception {
>    System.out.println("tz:" + System.getProperty("user.timezone"));
>    TimeZone old = TimeZone.getDefault();
>    System.out.println("tz:" + System.getProperty("user.timezone"));
>  }
>
> prints:
>
> tz:
> tz:America/New_York
>
> So even calling TimeZone.getDefault() (and doing nothing with it) is
> enough to change the sysprop!
>
> On Thu, Mar 22, 2012 at 6:12 PM, Robert Muir <[email protected]> wrote:
>>>
>>> I didn't inspect in detail what TimeZone does in standard JDK (if it
>>> resets the property on each setDefault or only if it's empty?). Feel
>>> free to file an issue -- we may look into it in the future. I don't
>>> think this is that crucial (?).
>>>
>>
>> sorry i used locales where i should have used tzs too, but you get the idea 
>> :)
>> whether it resets or only if its empty, its the same problem for us
>> though, its something different than it was before (it was empty, now
>> it wont be)
>>
>>
>> --
>> lucidimagination.com
>
>
>
> --
> lucidimagination.com
>
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