Fixed in Java 14.... Java 13 not released yet (but just around the corner). Most apps/people still on Java 8 that I see.

Hopefully it will be backported, but no guarantee. Rearguard works fine.

On Fri, 23 Aug 2019 at 20:41, Paul Eggert <eggert@cs.ucla.edu> wrote:

To work around the problem, see the last part of the tzdb announcement in:

https://mm.icann.org/pipermail/tz-announce/2019-July/000056.html

Also see:

https://bugs.openjdk.java.net/browse/JDK-8212970

where says there have been related some fixes on the Java side in the last few
weeks, though I don't know how this relates to TZUpdater. Also see:

https://mm.icann.org/pipermail/tz/2019-May/027972.html

for an earlier message about the issue.