Hi all,
recently I've been wondering multiple times if we should just switch to
Java 11
as the minimum supported versions.

Reasons/benefits:

   - I believe most deployments are on Java 11 anyways
   - It simplifies our build, one less JDK to handle (we now try to support
   Java 8, 11 and 17)
   - google-java-format recent versions require Java 11, errorprone shows
   some misbehaviors on Java 8 and requires special setup
   - Among our dependencies, Wicket 9 also requires Java 11, not sure what
   else.
   - Can can start using some new API introduced after Java 11, like "var"
   for type inference, some handy new methods in Optional, a variety of new
   methods in streams, and support for creating maps, sets and lists with a
   single call (e..g Map.of(key, value)).

Disadvantages:

   - Java 8 is supported up until 2026 while Java 11 (so far at least) up
   until October 2024 <https://adoptium.net/support.html>. Switching now,
   we'd still get 3.5 years of support ahead of us.

I'm afraid that we'll have to get used to short LTSs anyways, Oracle is
proposing to go down to 2 years for LTSs:
https://www.infoq.com/news/2021/10/oracle-java-two-year-lts/

Cheers
Andrea

==

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Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions Group
phone: +39 0584 962313

fax:     +39 0584 1660272

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https://www.geosolutionsgroup.com/

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