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Posted to dev@wicket.apache.org by Rory O'Donnell <ro...@oracle.com> on 2021/04/20 12:26:22 UTC
Re: [External] : Re: JDK 17 Early Access build 18 is available
Thanks Martin!
On 20/04/2021 13:24, Martin Grigorov wrote:
> Hi Rory,
>
> Apache Wicket's build and test pass successfully with
> JDK 17-ea+18-1490 on Linux x86_64 and aarch64!
>
> Regards,
> Martin
>
> On Tue, Apr 20, 2021 at 1:05 PM Rory O'Donnell
> <rory.odonnell@oracle.com <ma...@oracle.com>> wrote:
>
>
> *Hi Martin, *
>
> *OpenJDK 17 Early Access build 18****is now available at
> **https://jdk.java.net/17
> <https://urldefense.com/v3/__https://jdk.java.net/17__;!!GqivPVa7Brio!J-qa-K0A0lOF7en46DXv1mviT3R2FlfIMxjhizO01gi4lDED0D0L5n8eS_vwe99M7bA$>
> <https://jdk.java.net/17
> <https://urldefense.com/v3/__https://jdk.java.net/17__;!!GqivPVa7Brio!J-qa-K0A0lOF7en46DXv1mviT3R2FlfIMxjhizO01gi4lDED0D0L5n8eS_vwe99M7bA$>>*
>
> * These early-access , open-source builds are provided under the
> o GNU General Public License, version 2, with the Classpath
> Exception <https://openjdk.java.net/legal/gplv2+ce.html
> <https://openjdk.java.net/legal/gplv2+ce.html>>
> * Release Notes are available at
> http://jdk.java.net/17/release-notes
> <https://urldefense.com/v3/__http://jdk.java.net/17/release-notes__;!!GqivPVa7Brio!J-qa-K0A0lOF7en46DXv1mviT3R2FlfIMxjhizO01gi4lDED0D0L5n8eS_vw3BE1oqQ$>
> <https://jdk.java.net/17/release-notes
> <https://urldefense.com/v3/__https://jdk.java.net/17/release-notes__;!!GqivPVa7Brio!J-qa-K0A0lOF7en46DXv1mviT3R2FlfIMxjhizO01gi4lDED0D0L5n8eS_vwy7DaRFE$>>
>
>
> **G1 pauses may be extremely long with EA build JDK-17+18*
>
> *During performance testing we noticed that due to a recent change
> (JDK-8262068) GC pauses after a G1 full GC may be extremely slow. The
> problem has been fixed with JDK-8264987 and that has already been
> integrated. This change will be available with the following EA build
> JDK-17+19. For more technical info please see [1]
>
>
> *JEP 382 [2]** - Starting with build 19, **JDK 17 for macOS is
> *temporarily* switched from using OpenGL**to using Apple's Metal
> API**for Java 2D rendering.*
>
> Heads up to anyone who is testing JDK 17 for running apps on macOS.
> Starting with build 19, JDK 17 for macOS is *temporarily* switched
> from
> using OpenGL to using Apple's Metal API for Java 2D rendering.
>
> If you are running any kind of 2D / Swing/ AWT UI application on
> macOS,
> and see any rendering related problems
> starting with JDK 17 b19, please do report them to us along with a
> test
> case and screen shots.
>
> You may also set "-Dsun.java2d.opengl=true" to re-enable OpenGL -
> which
> implicitly disables Metal - to confirm that it is a Metal related
> rendering glltch.
>
>
> Rgds,Rory
>
> [1]
> https://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2021-April/034745.html
> <https://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2021-April/034745.html>
> [2] https://openjdk.java.net/jeps/382
> <https://openjdk.java.net/jeps/382>
>
> --
> Rgds, Rory O'Donnell
> Quality Engineering Manager
> Oracle EMEA, Dublin, Ireland
>
--
Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland