Thanks for the feedback Mark!
On 18/01/2021 09:47, Mark Thomas wrote:
Tomcat 10.0.x (latest development) builds and all tests pass with JDK 16
EA build 32.
Mark
On 15/01/2021 09:36, Rory O'Donnell wrote:
Hi Mark,
*Per the JDK 16 schedule , we are in Rampdown Phase Two* *[1] .
*
*Please advise if you find any issues while testing the latest Early
Access builds.*
* Schedule for JDK 16
o *2021/01/14 Rampdown Phase Two*
o 2021/02/04 Initial Release Candidate
o 2021/02/18 Final Release Candidate
o 2021/03/16 General Availability
* Release Notes [2]
OpenJDK 16 Early Access build 32**is now available at
https://urldefense.com/v3/__http://jdk.java.net/16__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAgdnC6Hs$
* These early-access, open-source builds are provided under the GNU
General Public License, version 2, with the Classpath Exception
<http://openjdk.java.net/legal/gplv2+ce.html>.
* Features [3] - the overall feature set is frozen. No further JEPs
will be targeted to this release.
* Changes in recent builds that maybe of interest:
o Build 32:
+ JDK-8259028 - ClassCastException when using custom
filesystem with wrapper FileChannel impl
# Apache Lucene found.
+ JDK-8253996 - Javac error on jdk16 build 18: invalid flag:
-Xdoclint:-missing
# Apache Zookeeper found.
o Build 31:
+ JDK-8259027: NullPointerException in makeMappedSegment due
to NULL Unmapper when length of segment is 0
# Reported by Apache Lucene
o Build 30:
+ JDK-8254023: A module declaration is not allowed to be a
target of an annotation that lacks an @Target
meta-annotation
# Reported by JUnit5
+ JDK-8256693: getAnnotatedReceiverType parameterizes types
too eagerly
* JDK 16 - topics of interest
o Investigating MD5 overheads:
https://urldefense.com/v3/__https://cl4es.github.io/2021/01/04/Investigating-MD5-Overheads.html__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAZMwXA3I$
o Towards OpenJDK 17 - a quick update on startup performance
https://urldefense.com/v3/__https://cl4es.github.io/2020/12/06/Towards-OpenJDK-17.html__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHARyBC8ag$
o Migrating OpenJDK to Git & GitHub - GitHub Universe 2020 session
replay
https://urldefense.com/v3/__https://inside.java/2020/12/11/skara-github-universe/__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHABw8U3nc$
Project Panama/foreign EA Build 16-panama+3-385 (2020/12/10)
<
https://urldefense.com/v3/__https://jdk.java.net/panama/__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHApBH3NSA$
is available now [4]
* What's new
o jextract is now fully compatible with Java 16
o New architecture based on Foreign-Memory Access API (JEP 370
<https://openjdk.java.net/jeps/370>, JEP 383
<https://openjdk.java.net/jeps/383>, JEP 393
<https://openjdk.java.net/jeps/393>) and Foreign Linker API
(JEP
389 <https://openjdk.java.net/jeps/389>)
* These early-access builds are provided under the GNU General Public
License, version 2, with the Classpath Exception
<http://openjdk.java.net/legal/gplv2+ce.html>
* EA builds are produced for the purpose of gathering feedback. Use
for any other purpose is at your own risk.
* Please send feedback via e-mail to panama-...@openjdk.java.net
<panama-...@openjdk.java.net>. To send e-mail to this address you
must first subscribe to the mailing list
<https://mail.openjdk.java.net/mailman/listinfo/panama-dev>.
* Project Panama - topics of interest
o “The Vector API” with John Rose and Paul Sandoz
https://urldefense.com/v3/__https://inside.java/2020/11/17/podcast-007/__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHA9L2EXQ4$
o “The Foreign Memory Access API” with Maurizio Cimadamore and
Jorn Vernee
https://urldefense.com/v3/__https://inside.java/2020/12/11/podcast-009/__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAnvz2-Oc$
o “The Foreign Linker API” with Maurizio Cimadamore and Jorn
Vernee
https://urldefense.com/v3/__https://inside.java/2020/12/21/podcast-010/__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAQGR1yq8$
OpenJDK 17 Early Access build 5**is now available at
https://urldefense.com/v3/__http://jdk.java.net/17__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAiB7otXs$
* These early-access, open-source builds are provided under the GNU
General Public License, version 2, with the Classpath Exception
<http://openjdk.java.net/legal/gplv2+ce.html>.
* Changes in recent builds that maybe of interest:
o Build 4:
+ JDK-8258800: Deprecate -XX:+AlwaysLockClassLoader
o Build 3:
+ JDK-8246005: KeyStoreSpi::engineStore(LoadStoreParameter)
spec mismatch to its behavior
+ JDK-8258765: getAnnotatedReceiverType parameterizes types
too eagerly
* JDK 17 - topic of interest
o Towards OpenJDK 17 - a quick update on startup performance:
+
https://urldefense.com/v3/__https://cl4es.github.io/2020/12/06/Towards-OpenJDK-17.html__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHARyBC8ag$
Java Cryptographic Roadmap [5] has been updated
* Removing root certificates with 1024-bit keys in July 2021 CPU.
* Disabling of SHA-1 JARS signed after 2019-01-01 has been postponed
to July 2021 CPU.
Rgds, Rory
[1]
https://mail.openjdk.java.net/pipermail/jdk-dev/2021-January/005001.html
[2]
https://urldefense.com/v3/__https://jdk.java.net/16/release-notes__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHAIvMmmMY$
[3] http://openjdk.java.net/projects/jdk/16/
<http://openjdk.java.net/projects/jdk/16/>
[4]
https://mail.openjdk.java.net/pipermail/panama-dev/2020-December/011605.html
<
https://mail.openjdk.java.net/pipermail/panama-dev/2020-December/011605.html
[5]
https://urldefense.com/v3/__https://java.com/en/jre-jdk-cryptoroadmap.html__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHA3c77Rbo$
<
https://urldefense.com/v3/__https://java.com/en/jre-jdk-cryptoroadmap.html__;!!GqivPVa7Brio!Nv1DW1Db-7-N0XcwVgvF2fjmrY_bOqBMV7aGnIRV1EwhV0FODpsxIxBUQVHA3c77Rbo$
--
Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland
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