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From "Rory O'Donnell" <rory.odonn...@oracle.com>
Subject Re: JDK 16 is now in Rampdown Phase Two
Date Fri, 15 Jan 2021 12:15:27 GMT
Thanks for the feedback Jaikiran!

On 15/01/2021 12:12, Jaikiran Pai wrote:
> Hello Rory,
>
> I ran the Ant testsuite on a Linux setup against this JDK 16 build 
> 16-ea+32-2190. No issues were noticed. The regression that was 
> observed in the previous JDK 16 EA and was reported in 
> https://bugs.openjdk.java.net/browse/JDK-8258246, is no longer present 
> in this JDK 16 build.
>
> As for the JDK 17 build 17-ea+5-266, the above reported regression 
> continues to exist in that build (I guess because the JDK16 repo 
> changes haven't yet been merged to JDK master repo or perhaps this JDK 
> 17 build is older). No other issues observed in this version.
>
> The CI jobs are available for reference here:
>
> JDK 16 - 
> https://urldefense.com/v3/__https://ci-builds.apache.org/job/Ant/job/Ant*20Master*20(latest*20EA*20JDK)/jdk_axis=jdk16_ea,label_exp=ubuntu/64/__;JSUlJQ!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuxAm6Vdg$

>
> JDK 17 - 
> https://urldefense.com/v3/__https://ci-builds.apache.org/job/Ant/job/Ant*20Master*20(latest*20EA*20JDK)/jdk_axis=jdk17_ea,label_exp=ubuntu/64/__;JSUlJQ!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu83bWjgw$

>
>
> -Jaikiran
>
> On 15/01/21 2:31 pm, Rory O'Donnell wrote:
>> Hi Stefan/Jaikiran,
>>
>> *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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuwHgTLiI$

>>
>>  * 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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFutk_kIEs$

>>      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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuOAf6JiE$

>>      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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu81h_ulQ$

>>
>> Project Panama/foreign EA Build 16-panama+3-385 (2020/12/10) 
>> <https://urldefense.com/v3/__https://jdk.java.net/panama/__;!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu8dWMMmA$

>> > 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-dev@openjdk.java.net
>>    <panama-dev@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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuFKi4E08$

>>      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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFug6bej-I$

>>      o “The Foreign Linker API” with Maurizio Cimadamore and Jorn Vernee
>> https://urldefense.com/v3/__https://inside.java/2020/12/21/podcast-010/__;!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuuZIedpM$

>>
>> OpenJDK 17 Early Access build 5**is now available at 
>> https://urldefense.com/v3/__http://jdk.java.net/17__;!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuYWt0mUk$

>>
>>  * 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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFuOAf6JiE$

>>
>> 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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu1uCwQuY$

>> [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!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu-fw-YGo$

>> <https://urldefense.com/v3/__https://java.com/en/jre-jdk-cryptoroadmap.html__;!!GqivPVa7Brio!O8E43CAlEWF0L5A55pmrlAL2CFUOxq8t18b65_roSNuS311rY9SE7P9RvGFu-fw-YGo$

>> >
>>

-- 
Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland


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