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From Jaikiran Pai <jaiki...@apache.org>
Subject Re: JDK 16 is in Rampdown Phase One
Date Mon, 14 Dec 2020 09:11:31 GMT
Hello Rory,

There appears to be an regression in this build of JDK 16. One of our 
test classes[1] is consistently running into an exception of the form 
listed at the end of this mail. I have verified that this works fine 
with the JDK 15 and this isn't some issue with our CI infrastructure.

I am running more detailed tests to try and narrow this down to 
something that I can then report as a bug (if at all it is one). I'll do 
that as soon as I get the necessary details (unfortunately, I can't 
reproduce this locally).

The exception is of the form:


Caused by: java.lang.IllegalArgumentException: Error decoding percent 
encoded characters
     at java.base/sun.net.www.ParseUtil.decode(ParseUtil.java:215)
     at 
java.base/jdk.internal.loader.URLClassPath$FileLoader.<init>(URLClassPath.java:1196)
     at 
java.base/jdk.internal.loader.URLClassPath$3.run(URLClassPath.java:485)
     at 
java.base/jdk.internal.loader.URLClassPath$3.run(URLClassPath.java:479)
     at 
java.base/java.security.AccessController.doPrivileged(AccessController.java:691)
     at 
java.base/jdk.internal.loader.URLClassPath.getLoader(URLClassPath.java:478)
     at 
java.base/jdk.internal.loader.URLClassPath.getLoader(URLClassPath.java:447)
     at 
java.base/jdk.internal.loader.URLClassPath$1.next(URLClassPath.java:343)
     at 
java.base/jdk.internal.loader.URLClassPath$1.hasMoreElements(URLClassPath.java:354)
     at java.base/java.net.URLClassLoader$3$1.run(URLClassLoader.java:648)
     at java.base/java.net.URLClassLoader$3$1.run(URLClassLoader.java:646)
     at 
java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
     at java.base/java.net.URLClassLoader$3.next(URLClassLoader.java:645)
     at 
java.base/java.net.URLClassLoader$3.hasMoreElements(URLClassLoader.java:670)
     at java.base/java.lang.CompoundEnumeration.next(ClassLoader.java:2719)
     at 
java.base/java.lang.CompoundEnumeration.hasMoreElements(ClassLoader.java:2728)
     at 
java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.nextProviderClass(ServiceLoader.java:1202)
     at 
java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1220)
     at 
java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1264)
     at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1299)
     at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1383)
     at 
jdk.compiler/com.sun.tools.javac.api.BasicJavacTask.initPlugins(BasicJavacTask.java:219)
     at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:292)
     at jdk.compiler/com.sun.tools.javac.main.Main.compile(Main.java:176)
     at jdk.compiler/com.sun.tools.javac.Main.compile(Main.java:64)
     ... 45 more

[1] 
https://ci-builds.apache.org/job/Ant/job/Ant%20Master%20(latest%20EA%20JDK)/13/jdk_axis=jdk16_ea,label_exp=ubuntu/

-Jaikiran

On 13/12/20 10:00 pm, Rory O'Donnell wrote:
> Hi Stefan/Jaikiran,
>
> *Per the JDK 16 schedule , we are in Rampdown Phase One* *[1] .
> *
>
> *Please advise if you find any issues while testing the latest Early 
> Access builds.*
>
>  * Schedule for JDK 16
>      o *2020/12/10 Rampdown Phase One*
>      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 28**is now available at 
> http://jdk.java.net/16
>
>  * Features - the overall feature set is frozen. No further JEPs will
>    be targeted to this release.
>  * Significant Integrations in b28:
>      o *Integrated JEP 396: **Strongly Encapsulate JDK Internals by
>        Default <https://openjdk.java.net/jeps/396>**
>        *
>          + Strongly encapsulate all internal elements of the JDK by
>            default, except for critical internal APIs
>            <https://openjdk.java.net/jeps/260#Description> such as
>            |sun.misc.Unsafe|.
>          + Allow end users to choose the relaxed strong encapsulation
>            that has been the default since JDK 9.
>      o Integrated JEP 397: Sealed Classes (Second Preview)
>        <https://openjdk.java.net/jeps/397> with this release.
>          + Enhance the Java programming language with sealed classes
>            and interfaces
> <https://cr.openjdk.java.net/~briangoetz/amber/datum.html>.
>          + Refines JEP 360 <https://openjdk.java.net/jeps/360> which
>            was delivered in JDK 15 as a preview feature.
>
>  * 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 28
>          + JDK-8256299: JEP 396: Strongly Encapsulate JDK Internals by
>            Default
>          + JDK-8166596: TLS support for the EdDSA signature algorithm
>          + JDK-8256718: Old tracing flags are now obsolete and must be
>            replaced with unified logging
>      o Build 27
>          + JDK-8159746: (proxy) Support for default methods
>          + JDK-8254631: Better support ALPN byte wire values in SunJSSE
>
> Project Loom Early-Access: *Build 16-loom+9-316 
> <http://jdk.java.net/loom/>* (2020/11/30) - based on JDK-16+25 
> <https://github.com/openjdk/jdk/releases/tag/jdk-16%2B25>
>
>  * 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>
>  * These builds are intended for developers looking to "kick the tyres"
>    and provide feedback on using the API or by sending bug reports.
>  * Please send feedback via e-mail to loom-dev@openjdk.java.net
>    <mailto:loom-dev@openjdk.java.net>. To send e-mail to this address
>    you must first subscribe to the mailing list
>    <http://mail.openjdk.java.net/mailman/listinfo/loom-dev>.
>
> Rgds, Rory
>
> [1] 
> https://mail.openjdk.java.net/pipermail/jdk-dev/2020-December/004991.html
> [2] https://jdk.java.net/16/release-notes
>
>

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