Subject: [VOTE] 2.8.0 RC1

[John Roesler]

Hello Kafka users, developers and client-developers,

This is the second candidate for release of Apache Kafka
2.8.0. This is a major release that includes many new
features, including:

* Early-access release of replacing Zookeeper with a self-
managed quorum
* Add Describe Cluster API
* Support mutual TLS authentication on SASL_SSL listeners
* Ergonomic improvements to Streams TopologyTestDriver
* Logger API improvement to respect the hierarchy
* Request/response trace logs are now JSON-formatted
* New API to add and remove Streams threads while running
* New REST API to expose Connect task configurations
* Fixed the TimeWindowDeserializer to be able to deserialize
keys outside of Streams (such as in the console consumer)
* Streams resilient improvement: new uncaught exception
handler
* Streams resilience improvement: automatically recover from
transient timeout exceptions




Release notes for the 2.8.0 release:
https://home.apache.org/~vvcephei/kafka-2.8.0-rc1/RELEASE_NOTES.html


*** Please download, test and vote by 6 April 2021 ***

Kafka's KEYS file containing PGP keys we use to sign the
release:
https://kafka.apache.org/KEYS

* Release artifacts to be voted upon (source and binary):

https://home.apache.org/~vvcephei/kafka-2.8.0-rc1/

* Maven artifacts to be voted upon:
https://repository.apache.org/content/groups/staging/org/apache/kafka/

* Javadoc:

https://home.apache.org/~vvcephei/kafka-2.8.0-rc1/javadoc/

* Tag to be voted upon (off 2.8 branch) is the 2.8.0 tag:

https://github.com/apache/kafka/releases/tag/2.8.0-rc1

* Documentation:
https://kafka.apache.org/28/documentation.html

* Protocol:
https://kafka.apache.org/28/protocol.html


/**************************************

Thanks,
John

[Israel Ekpo]

Hello John,

Thanks for running the release for 2.8.0

I was reviewing the request for validation for 2.8.0 RC1 it appears that the deadline to complete testing/validation by the community is 6th April 2021

Same day delivery :)

I think you meant to say Tuesday, April 13 2021 instead. 

Could we assume that was just a carry over from the previous solicitation for 2.8.0 RC0 and you actually meant to say 2021-04-13?

When you have a moment, please clarify. 

I am running my tests shortly and will share my results by the end of the week.

Thanks.

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[Bill Bejeck]

Hi John,

Thanks for running the 2.8.0 release!

I've started to validate it and noticed the site-docs haven't been installed to https://kafka.apache.org/28/documentation.html yet.

Thanks again!

-Bill 

On Tue, Apr 6, 2021 at 5:37 PM John Roesler <vvce...@apache.org> wrote:

[Israel Ekpo]

I just noticed that with the latest release candidate, the binaries from the Scala 2.13 and 2.12 tarballs are not finding the class for the meta data shell

https://home.apache.org/~vvcephei/kafka-2.8.0-rc1/

It looks like kafka-run-class.sh is not able to load it.

Is this a known issue? Should I open an issue to track it?

isekpo@MININT-5RPA920:/mnt/c/Users/isekpo/kafka_2.12-2.8.0$ bin/kafka-metadata-shell.sh --help
Error: Could not find or load main class org.apache.kafka.shell.MetadataShell
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.shell.MetadataShell

isekpo@MININT-5RPA920:/mnt/c/Users/isekpo/kafka_2.12-2.8.0$ cd ../kafka_2.13-2.8.0/

isekpo@MININT-5RPA920:/mnt/c/Users/isekpo/kafka_2.13-2.8.0$ bin/kafka-metadata-shell.sh --help
Error: Could not find or load main class org.apache.kafka.shell.MetadataShell
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.shell.MetadataShell

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[Israel Ekpo]

No problem, I will assign in to you shortly.

https://issues.apache.org/jira/browse/KAFKA-12658

On Mon, Apr 12, 2021 at 8:47 PM John Roesler <vvce...@apache.org> wrote:

Good catch, Israel!

I’ll make sure that gets fixed.

Thanks,
John

> > <https://groups.google.com/d/msgid/kafka-clients/CAF7WS%2BrK%3DWMyM3bamNoxa9L-onZbw6UnJFASx0ZO5ywzj38WvA%40mail.gmail.com?utm_medium=email&utm_source=footer>
> > .
> >
>

[John Roesler]

Thanks for the feedback, all.

I am now closing this vote thread in favor of the vote on 2.8.0 RC2.

Thanks,

John

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