Hi Lianet,

Thanks!

Let’s file a Jira for that test. This is not a blocker but we should fix it.

Regarding the quick start, are you sure that you used the staged
documentation for 4.0? Here:
https://kafka.apache.org/40/documentation.html

Best,
David

Le mer. 12 mars 2025 à 20:07, Lianet M. <liane...@gmail.com> a écrit :

> Hi David,
>
> I've tested the RC3 and this is what I've done so far and what I've found:
>
> - build from src kafka-4.0.0-src.tgz with Java 17
> - run unit test and integration tests
> - run client examples from the examples module (consume/produce/tx)
> - build clients with Java 11. Run client unit tests, integration tests, and
> examples as above
> - Followed the quickstart guide to start a broker
> - Played with command line tools to consume, produce, manage topics
> - Tried out the new regex validator tool
>
> All good with the above steps, with these findings:
>
> - When running unit and integration tests on the downloaded
> kafka-4.0.0-src.tgz, I got some failures that recovered as TengYao
> mentioned, but I noticed a persistent failure locally, in
> MetadataSchemaCheckerToolTest.testVerifyEvolutionGit. This test was added
> in 4.0, and requires a git repo setup, so fails with:
> *java.lang.RuntimeException:
> Invalid directory, need to be within a Git repository*. This means that
> building and running the tests straight from a downloaded kafka src folder
> doesn't work anymore. It used to work with previous versions (ie. 3.9, I
> checked again just in case), because this test didn't exist. If this was
> intentional I would expect we need to explain it somewhere, but can't find
> anything about it. Am I missing something?
> - The quickstart https://kafka.apache.org/quickstart still has sections to
> start/stop Zookeeper (same for Streams Quickstart).
> - Also the quickstart has invalid commands to format log directories and
> start the server (pointing to wrong server.properties location under
> /kraft). It's OK on the README.
>
> Best,
> Lianet
>
> On Wed, Mar 12, 2025 at 10:41 AM David Jacot <david.ja...@gmail.com>
> wrote:
>
> > Hi all,
> >
> > All the documentation blockers are now closed. Let's continue the
> > validation process. I don't expect to cut a new RC unless we find a
> > non-documentation blocker.
> >
> > Best,
> > David
> >
> > On Wed, Mar 12, 2025 at 3:37 PM David Jacot <david.ja...@gmail.com>
> wrote:
> > >
> > > Awesome, thanks! I just merged it.
> > >
> > > Best,
> > > David
> > >
> > > On Wed, Mar 12, 2025 at 3:33 PM 黃竣陽 <s7133...@gmail.com> wrote:
> > > >
> > > > Hello David,
> > > >
> > > > FYI, https://github.com/apache/kafka-site/pull/669 this PR resolve
> > “1.7 Compatibility” section is empty.
> > > >
> > > > Best,
> > > > Jiunn-Yang
> > > >
> > > > > David Jacot <david.ja...@gmail.com> 於 2025年3月12日 晚上10:15 寫道:
> > > > >
> > > > > Hi all,
> > > > >
> > > > > FYI - I just updated the documentation. The "1.7 Compatibility"
> > > > > section is empty. Looking into it.
> > > > >
> > > > > Best,
> > > > > David
> > > > >
> > > > > On Wed, Mar 12, 2025 at 1:51 PM David Jacot
> > <dja...@confluent.io.invalid> wrote:
> > > > >>
> > > > >> Hi,
> > > > >>
> > > > >> Thanks for pointing that out. I will update the documentation by
> > the end of
> > > > >> the day.
> > > > >>
> > > > >> Best,
> > > > >> David
> > > > >>
> > > > >> On Wed, Mar 12, 2025 at 1:15 PM TengYao Chi <kiting...@gmail.com>
> > wrote:
> > > > >>
> > > > >>> Hi Federico
> > > > >>>
> > > > >>> The issue you mentioned has been resolved by
> > > > >>> https://github.com/apache/kafka/pull/19146
> > > > >>>
> > > > >>> Best,
> > > > >>> TengYao
> > > > >>>
> > > > >>>
> > > > >>> Federico Valeri <fedeval...@gmail.com> 於 2025年3月12日 週三 下午7:32寫道:
> > > > >>>
> > > > >>>> Hi David, in the doc menu I see the item "1.6 Differences
> Between
> > > > >>>> KRaft mode and ZooKeeper mode", but paragraph 1.6 talks about
> > Docker.
> > > > >>>> Is this supposed to be there?
> > > > >>>>
> > > > >>>> On Wed, Mar 12, 2025 at 10:56 AM Luke Chen <show...@gmail.com>
> > wrote:
> > > > >>>>>
> > > > >>>>> Hi David,
> > > > >>>>>
> > > > >>>>> Thanks for the analysis.
> > > > >>>>>
> > > > >>>>>> * kafkatest.tests.connect.connect_distributed_test - These
> > tests are
> > > > >>>> flaky
> > > > >>>>> in our test infrastructure but they pass locally.
> > > > >>>>>
> > > > >>>>> If they can be passed locally, it should be fine.
> > > > >>>>>
> > > > >>>>>> * kafkatest.tests.core.network_degrade_test - This is not a
> > blocker
> > > > >>> as
> > > > >>>> it
> > > > >>>>> does not test any Kafka bits besides Trogdor.
> > > > >>>>>
> > > > >>>>> Hmm... from the test description, it is indeed not related to
> > kafka
> > > > >>>> itself.
> > > > >>>>> But since we did huge change in this release, I'd like to be
> more
> > > > >>>> careful.
> > > > >>>>> I'll try to run this test suite in our internal environment
> > again and
> > > > >>>>> report the results here.
> > > > >>>>>
> > > > >>>>>> * kafkatest.tests.tools.replica_verification_test - It has
> been
> > > > >>> failing
> > > > >>>>> for
> > > > >>>>> a while. The tool is deprecated and not really used so I don't
> > consider
> > > > >>>> it
> > > > >>>>> as a blocker. However, there is already a PR inflight to
> improve
> > it.
> > > > >>>>>
> > > > >>>>> Sounds good to me.
> > > > >>>>>
> > > > >>>>>
> > > > >>>>> Thanks.
> > > > >>>>> Luke
> > > > >>>>>
> > > > >>>>> On Tue, Mar 11, 2025 at 6:16 PM David Jacot
> > > > >>> <dja...@confluent.io.invalid
> > > > >>>>>
> > > > >>>>> wrote:
> > > > >>>>>
> > > > >>>>>> Hi Luke,
> > > > >>>>>>
> > > > >>>>>> +1 for backporting https://github.com/apache/kafka/pull/19172
> .
> > > > >>>>>>
> > > > >>>>>> Regarding the system tests, here is my take:
> > > > >>>>>> * kafkatest.tests.connect.connect_distributed_test - These
> > tests are
> > > > >>>> flaky
> > > > >>>>>> in our test infrastructure but they pass locally.
> > > > >>>>>> * kafkatest.tests.core.network_degrade_test - This is not a
> > blocker
> > > > >>> as
> > > > >>>> it
> > > > >>>>>> does not test any Kafka bits besides Trogdor.
> > > > >>>>>> * kafkatest.tests.tools.replica_verification_test - It has
> been
> > > > >>>> failing for
> > > > >>>>>> a while. The tool is deprecated and not really used so I don't
> > > > >>>> consider it
> > > > >>>>>> as a blocker. However, there is already a PR inflight to
> > improve it.
> > > > >>>>>>
> > > > >>>>>> Overall, system tests look pretty good to me. Do you agree?
> > > > >>>>>>
> > > > >>>>>> Best,
> > > > >>>>>> David
> > > > >>>>>>
> > > > >>>>>> On Tue, Mar 11, 2025 at 8:53 AM Luke Chen <show...@gmail.com>
> > wrote:
> > > > >>>>>>
> > > > >>>>>>> Hi David,
> > > > >>>>>>>
> > > > >>>>>>> I saw there are some failed tests in system test
> > > > >>>>>>> <
> > > > >>>>>>>
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> >
> https://confluent-open-source-kafka-branch-builder-system-test-results.s3-us-west-2.amazonaws.com/trunk/2025-03-06--001.ccab7b98-edaa-40c5-b33d-de1650ea767c--1741313025--apache--4.0--43897f84ac/report.html
> > > > >>>>>>>> ,
> > > > >>>>>>> what does that mean for this RC?
> > > > >>>>>>> Are they blockers? Should we file JIRA issues to fix them?
> > > > >>>>>>>
> > > > >>>>>>> Also, I'd like to backport this upgrade doc improvement PR
> > > > >>>>>>> <https://github.com/apache/kafka/pull/19172>to 4.0 branch if
> > you
> > > > >>>> don't
> > > > >>>>>>> have
> > > > >>>>>>> objections.
> > > > >>>>>>>
> > > > >>>>>>> Thanks.
> > > > >>>>>>> Luke
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>>>> On Mon, Mar 10, 2025 at 5:52 PM David Jacot
> > > > >>>> <dja...@confluent.io.invalid
> > > > >>>>>>>
> > > > >>>>>>> wrote:
> > > > >>>>>>>
> > > > >>>>>>>> Hi Chia-Ping,
> > > > >>>>>>>>
> > > > >>>>>>>> Thanks. I will update the documentation soon.
> > > > >>>>>>>>
> > > > >>>>>>>> Best,
> > > > >>>>>>>> David
> > > > >>>>>>>>
> > > > >>>>>>>> On Sun, Mar 9, 2025 at 2:43 AM Chia-Ping Tsai <
> > > > >>> chia7...@apache.org
> > > > >>>>>
> > > > >>>>>>> wrote:
> > > > >>>>>>>>
> > > > >>>>>>>>> hi David
> > > > >>>>>>>>>
> > > > >>>>>>>>> I have cherry-pick
> > https://github.com/apache/kafka/pull/19146
> > > > >>>> to 4.0
> > > > >>>>>>> to
> > > > >>>>>>>>> fix the link of https://kafka.apache.org/40/zk2kraft
> > > > >>>>>>>>>
> > > > >>>>>>>>> Best,
> > > > >>>>>>>>> Chia-Ping
> > > > >>>>>>>>>
> > > > >>>>>>>>> On 2025/03/08 10:08:24 David Jacot wrote:
> > > > >>>>>>>>>> Hello Kafka users, developers and client-developers,
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> This is the third candidate for release of Apache Kafka
> > > > >>> 4.0.0.
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> - This is the first release without Apache Zookeeper
> > > > >>>>>>>>>> - The Next Generation of the Consumer Rebalance Protocol
> is
> > > > >>>>>> Generally
> > > > >>>>>>>>> Available
> > > > >>>>>>>>>> - The Transactions Server-Side Defense (Phase 2) is
> > Generally
> > > > >>>>>>> Available
> > > > >>>>>>>>>> - Queues for Kafka is in Early Access
> > > > >>>>>>>>>> - Kafka uses log4j2
> > > > >>>>>>>>>> - Drop broker and tools support for Java 11
> > > > >>>>>>>>>> - Remove old client protocol API versions
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> Release notes for the 4.0.0 release:
> > > > >>>>>>>>>>
> > > > >>>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> >
> https://dist.apache.org/repos/dist/dev/kafka/4.0.0-rc3/RELEASE_NOTES.html
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> *** Please download, test and vote by Wed, March 12 9am PT
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> 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://dist.apache.org/repos/dist/dev/kafka/4.0.0-rc3/
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Docker release artifacts to be voted upon:
> > > > >>>>>>>>>> apache/kafka:4.0.0-rc3
> > > > >>>>>>>>>> apache/kafka-native:4.0.0-rc3
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Maven artifacts to be voted upon:
> > > > >>>>>>>>>>
> > > > >>>>>>>
> > > > >>>>
> > https://repository.apache.org/content/groups/staging/org/apache/kafka/
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Javadoc:
> > > > >>>>>>>>>>
> > > > >>>> https://dist.apache.org/repos/dist/dev/kafka/4.0.0-rc3/javadoc/
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Tag to be voted upon (off 4.0 branch) is the 4.0.0 tag:
> > > > >>>>>>>>>> https://github.com/apache/kafka/releases/tag/4.0.0-rc3
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Documentation:
> > > > >>>>>>>>>> https://kafka.apache.org/40/documentation.html
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Protocol:
> > > > >>>>>>>>>> https://kafka.apache.org/40/protocol.html
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Successful CI builds for the 4.0 branch:
> > > > >>>>>>>>>> Unit/integration tests:
> > > > >>>>>>>>> https://github.com/apache/kafka/actions/runs/13730048850
> > > > >>>>>>>>>> System tests:
> > > > >>>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> >
> https://confluent-open-source-kafka-branch-builder-system-test-results.s3-us-west-2.amazonaws.com/trunk/2025-03-06--001.ccab7b98-edaa-40c5-b33d-de1650ea767c--1741313025--apache--4.0--43897f84ac/report.html
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> * Successful Docker Image Github Actions Pipeline for 4.0
> > > > >>>> branch:
> > > > >>>>>>>>>> Docker Build Test Pipeline (JVM):
> > > > >>>>>>>>>> https://github.com/apache/kafka/actions/runs/13735818889
> > > > >>>>>>>>>> Docker Build Test Pipeline (Native):
> > > > >>>>>>>>>> https://github.com/apache/kafka/actions/runs/13735821944
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> /**************************************
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> Thanks,
> > > > >>>>>>>>>> David Jacot
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> PS: I used RC3 instead of RC2 by mistake.
> > > > >>>>>>>>>>
> > > > >>>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> > > >
> >
>

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