Hi, David, We just fixed https://issues.apache.org/jira/browse/KAFKA-18864. Not sure if you want to cherry-pick it to 4.0.
Thanks, Jun On Thu, Feb 27, 2025 at 7:22 PM Ismael Juma <m...@ismaeljuma.com> wrote: > Thanks for the testing Kirk. Can you please file an issue for the repeated > log to make sure it doesn't get lost in this thread? > > Ismael > > On Thu, Feb 27, 2025 at 2:54 PM Kirk True <k...@kirktrue.pro> wrote: > > > Hi David, > > > > I focused on testing the clients using Java 11: > > > > My steps: > > > > 1. Start the broker via the native Docker image > > (apache/kafka-native:4.0.0-rc0) > > 2. Wrote a simple client to write and read messages, using kafka-clients > > 4.0.0 from https://repository.apache.org/content/groups/staging > > 3. Ran my client with group.protocol set to CLASSIC > > 4. I then ran the client with CONSUMER > > 5. Finally, I ran two clients instances in the same consumer group, one > > with a group.protocol set to CLASSIC and the other with CONSUMER > > > > Everything worked as expected. > > > > I did notice the following message showing up repeatedly in the broker > > logs after my tests completed: > > > > Generated 0 tombstone records while cleaning up group metadata in 0 > > milliseconds. (org.apache.kafka.coordinator.group.GroupCoordinatorShard) > > > > Not sure if that's expected or not. > > > > Thanks, > > Kirk > > > > On Wed, Feb 26, 2025, at 5:15 PM, Chia-Ping Tsai wrote: > > > hi David > > > > > > I apologize for not testing the release candidate (RC) as I focused on > > reviewing the documentation. I have created tickets to address issues in > > the documentation [0][1][2][3], which will be merged into 4.0 as the risk > > is minimal. > > > > > > Please let me know if you have any other options for those tickets. > > > > > > [0] https://issues.apache.org/jira/browse/KAFKA-18869 > > > [1] https://issues.apache.org/jira/browse/KAFKA-18868 > > > [2] https://issues.apache.org/jira/browse/KAFKA-18850 > > > [3] https://issues.apache.org/jira/browse/KAFKA-18849 > > > > > > Best, > > > Chia-Ping > > > > > > On 2025/02/22 10:16:43 David Jacot wrote: > > > > Hello Kafka users, developers and client-developers, > > > > > > > > This is the first candidate for release of Apache Kafka 4.0.0. We > > > > still have some remaining blockers but we figured that getting a > first > > > > release candidate will help the community to test this major release. > > > > > > > > - 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-rc0/RELEASE_NOTES.html > > > > > > > > *** Please download and test the release. Voting is not necessary as > > > > we still have blockers. > > > > > > > > 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-rc0/ > > > > > > > > * Docker release artifacts to be voted upon: > > > > apache/kafka:4.0.0-rc0 > > > > apache/kafka-native:4.0.0-rc0 (Building the native image failed, I > > > > need to investigate it) > > > > > > > > * 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-rc0/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-rc0 > > > > > > > > * 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/13459676207 > > > > System tests: TBD > > > > > > > > * Successful Docker Image Github Actions Pipeline for 4.0 branch: > > > > Docker Build Test Pipeline (JVM): > > > > https://github.com/apache/kafka/actions/runs/13471603921 > > > > Docker Build Test Pipeline (Native): > > > > https://github.com/apache/kafka/actions/runs/13471605941 > > > > > > > > /************************************** > > > > > > > > Thanks, > > > > David > > > > > > > > > >
