I think it is a regression, since it was introduced in KAFKA-9437: KIP-559, which is in 2.5.0, so it means for the same scenario described in Boyang's PR, 2.5 would fail while 2.4 would not.
Guozhang On Fri, Mar 20, 2020 at 6:59 PM Ismael Juma <ism...@juma.me.uk> wrote: > Hi Boyang, > > Is this a regression? > > Ismael > > On Fri, Mar 20, 2020, 5:43 PM Boyang Chen <reluctanthero...@gmail.com> > wrote: > > > Hey David, > > > > I would like to raise https://issues.apache.org/jira/browse/KAFKA-9701 > as > > a > > 2.5 blocker. The impact of this bug is that it could throw fatal > exception > > and kill a stream thread on Kafka Streams level. It could also create a > > crashing scenario for plain Kafka Consumer users as well as the exception > > will be thrown all the way up. > > > > Let me know your thoughts. > > > > Boyang > > > > On Tue, Mar 17, 2020 at 8:10 AM David Arthur <mum...@gmail.com> wrote: > > > > > Hello Kafka users, developers and client-developers, > > > > > > This is the third candidate for release of Apache Kafka 2.5.0. > > > > > > * TLS 1.3 support (1.2 is now the default) > > > * Co-groups for Kafka Streams > > > * Incremental rebalance for Kafka Consumer > > > * New metrics for better operational insight > > > * Upgrade Zookeeper to 3.5.7 > > > * Deprecate support for Scala 2.11 > > > > > > > > > Release notes for the 2.5.0 release: > > > > https://home.apache.org/~davidarthur/kafka-2.5.0-rc2/RELEASE_NOTES.html > > > > > > *** Please download, test and vote by Tuesday March 24, 2020 by 5pm 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://home.apache.org/~davidarthur/kafka-2.5.0-rc2/ > > > > > > * Maven artifacts to be voted upon: > > > https://repository.apache.org/content/groups/staging/org/apache/kafka/ > > > > > > * Javadoc: > > > https://home.apache.org/~davidarthur/kafka-2.5.0-rc2/javadoc/ > > > > > > * Tag to be voted upon (off 2.5 branch) is the 2.5.0 tag: > > > https://github.com/apache/kafka/releases/tag/2.5.0-rc2 > > > > > > * Documentation: > > > https://kafka.apache.org/25/documentation.html > > > > > > * Protocol: > > > https://kafka.apache.org/25/protocol.html > > > > > > > > > I'm thrilled to be able to include links to both build jobs with > > successful > > > builds! Thanks to everyone who has helped reduce our flaky test > exposure > > > these past few weeks :) > > > > > > * Successful Jenkins builds for the 2.5 branch: > > > Unit/integration tests: > https://builds.apache.org/job/kafka-2.5-jdk8/64/ > > > System tests: > > > https://jenkins.confluent.io/job/system-test-kafka/job/2.5/42/ > > > > > > -- > > > David Arthur > > > > > > -- -- Guozhang
