[
https://issues.apache.org/jira/browse/KAFKA-9739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17075183#comment-17075183
]
ASF GitHub Bot commented on KAFKA-9739:
---------------------------------------
bbejeck commented on pull request #8419: KAFKA-9739: 2.3 null child node fix
URL: https://github.com/apache/kafka/pull/8419
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
> StreamsBuilder.build fails with StreamsException "Found a null
> keyChangingChild node for OptimizableRepartitionNode"
> --------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-9739
> URL: https://issues.apache.org/jira/browse/KAFKA-9739
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 2.3.0, 2.4.0, 2.4.1
> Reporter: Artur Poliachenko
> Assignee: Bill Bejeck
> Priority: Major
> Fix For: 2.3.2, 2.6.0, 2.4.2, 2.5.1
>
> Attachments: streams-exception-log.txt,
> topology-definition-fragment.java, topology-description.txt
>
>
> We created a topology using Streams DSL (topology description is available in
> the attached topology-description.txt, no optimization).
> Topology works fine with {{topology.optimization=none}}, however it fails to
> build with StreamsException "Found a null keyChangingChild node for
> OptimizableRepartitionNode" if we set {{topology.optimization=all}}
> (exception stack trace is attached streams-exception-log.txt).
> We used [https://zz85.github.io/kafka-streams-viz/] to visualize topology and
> try to guess what might be upsetting optimizer, yet did not manage to figure
> it out ourselves.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
