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https://issues.apache.org/jira/browse/KAFKA-15491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17768739#comment-17768739
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Hao Li commented on KAFKA-15491:
--------------------------------
Fixing it in https://github.com/apache/kafka/pull/14415.
> RackId doesn't exist error while running WordCountDemo
> ------------------------------------------------------
>
> Key: KAFKA-15491
> URL: https://issues.apache.org/jira/browse/KAFKA-15491
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Luke Chen
> Priority: Major
>
> While running the WordCountDemo following the
> [docs|https://kafka.apache.org/documentation/streams/quickstart], I saw the
> following error logs in the stream application output. Though everything
> still works fine, it'd be better there are no ERROR logs in the demo app.
> {code:java}
> [2023-09-24 14:15:11,723] ERROR RackId doesn't exist for process
> e2391098-23e8-47eb-8d5e-ff6e697c33f5 and consumer
> streams-wordcount-e2391098-23e8-47eb-8d5e-ff6e697c33f5-StreamThread-1-consumer-adae58be-f5f5-429b-a2b4-67bf732726e8
>
> (org.apache.kafka.streams.processor.internals.assignment.RackAwareTaskAssignor)
> [2023-09-24 14:15:11,757] ERROR RackId doesn't exist for process
> e2391098-23e8-47eb-8d5e-ff6e697c33f5 and consumer
> streams-wordcount-e2391098-23e8-47eb-8d5e-ff6e697c33f5-StreamThread-1-consumer-adae58be-f5f5-429b-a2b4-67bf732726e8
>
> (org.apache.kafka.streams.processor.internals.assignment.RackAwareTaskAssignor)
> {code}
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