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https://issues.apache.org/jira/browse/KAFKA-19540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18043105#comment-18043105
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Matthias J. Sax commented on KAFKA-19540:
-----------------------------------------
Just as FYI. After `group.coordinator.rebalance.protocol` configs got removed
(with AK 5.0), this ticket would become void.
> Fix incorrect error message
> ---------------------------
>
> Key: KAFKA-19540
> URL: https://issues.apache.org/jira/browse/KAFKA-19540
> Project: Kafka
> Issue Type: Sub-task
> Components: group-coordinator, streams
> Affects Versions: 4.1.0
> Reporter: Matthias J. Sax
> Assignee: Ming-Yen Chung
> Priority: Minor
>
> When the new `streams.group` feature is enabled broker side, but
> `group.coordinator.rebalance.protocols` config does disable "streams"
> protocol, the client side error message is misleading:
> {code:java}
> rg.apache.kafka.common.errors.UnsupportedVersionException: The cluster does
> not support the STREAMS group protocol or does not support the versions of
> the STREAMS group protocol used by this client (used versions: 0 to 0). {code}
> We should take a look to see if we can improve the error message. (Might not
> be possible easily).
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