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https://issues.apache.org/jira/browse/KAFKA-17492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17879865#comment-17879865
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Chia-Ping Tsai commented on KAFKA-17492:
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error message (register 3.9 broker to 3.8 controller)
{code:java}
[2024-09-06 12:53:06,324] INFO [QuorumController id=2] registerBroker: event
failed with UnsupportedVersionException in 169 microseconds. Exception message:
Unable to register because the broker does not support version 0 of
kraft.version. It wants a version between 1 and 1, inclusive.
(org.apache.kafka.controller.QuorumController) {code}
> Can't register 3.9+ broker to 3.8 controller since 3.8 controller assume the
> default version of feature is zero
> ---------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-17492
> URL: https://issues.apache.org/jira/browse/KAFKA-17492
> Project: Kafka
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Blocker
>
> see discussion:
> https://github.com/apache/kafka/pull/16421#discussion_r1745300168
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