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https://issues.apache.org/jira/browse/KAFKA-18060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17900015#comment-17900015
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Kuan Po Tseng edited comment on KAFKA-18060 at 11/21/24 12:05 PM:
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This was observed when we reviewing the issue KAFKA-17964 and KAFKA-17961
We noticed that after switching those 2 test case into CONSUMER group protocol,
in ConsumerGroup#validateOffsetCommit
the members is not empty and there already has one member, while the member id
is empty.
was (Author: brandboat):
This was observed when we reviewing the issue KAFKA-17964 and KAFKA-17961
We noticed that after switching those 2 test case into CONSUMER group protocol,
in ConsumerGroup#validateTransactionalOffsetCommit the members is not empty and
there already has one member, while the member id is empty.
> new coordinator does not support v0-v2 TxnOffsetCommitRequest when using
> CONSUMER group
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-18060
> URL: https://issues.apache.org/jira/browse/KAFKA-18060
> Project: Kafka
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Blocker
> Fix For: 4.0.0
>
>
> TxnOffsetCommitRequest versions v0-v2 do not include a member ID, causing
> ConsumerGroup#validateOffsetCommit [0] to throw an UnknownMemberIdException.
> This prevents the old producer from calling sendOffsetsToTransaction.
> Note that TxnOffsetCommitRequest versions v0-v2 are included in KIP-896 [1],
> so it seems the new coordinator should support that operations
> [0]
> https://github.com/apache/kafka/blob/trunk/group-coordinator/src/main/java/org/apache/kafka/coordinator/group/modern/consumer/ConsumerGroup.java#L517
> [1]
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-896%3A+Remove+old+client+protocol+API+versions+in+Kafka+4.0
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