[jira] [Created] (KAFKA-5308) TC should handle UNSUPPORTED_FOR_MESSAGE_FORMAT in WriteTxnMarker response

["Jason Gustafson (JIRA)" <ji...@apache.org>]

Jason Gustafson created KAFKA-5308:
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             Summary: TC should handle UNSUPPORTED_FOR_MESSAGE_FORMAT in WriteTxnMarker response
                 Key: KAFKA-5308
                 URL: https://issues.apache.org/jira/browse/KAFKA-5308
             Project: Kafka
          Issue Type: Sub-task
            Reporter: Jason Gustafson
            Priority: Blocker


It could be the case that one of the topics added to a transaction is on a lower message format version. Because of https://github.com/apache/kafka/pull/3118, the producer won't be able to send any data to that topic, but the TC will nevertheless try to write the commit/abort marker to the log. Like the Produce request, the WriteTxnMarker request should return the UNSUPPORTED_FOR_MESSSAGE_FORMAT error. Instead of retrying, we should log a warning and remove the partition from the set of partitions awaiting marker completion.



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