Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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Description
In KAFKA-7296, we fixed a bug which causes the producer to enter a fatal state when the COORDINATOR_LOADING_IN_PROGRESS error is received. The impact of this bug in streams was that the application would crash. Generally we want users to upgrade to a later client version, but in some cases, this takes a long time. I am suggesting here that we revert the behavior change on the broker for older versions of TxnOffsetCommit. For versions older than 2 (which was introduced in 2.3), rather than returning COORDINATOR_LOADING_IN_PROGRESS, we can return COORDINATOR_NOT_AVAILABLE.
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