Trivial Description
Goal:
Return a specific error message like e.g. "Message without a key is not valid for a compacted topic" when trying to produce such a message instead of a CorruptRecordException.
> Yesterday we had the following exception:
>
> Exception thrown when sending a message with key='null' and payload='...'
> to topic sometopic:: org.apache.kafka.common.errors.CorruptRecordException:
> This message has failed its CRC checksum, exceeds the valid size, or is
> otherwise corrupt.
>
> The cause was identified with the help of
> https://stackoverflow.com/questions/49098274/kafka-stream-get-corruptrecordexception
>
> Is it possible / would it makes sense to open an issue to improve the error
> message for this case?
> A simple "Message without a key is not valid for a compacted topic" would
> suffice and point a user in the right direction.
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