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From "Matthias J. Sax" <matth...@confluent.io>
Subject Re: UnknownProducerIdException problems
Date Wed, 02 Jan 2019 14:22:37 GMT
This is a known issues, but you don't need to worry about it too much.
You can just create a new producer for this case an continue.

For more details see


On 1/2/19 1:05 AM, 이도현 wrote:
> I'm using kafka 1.1.1 and idempotent producer.
> UnknownProducerIdException occurs particular topics when it is a low
> traffic situation such as under 10 logs per day.
> Increasing the retention of the topics reduce the frequency of occurrence.
> ERROR [ReplicaManager broker=1] Error processing append operation on
> partition topic-9 (kafka.server.ReplicaManager)
> org.apache.kafka.common.errors.UnknownProducerIdException: Found no record
> of producerId=65002 on the broker. It is possible that the last message
> with the producerId=65002 has been removed due to hitting the retention
> limit.

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