thanks, Matthias :) 2019년 1월 2일 (수) 오후 11:22, Matthias J. Sax <matth...@confluent.io>님이 작성:
> 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 > > https://cwiki.apache.org/confluence/display/KAFKA/KIP-360%3A+Improve+handling+of+unknown+producer > > > -Matthias > > 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. > > > >