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Posted to users@kafka.apache.org by Yifan Ying <na...@gmail.com> on 2016/04/09 08:18:47 UTC

conflicted ephemeral node in Kafka Consumer(0.8.2.1)

Hi,

We are seeing these logs constantly:

ZkUtils$:68 - conflict in /consumers/.....

ZkUtils$:68 - I wrote this conflicted ephemeral node ...  a while back in a
different session, hence I will backoff for this node to be deleted by
Zookeeper and retry


As a result, some partitions lose consumers sometimes(when using
kafka-consumer-offset-checker.sh) and these consumers will come back next
time the consumer client is able to register in Zookeeper. We tried to
increase zookeeper.session.timeout.ms from 6000(default) to 15000, but it
didn't seem resolve the problem.


Anyone has seen this issue in 0.8.2.1?
-- 
Yifan