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https://issues.apache.org/jira/browse/KAFKA-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mickael Maison resolved KAFKA-1407.
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Resolution: Won't Fix
We are now removing ZooKeeper support so closing this issue.
> Broker can not return to ISR because of BadVersionException
> -----------------------------------------------------------
>
> Key: KAFKA-1407
> URL: https://issues.apache.org/jira/browse/KAFKA-1407
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.8.1, 2.4.1
> Reporter: Dmitry Bugaychenko
> Assignee: Neha Narkhede
> Priority: Critical
>
> Each morning we found a broker out of ISR at stuck with log full of messages:
> {code}
> INFO | jvm 1 | 2014/04/21 08:36:21 | [2014-04-21 09:36:21,907] ERROR
> Conditional update of path /brokers/topics/topic2/partitions/1/state with
> data
> {"controller_epoch":46,"leader":2,"version":1,"leader_epoch":38,"isr":[2]}
> and expected version 53 failed due to
> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode =
> BadVersion for /brokers/topics/topic2/partitions/1/state
> (kafka.utils.ZkUtils$)
> INFO | jvm 1 | 2014/04/21 08:36:21 | [2014-04-21 09:36:21,907] INFO
> Partition [topic2,1] on broker 2: Cached zkVersion [53] not equal to that in
> zookeeper, skip updating ISR (kafka.cluster.Partition)
> {code}
> It seems that it can not recover after short netwrok break down and the only
> way to return it is restart it using kill -9.
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