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https://issues.apache.org/jira/browse/KAFKA-5504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manikumar resolved KAFKA-5504.
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Resolution: Not A Problem
Closing as per above comments.
> Kafka controller is not getting elected
> ---------------------------------------
>
> Key: KAFKA-5504
> URL: https://issues.apache.org/jira/browse/KAFKA-5504
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.9.0.1
> Reporter: Ashish Kumar
> Priority: Major
>
> I am having a kafka cluster of 20 nodes and I was facing the issue of
> under-replicated topics issue for last few days so decided to restart the
> broker which was working as a controller but after restart getting below logs
> in all the brokers (It seems controller is not finalized and leader election
> is happening continuously):
> [2017-06-23 02:59:50,388] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:50,396] INFO New leader is 12
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:50,410] INFO Rolled new log segment for
> 'dpe_feedback_rating_history-4' in 0 ms. (kafka.log.Log)
> [2017-06-23 02:59:51,585] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:51,590] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:51,609] INFO New leader is 11
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:52,792] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:52,799] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:52,808] INFO New leader is 12
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:54,122] INFO New leader is 3
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:55,504] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:55,512] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:55,520] INFO New leader is 11
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:56,695] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:56,701] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:56,709] INFO New leader is 11
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:57,949] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:57,955] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:57,965] INFO New leader is 12
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> [2017-06-23 02:59:59,378] INFO Creating /controller (is it secure? false)
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:59,384] INFO Result of znode creation is: NODEEXISTS
> (kafka.utils.ZKCheckedEphemeral)
> [2017-06-23 02:59:59,395] INFO New leader is 12
> (kafka.server.ZookeeperLeaderElector$LeaderChangeListener)
> .
> .
> .
> Tried deleting controller znode (/controller) but no luck. Please let me know
> if any fix is possible here.
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