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Posted to dev@kafka.apache.org by "Joel Koshy (JIRA)" <ji...@apache.org> on 2014/05/27 20:44:02 UTC

[jira] [Closed] (KAFKA-1365) Second Manual preferred replica leader election command always fails

     [ https://issues.apache.org/jira/browse/KAFKA-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Koshy closed KAFKA-1365.
-----------------------------


> Second Manual preferred replica leader election command always fails
> --------------------------------------------------------------------
>
>                 Key: KAFKA-1365
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1365
>             Project: Kafka
>          Issue Type: Bug
>          Components: controller, tools
>    Affects Versions: 0.8.1
>            Reporter: Ryan Berdeen
>            Assignee: Neha Narkhede
>            Priority: Critical
>             Fix For: 0.8.1.1
>
>         Attachments: KAFKA-1365.patch
>
>
> After running kafka-preferred-replica-election.sh once, a second run will fail with "Preferred replica leader election currently in progress for ...".
> The /admin/preferred_replica_election key is never deleted from ZooKeeper, because the "isTriggeredByAutoRebalance" parameter to onPreferredReplicaElection (https://github.com/apache/kafka/blob/0ffec142a991849833d9767be07e895428ccaea1/core/src/main/scala/kafka/controller/KafkaController.scala#L614) is used incorrectly. In the automatic case (https://github.com/apache/kafka/blob/0ffec142a991849833d9767be07e895428ccaea1/core/src/main/scala/kafka/controller/KafkaController.scala#L1119), it is set to false. In the manual case (https://github.com/apache/kafka/blob/0ffec142a991849833d9767be07e895428ccaea1/core/src/main/scala/kafka/controller/KafkaController.scala#L1266) the parameter is not passed, so it defaults to true.



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