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https://issues.apache.org/jira/browse/KAFKA-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Koshy closed KAFKA-1365.
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> 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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