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

["Ryan Berdeen (JIRA)" <ji...@apache.org>]

Ryan Berdeen created KAFKA-1365:
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             Summary: 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


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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