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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