Gaurav Narula created KAFKA-19776:
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Summary: Incorrect leaderId and leaderEpoch logged in
Partition#makeFollower
Key: KAFKA-19776
URL: https://issues.apache.org/jira/browse/KAFKA-19776
Project: Kafka
Issue Type: Bug
Reporter: Gaurav Narula
Assignee: Gaurav Narula
[Partition::makeFollower|https://github.com/apache/kafka/blob/be3e40c45ac9a70833ce0d5735ad141a5bd24627/core/src/main/scala/kafka/cluster/Partition.scala#L877]
logs the existing leader-id and existing leader epoch if the partition
registration has a leader epoch > the existing leader epoch.
There's a bug in the logging as we update the existing leaderId and leaderEpoch
with the latest values from partition registration prior to logging them,
thereby never logging the existing values.
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