Ismael Juma created KAFKA-3096:
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Summary: Leader is not set to -1 when it is shutdown if followers
are down
Key: KAFKA-3096
URL: https://issues.apache.org/jira/browse/KAFKA-3096
Project: Kafka
Issue Type: Bug
Affects Versions: 0.9.0.0
Reporter: Ismael Juma
Assignee: Ismael Juma
Fix For: 0.9.1.0
Assuming a cluster with 2 brokers with unclear leader election disabled:
1. Start brokers 0 and 1
2. Perform partition assignment
3. Broker 0 is elected leader
4. Produce message and wait until metadata is propagated
6. Shutdown follower
7. Produce message
8. Shutdown leader
9. Start follower
10. Wait for leader election
Expected: leader is -1
Actual: leader is 0
We have a test for this, but a bug in `waitUntilLeaderIsElectedOrChanged` means
that `newLeaderOpt` is not being checked.
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