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Posted to jira@kafka.apache.org by "Damian Guy (JIRA)" <ji...@apache.org> on 2018/02/04 20:38:00 UTC
[jira] [Commented] (KAFKA-3096) Leader is not set to -1 when it is
shutdown if followers are down
[ https://issues.apache.org/jira/browse/KAFKA-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351886#comment-16351886 ]
Damian Guy commented on KAFKA-3096:
-----------------------------------
[~ijuma] is this still an issue? Can i move it out of 1.1? The PR referenced was closed a long time ago
> 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
> Priority: Major
> Labels: reliability
> Fix For: 1.1.0
>
>
> 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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