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https://issues.apache.org/jira/browse/KAFKA-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13672312#comment-13672312
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Swapnil Ghike commented on KAFKA-928:
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+1, thanks for fixing this.
> new topics may not be processed after ZK session expiration in controller
> -------------------------------------------------------------------------
>
> Key: KAFKA-928
> URL: https://issues.apache.org/jira/browse/KAFKA-928
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.8
> Reporter: Jun Rao
> Assignee: Neha Narkhede
> Priority: Blocker
> Attachments: kafka-928.patch
>
>
> When controller loses its ZK session, it calls partitionStateMachine.shutdown
> in SessionExpirationListener, which marks the partitionStateMachine as down.
> However, when the controller regains its controllership, it doesn't mark
> partitionStateMachine as up. In TopicChangeListener, we only process new
> topics if the partitionStateMachine is marked up.
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