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Posted to dev@kafka.apache.org by "Neha Narkhede (JIRA)" <ji...@apache.org> on 2013/06/03 23:08:20 UTC

[jira] [Closed] (KAFKA-928) new topics may not be processed after ZK session expiration in controller

     [ https://issues.apache.org/jira/browse/KAFKA-928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neha Narkhede closed KAFKA-928.
-------------------------------

    
> 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, kafka-928-v2.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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