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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5473) handle ZK session expiration properly when a new session can't be established
Date Wed, 04 Oct 2017 22:06:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16192126#comment-16192126
] 

Guozhang Wang commented on KAFKA-5473:
--------------------------------------

[~ijuma] there seems still no PR yet. Is it a blocker for 1.0.0?

> handle ZK session expiration properly when a new session can't be established
> -----------------------------------------------------------------------------
>
>                 Key: KAFKA-5473
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5473
>             Project: Kafka
>          Issue Type: Sub-task
>    Affects Versions: 0.9.0.0
>            Reporter: Jun Rao
>            Assignee: Prasanna Gautam
>             Fix For: 1.0.0
>
>
> In https://issues.apache.org/jira/browse/KAFKA-2405, we change the logic in handling
ZK session expiration a bit. If a new ZK session can't be established after session expiration,
we just log an error and continue. However, this can leave the broker in a bad state since
it's up, but not registered from the controller's perspective. Replicas on this broker may
never to be in sync.



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