[jira] [Updated] (KAFKA-4561) Ordering of operations in StreamThread.shutdownTasksAndState may void at-least-once guarantees

["Guozhang Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-4561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-4561:
---------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

Issue resolved by pull request 2281
[https://github.com/apache/kafka/pull/2281]

> Ordering of operations in StreamThread.shutdownTasksAndState may void at-least-once guarantees
> ----------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-4561
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4561
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.10.2.0
>            Reporter: Damian Guy
>            Assignee: Damian Guy
>             Fix For: 0.10.2.0
>
>
> In {{shutdownTasksAndState}} we currently commit offsets as the first step. If a subsequent step throws an exception, i.e, flushing the producer, then this would violate the at-least-once guarantees.
> We need to commit after all other state has been flushed



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