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https://issues.apache.org/jira/browse/KAFKA-20330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Schofield resolved KAFKA-20330.
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Resolution: Fixed
> Share partition leader restart without leadership change gives wrong exception
> ------------------------------------------------------------------------------
>
> Key: KAFKA-20330
> URL: https://issues.apache.org/jira/browse/KAFKA-20330
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 4.2.0
> Reporter: Andrew Schofield
> Assignee: Andrew Schofield
> Priority: Major
> Fix For: 4.3.0
>
>
> If I have a single-broker cluster and a share consumer with implicit
> acknowledgement, it is possible to get a share session error when records are
> fetched before the broker restarts but acknowledged afterwards. The handling
> of the exception looks good, but it's not the intended exception in this
> situation. The code handles leadership change correctly, but it can be
> confused by a leadership non-change in spite of a restart.
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