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https://issues.apache.org/jira/browse/IMPALA-11263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenzhe Zhou resolved IMPALA-11263.
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Fix Version/s: Impala 4.1.0
Resolution: Fixed
> Coordinator hang when cancelling a query
> ----------------------------------------
>
> Key: IMPALA-11263
> URL: https://issues.apache.org/jira/browse/IMPALA-11263
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Wenzhe Zhou
> Assignee: Wenzhe Zhou
> Priority: Major
> Fix For: Impala 4.1.0
>
>
> In a rare case, callback function Coordinator::BackendState::ExecCompleteCb()
> was not called for the corresponding ExecQueryFInstances RPC somehow. This
> caused coordinator waited indefinitely when cancelling the query.
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