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https://issues.apache.org/jira/browse/IMPALA-12041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-12041 started by Riza Suminto.
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> Trivial query fail with "No mapping found for request" error message
> --------------------------------------------------------------------
>
> Key: IMPALA-12041
> URL: https://issues.apache.org/jira/browse/IMPALA-12041
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Major
>
> In multiple executor group setup, some trivial query like "select 1;" fail
> admission with "No mapping found for request" error message. Cases in the
> following code does not seem to set group name prefix when they break the
> loop early.
> [https://github.com/apache/impala/blob/cd9f3f578ef1bceeb5c48354fb9d2d6292ff5155/fe/src/main/java/org/apache/impala/service/Frontend.java#L2048-L2059]
>
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