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https://issues.apache.org/jira/browse/FLINK-40112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-40112.
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Fix Version/s: 2.4.0
Resolution: Fixed
Fixed in master: 8b7ebcacddcb43168879f1d6135b9714270cae6d
> Report a changelog mode mismatch instead of a generic planning error
> --------------------------------------------------------------------
>
> Key: FLINK-40112
> URL: https://issues.apache.org/jira/browse/FLINK-40112
> Project: Flink
> Issue Type: Improvement
> Reporter: Gustavo de Morais
> Assignee: Gustavo de Morais
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.4.0
>
>
> When changelog mode inference cannot satisfy an operator's required changelog
> and the failure is not at a sink, {{FlinkChangelogModeInferenceProgram}}
> throws a generic "Can't generate a valid execution plan for the given query"
> with the annotated plan. This does not tell the user the failure is a
> changelog mismatch.
> Update and improve the message to state that an operator cannot produce the
> changelog its consumer requires and to point the user at the changelog modes
> of the operators in the plan.
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