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https://issues.apache.org/jira/browse/KAFKA-3786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-3786:
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Summary: Avoid unused property from parent configs causing WARN entries
(was: AbstractConfig to only retain defined ConfigDef when parsing property map)
> Avoid unused property from parent configs causing WARN entries
> --------------------------------------------------------------
>
> Key: KAFKA-3786
> URL: https://issues.apache.org/jira/browse/KAFKA-3786
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Assignee: Guozhang Wang
>
> Currently the {{AbstractConfig}}'s constructor accepts the passed property
> map as well as the {{ConfigDef}}, and maintains the original map as well as
> the parsed values together. Because of it, with hierarchical config passing
> like {{StreamsConfig}}, the underlying configs will takes all the key-value
> pairs when constructed and hence cause WARNING log output.
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