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https://issues.apache.org/jira/browse/KAFKA-20369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-20369.
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Fix Version/s: 4.4.0
Resolution: Fixed
> Upgrade log4j2 from 2.25.3 to 2.25.4
> ------------------------------------
>
> Key: KAFKA-20369
> URL: https://issues.apache.org/jira/browse/KAFKA-20369
> Project: Kafka
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: Muralidhar Basani
> Priority: Minor
> Fix For: 4.4.0
>
>
> Log4j2 just released version 2.25.4, which includes a nice fix: "Logging with
> last implicit param a null Throwable generates framework warning"
> https://github.com/apache/logging-log4j2/issues/3975
> I haven't observed this scenario in Kafka yet, but upgrading will help
> prevent it in the future
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