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https://issues.apache.org/jira/browse/KAFKA-6804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax resolved KAFKA-6804.
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Resolution: Fixed
I believe this is fixed via KAFKA-8501.
> Event values should not be included in log messages
> ---------------------------------------------------
>
> Key: KAFKA-6804
> URL: https://issues.apache.org/jira/browse/KAFKA-6804
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 1.0.1
> Reporter: Jussi Lyytinen
> Priority: Major
>
> In certain error situations, event values are included in log messages:
> {code:java}
> 2018-04-19 08:00:28
> [my-component-37670563-39be-4fcb-92e1-02f115aca43c-StreamThread-2] ERROR
> o.a.k.s.p.i.AssignedTasks - stream-thread
> [my-component-37670563-39be-4fcb-92e1-02f115aca43c-StreamThread-2] Failed to
> commit stream task 1_1 due to the following error:
> org.apache.kafka.streams.errors.StreamsException: task [1_1] Abort sending
> since an error caught with a previous record (key [my-key] value [my-value]
> ...
> {code}
> In some environments, this is highly undesired behavior since the values can
> contain sensitive information. Error logs are usually collected to separate
> systems not meant for storing such information (e.g. patient or financial
> data).
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