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Minion: Kafka related WARN log messages (AdminClientConfig The configuration X isn't a known config)

Description

SCENARIO:
Minions setup to use Kafka are generating multiple warning logs every 5 seconds during health-check.

The felix.fileinstall.filename and service.pid logs are generated with a vanilla configuration. Additional kafka rpc and ipc settings defined in minion-config.yaml also trigger this warning log (ex: single-topic).

Seen with minion 27.0+.

Hopefully just log noise that still should be either fixed, downgraded from WARN or silenced.

Even if just log noise, we should either fix, downgrade or silence

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Activity

Chantal Moffatt May 19, 2021 at 1:58 PM

HZN 27.2.0 minion still seeing warning logs generated.
05/19/2021 13:55:50  [Warn]  org.apache.kafka.clients.admin.AdminClientConfig The configuration 'felix.fileinstall.filename' was supplied but isn't a known config.
05/19/2021 13:55:50  [Warn]  org.apache.kafka.clients.admin.AdminClientConfig The configuration 'single-topic' was supplied but isn't a known config.
05/19/2021 13:55:50  [Warn]  org.apache.kafka.clients.admin.AdminClientConfig The configuration 'service.pid' was supplied but isn't a known config.

Benjamin Reed March 24, 2021 at 5:23 PM

Merged to foundation-2020

Benjamin Reed March 24, 2021 at 3:16 PM

Benjamin Reed March 24, 2021 at 3:01 PM
Edited

It appears that this will be fixed in a future version of Kafka (it will no longer pass through "unrelated" configs when parsing this): https://issues.apache.org/jira/browse/KAFKA-10090

In the meantime, we should be able to turn those to ERROR or something, and make a note to change it back when we upgrade to 2.8 or higher.

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PagerDuty

Created March 20, 2021 at 12:19 PM
Updated February 11, 2022 at 8:07 PM
Resolved March 24, 2021 at 5:23 PM