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https://issues.apache.org/jira/browse/KAFKA-13788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deng Ziming resolved KAFKA-13788.
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Fix Version/s: 4.0.0
Resolution: Duplicate
duplication of KAFKA-16181
> Creation of invalid dynamic config prevents further creation of valid configs
> -----------------------------------------------------------------------------
>
> Key: KAFKA-13788
> URL: https://issues.apache.org/jira/browse/KAFKA-13788
> Project: Kafka
> Issue Type: Bug
> Components: config
> Affects Versions: 2.8.0
> Reporter: Prateek Agarwal
> Assignee: Deng Ziming
> Priority: Minor
> Fix For: 4.0.0
>
>
> Kafka currently allows creating an unknown dynamic config without any errors.
> But it errors when next valid dynamic config gets created.
> This can be seen locally in a cluster by creating a wrong config
> {{log.cleaner.threadzz}} which was preventing creation of the valid config
> later {{log.cleaner.threads}}.
> {code}
> # Invalid config 'log.cleaner.threadzz' gets created without issues
> $ ./bin/kafka-configs.sh --bootstrap-server localhost:9092 --alter
> --add-config log.cleaner.threadzz=2 --entity-type brokers --entity-default 2>1
> Completed updating default config for brokers in the cluster.
> {code}
> Now when a valid config is added, {{kafka-configs.sh}} errors out:
> {code}
> $ ./bin/kafka-configs.sh --bootstrap-server localhost:9092 --alter
> --add-config log.cleaner.threads=2 --entity-type brokers --entity-default
> All sensitive broker config entries must be specified for --alter, missing
> entries: Set(log.cleaner.threadzz)
> {code}
> To fix this, one needs to first delete the incorrect config:
> {code:java}
> $ ./bin/kafka-configs.sh --bootstrap-server localhost:9092 --alter
> --delete-config log.cleaner.threadzz --entity-type brokers --entity-default
> {code}
> But ideally, the invalid config should error out so that creation of the
> valid config doesn't get prevented.
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