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https://issues.apache.org/jira/browse/KAFKA-17148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17866512#comment-17866512
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Greg Harris commented on KAFKA-17148:
-------------------------------------
I verified that this is introduced by
[https://github.com/apache/kafka/pull/14628] .
> Kafka storage tool prints MetaPropertiesEnsemble
> ------------------------------------------------
>
> Key: KAFKA-17148
> URL: https://issues.apache.org/jira/browse/KAFKA-17148
> Project: Kafka
> Issue Type: Bug
> Reporter: Greg Harris
> Priority: Minor
> Labels: newbie
>
> Using this following command on 3.6 branche yields this result:
>
> {noformat}
> $ bin/kafka-storage.sh format --config config/kraft/server.properties
> --cluster-id "$(bin/kafka-storage.sh random-uuid)"
> Formatting /tmp/kraft-combined-logs with metadata.version 3.6-IV2.{noformat}
> While on 3.7 it has this behavior:
>
> {noformat}
> $ bin/kafka-storage.sh format --config config/kraft/server.properties
> --cluster-id "$(bin/kafka-storage.sh random-uuid)"
> SLF4J: Class path contains multiple SLF4J bindings.
> ...
> SLF4J: Actual binding is of type [org.slf4j.impl.Reload4jLoggerFactory]
> metaPropertiesEnsemble=MetaPropertiesEnsemble(metadataLogDir=Optional.empty,
> dirs={/tmp/kraft-combined-logs: EMPTY})
> Formatting /tmp/kraft-combined-logs with metadata.version 3.7-IV4.
> {noformat}
> and on 3.8:
> {noformat}
> $ bin/kafka-storage.sh format --config config/kraft/server.properties
> --cluster-id "$(bin/kafka-storage.sh random-uuid)"
> metaPropertiesEnsemble=MetaPropertiesEnsemble(metadataLogDir=Optional.empty,
> dirs={/tmp/kraft-combined-logs: EMPTY})
> Formatting /tmp/kraft-combined-logs with metadata.version 3.8-IV0.{noformat}
> This doesn't appear to be a useful log message for users, so could be
> eliminated.
>
>
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