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https://issues.apache.org/jira/browse/KAFKA-18021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17905230#comment-17905230
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Asker commented on KAFKA-18021:
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[~gharris1727] [~frankvicky] thank you very much! we in the team are very glad
that we drew attention to our problem! We are really waiting for version 4.0.0
> Disabled MirrorCheckpointConnector throws RetriableException on task config
> generation
> --------------------------------------------------------------------------------------
>
> Key: KAFKA-18021
> URL: https://issues.apache.org/jira/browse/KAFKA-18021
> Project: Kafka
> Issue Type: Bug
> Components: mirrormaker
> Affects Versions: 3.9.0
> Reporter: Greg Harris
> Assignee: TengYao Chi
> Priority: Major
> Labels: newbie
> Fix For: 4.0.0
>
>
> In KAFKA-17232, the MirrorCheckpointConnector#taskConfigs was changed to
> throw RetriableException when loadInitialConsumerGroups had not yet completed.
> When disabled, the MirrorCheckpointConnector#start method returns early, and
> never initiates the loadInitialConsumerGroups. When the
> MirrorCheckpointConnector#taskConfigs is called, it will continuously throw
> RetriableExceptions, as there is no maximum number of retries and no
> background process loading consumer groups asynchronously.
> For connectors which have never been enabled, this is a cosmetic bug,
> generating log spam but not harming the operation of the tasks.
> When changing a MirrorCheckpointConnector from enabled to disabled, this
> prevents emitting an empty set of task configs and disabling the
> already-running tasks, making it impossible to disable the
> MirrorCheckpointTasks.
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