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https://issues.apache.org/jira/browse/FLINK-32717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17749108#comment-17749108
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Martijn Visser commented on FLINK-32717:
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If you're restarting from a checkpoint/savepoint, that is expected. The
`setTopics` is only followed when starting from a clean job. If you don't want
this, you currently have to start with a clean state. The situation is expected
to be improved with
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=217389320
> Change of topic list from KafkaSource not works
> -----------------------------------------------
>
> Key: FLINK-32717
> URL: https://issues.apache.org/jira/browse/FLINK-32717
> Project: Flink
> Issue Type: Improvement
> Reporter: Kwangin (Dennis) Jung
> Priority: Minor
>
> I've setup 'KafkaSource' as following:
>
> {code:java}
> KafkaSource.<T>builder().setTopics("A", "B")...{code}
>
> and later, removed 1 topic from list as following and restart application.
>
> {code:java}
> KafkaSource.<T>builder().setTopics("B")...{code}
>
> But application still ingest data from topic 'A'.
> * Is this expected?
> * If it is, how can I stop ingesting data from removed topic?
>
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