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https://issues.apache.org/jira/browse/KAFKA-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gunnar Morling updated KAFKA-6456:
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Summary: Improve JavaDoc of SourceTask#poll() to discourage indefinite
blocking (was: Improve JavaDoc of SourceTask#poll())
> Improve JavaDoc of SourceTask#poll() to discourage indefinite blocking
> ----------------------------------------------------------------------
>
> Key: KAFKA-6456
> URL: https://issues.apache.org/jira/browse/KAFKA-6456
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Affects Versions: 1.0.0
> Reporter: Gunnar Morling
> Priority: Major
>
> The docs of {{poll()}} currently say "This method should block if no data is
> currently available". This causes the task from transitioning to PAUSED
> state, if there's no data available for a longer period of time. I'd
> therefore suggest to reword like this:
> {quote}
> This method should block if no data is currently available but return control
> to Kafka Connect periodically (by returning null).
> {quote}
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