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https://issues.apache.org/jira/browse/KAFKA-3457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manikumar resolved KAFKA-3457.
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Resolution: Fixed
This is addressed by KIP-266.
> KafkaConsumer.committed(...) hangs forever if port number is wrong
> ------------------------------------------------------------------
>
> Key: KAFKA-3457
> URL: https://issues.apache.org/jira/browse/KAFKA-3457
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 0.9.0.1
> Reporter: Harald Kirsch
> Assignee: Liquan Pei
> Priority: Major
>
> Create a KafkaConsumer with default settings but with a wrong host:port
> setting for bootstrap.servers. Have it in some consumer group, do not
> subscribe or assign partitions.
> Then call .committed(...) for a topic/partition combination a few times. It
> will hang on the 2nd or third call forever. In the debug log you will see
> that it repeats connections all over again. I waited many minutes and it
> never came back to throw an Exception.
> The connections problems should at least pop out on the WARNING log level.
> Likely the connection problems should throw an exception eventually.
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