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https://issues.apache.org/jira/browse/KAFKA-3011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manikumar resolved KAFKA-3011.
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Resolution: Fixed
This is addressed by KIP-266.
> Consumer.poll(0) blocks if Kafka not accessible
> -----------------------------------------------
>
> Key: KAFKA-3011
> URL: https://issues.apache.org/jira/browse/KAFKA-3011
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 0.9.0.0
> Environment: all
> Reporter: Eric Bowman
> Priority: Major
>
> Because of this loop in ConsumerNetworkClient:
> {code:java}
> public void awaitMetadataUpdate() {
> int version = this.metadata.requestUpdate();
> do {
> poll(Long.MAX_VALUE);
> } while (this.metadata.version() == version);
> }
> {code}
> ...if Kafka is not reachable (perhaps not running, or other network issues,
> unclear), then KafkaConsumer.poll(0) will block until it's available.
> I suspect that better behavior would be an exception
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