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From Sönke Liebau (JIRA) <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-6257) KafkaConsumer was hung when bootstrap servers was not existed
Date Wed, 29 Nov 2017 07:49:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-6257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sönke Liebau resolved KAFKA-6257.
---------------------------------
    Resolution: Duplicate

Closing this as duplicate since no contradicting information was added.

> KafkaConsumer was hung when bootstrap servers was not existed
> -------------------------------------------------------------
>
>                 Key: KAFKA-6257
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6257
>             Project: Kafka
>          Issue Type: Bug
>          Components: clients
>            Reporter: Brian Clark
>            Priority: Minor
>
> Could anyone help me on this?
> We have an issue if we entered an non-existed host:port for bootstrap.servers property
on KafkaConsumer. The created KafkaConsumer was hung forever.
> the debug message:
> java.net.ConnectException: Connection timed out: no further information
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
> at org.apache.kafka.common.network.PlaintextTransportLayer.finishConnect(PlaintextTransportLayer.java:50)
> at org.apache.kafka.common.network.KafkaChannel.finishConnect(KafkaChannel.java:95)
> at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:359)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:326)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:432)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:232)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:208)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:199)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.awaitMetadataUpdate(ConsumerNetworkClient.java:134)
> at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:223)
> at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:200)
> at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:286)
> at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1078)
> at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> [2017-08-28 09:20:56,400] DEBUG Node -1 disconnected. (org.apache.kafka.clients.NetworkClient)
> [2017-08-28 09:20:56,400] WARN Connection to node -1 could not be established. Broker
may not be available. (org.apache.kafka.clients.NetworkClient)
> [2017-08-28 09:20:56,400] DEBUG Give up sending metadata request since no node is available
(org.apache.kafka.clients.NetworkClient)
> [2017-08-28 09:20:56,450] DEBUG Initialize connection to node -1 for sending metadata
request (org.apache.kafka.clients.NetworkClient)



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