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https://issues.apache.org/jira/browse/KAFKA-5133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ismael Juma updated KAFKA-5133:
-------------------------------
Fix Version/s: (was: 0.11.0.0)
> Changing "connection refused" message from logging level "debug" into "warn"
> ----------------------------------------------------------------------------
>
> Key: KAFKA-5133
> URL: https://issues.apache.org/jira/browse/KAFKA-5133
> Project: Kafka
> Issue Type: Improvement
> Components: clients
> Reporter: james chien
> Assignee: james chien
> Priority: Critical
> Labels: newbie
>
> If broker is down, we supply logging message to let user know
> `java.net.ConnectException: Connection refused` but not should be debug
> message because in normal situation user may not set logging level with
> ***INFO*** or ***WARN*** but not ***DEBUG***.
> {noformat}
> 2017-04-27 15:54:47,759 DEBUG [org.apache.kafka.common.network.Selector] -
> Connection with localhost/127.0.0.1 disconnected
> java.net.ConnectException: Connection refused
> 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:80)
> at
> org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:339)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:307)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:359)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:230)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:206)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:197)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.awaitMetadataUpdate(ConsumerNetworkClient.java:132)
> 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:285)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1037)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1002)
> at com.kafka.Test.main(Test.java:27)
> {noformat}
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