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Posted to dev@kafka.apache.org by "Rajini Sivaram (JIRA)" <ji...@apache.org> on 2018/06/29 14:41:00 UTC
[jira] [Resolved] (KAFKA-6268) Tools should now swallow exceptions
like resolving network names
[ https://issues.apache.org/jira/browse/KAFKA-6268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rajini Sivaram resolved KAFKA-6268.
-----------------------------------
Resolution: Duplicate
Fix Version/s: (was: 2.1.0)
2.0.0
Fixed under KAFKA-7111.
> Tools should now swallow exceptions like resolving network names
> ----------------------------------------------------------------
>
> Key: KAFKA-6268
> URL: https://issues.apache.org/jira/browse/KAFKA-6268
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.11.0.1
> Reporter: Antony Stubbs
> Assignee: Stanislav Kozlovski
> Priority: Major
> Fix For: 2.0.0
>
>
> The cli consumer client shows nothing when it can't resolve a domain. This and other errors like it should be shown to the user by default. You have to turn on DEBUG level logging in the tools log4j to find there is an error.
> {{[2017-11-23 16:40:56,401] DEBUG Error connecting to node as-broker-1-eu-west-1b-public:9092 (id: 1 rack: null) (org.apache.kafka.clients.NetworkClient)
> java.io.IOException: Can't resolve address: as-broker-1-eu-west-1b-public:9092
> at org.apache.kafka.common.network.Selector.connect(Selector.java:195)
> at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:764)
> at org.apache.kafka.clients.NetworkClient.access$600(NetworkClient.java:60)
> at org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:908)
> at org.apache.kafka.clients.NetworkClient$DefaultMetadataUpdater.maybeUpdate(NetworkClient.java:819)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:431)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:232)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:208)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:199)
> at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.awaitMetadataUpdate(ConsumerNetworkClient.java:134)
> at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:223)
> at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:200)
> at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:286)
> at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1078)
> at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043)
> at kafka.consumer.NewShinyConsumer.<init>(BaseConsumer.scala:64)
> at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:72)
> at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:53)
> at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala)
> Caused by: java.nio.channels.UnresolvedAddressException
> at sun.nio.ch.Net.checkAddress(Net.java:101)
> at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:622)
> at org.apache.kafka.common.network.Selector.connect(Selector.java:192)
> ... 18 more
> }}
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