Brian Clark created KAFKA-6257: ---------------------------------- Summary: 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) -- This message was sent by Atlassian JIRA (v6.4.14#64029)