Edoardo Comar created KAFKA-3899: ------------------------------------ Summary: Consumer.poll() stuck in loop if wrong credentials are supplied Key: KAFKA-3899 URL: https://issues.apache.org/jira/browse/KAFKA-3899 Project: Kafka Issue Type: Bug Components: clients Affects Versions: 0.10.0.0 Reporter: Edoardo Comar
With the broker configured to use SASL PLAIN , if the client is supplying wrong credentials, a consumer calling poll() is stuck forever and only inspection of DEBUG-level logging can tell what is wrong. [2016-06-24 12:15:16,455] DEBUG Connection with localhost/127.0.0.1 disconnected (org.apache.kafka.common.network.Selector) java.io.EOFException at org.apache.kafka.common.network.NetworkReceive.readFromReadableChannel(NetworkReceive.java:83) at org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:71) at org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.receiveResponseOrToken(SaslClientAuthenticator.java:239) at org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.authenticate(SaslClientAuthenticator.java:182) at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:64) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:318) at org.apache.kafka.common.network.Selector.poll(Selector.java:283) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:260) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.clientPoll(ConsumerNetworkClient.java:360) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:224) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:192) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.awaitMetadataUpdate(ConsumerNetworkClient.java:134) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureCoordinatorReady(AbstractCoordinator.java:183) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:973) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:937) -- This message was sent by Atlassian JIRA (v6.3.4#6332)