[KAFKA-3899] Consumer.poll() stuck in loop if wrong credentials are supplied

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.0.0, 0.10.1.0
• Fix Version/s: 2.0.0
• Component/s: clients
• Assignee: Unassigned
• Reporter: Edoardo Comar
• Created: 24/Jun/16 11:32
• Updated: 01/Jun/18 14:57
• Resolved: 01/Jun/18 14:57

Description

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)

Issue Links

• is related to: KAFKA-3727 Consumer.poll() stuck in loop on non-existent topic manually assigned