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)

Reply via email to