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From "Sagar Lad (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-5458) SASL handshake fails for METADATA requests
Date Fri, 30 Jun 2017 04:21:03 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-5458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sagar Lad resolved KAFKA-5458.
------------------------------
    Resolution: Fixed

actually there were multiple consumers created from code -  each with different config file.
i missed SASL config for one of the consumer (for other it was working fine with appropriate
logs).

Resolved : i missed SASL config for one of the consumer  - after adding it worked !

> SASL handshake fails for METADATA requests
> ------------------------------------------
>
>                 Key: KAFKA-5458
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5458
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 0.10.1.1
>            Reporter: Sagar Lad
>         Attachments: kafka_client_jaas.conf, kafka_server_jaas.conf, producer.properties,
server.properties
>
>
> i have enabled SASL Authentication for my kafka with 
> {code:java}
> listeners=SASL_PLAINTEXT://0.0.0.0:9092
> advertised.listeners=SASL_PLAINTEXT://0.0.0.0:9092
> sasl.enabled.mechanisms=PLAIN
> security.protocol=SASL_PLAINTEXT
> security.inter.broker.protocol=SASL_PLAINTEXT
> sasl.mechanism=PLAIN
> sasl.mechanism.inter.broker.protocol=PLAIN
> {code}
> but in kafkaServer.out getting
> {code:java}
> [2017-06-16 11:21:12,167] DEBUG Set SASL server state to HANDSHAKE_REQUEST (org.apache.kafka.common.security.authenticator.SaslServerAuthenticator)
> [2017-06-16 11:21:12,167] DEBUG Handle Kafka request METADATA (org.apache.kafka.common.security.authenticator.SaslServerAuthenticator)
> [2017-06-16 11:21:12,167] DEBUG Set SASL server state to FAILED (org.apache.kafka.common.security.authenticator.SaslServerAuthenticator)
> [2017-06-16 11:21:12,167] DEBUG Connection with /127.0.0.1 disconnected (org.apache.kafka.common.network.Selector)
> java.io.IOException: org.apache.kafka.common.errors.IllegalSaslStateException: Unexpected
Kafka request of type METADATA during SASL handshake.
>         at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.authenticate(SaslServerAuthenticator.java:243)
>         at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:64)
>         at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:338)
>         at org.apache.kafka.common.network.Selector.poll(Selector.java:291)
>         at kafka.network.Processor.poll(SocketServer.scala:476)
>         at kafka.network.Processor.run(SocketServer.scala:416)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> where as in client log i observed 
> {code:java}
> #### 2017-06-16 11:33:33,501 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:33,607 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:33,721 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:33,834 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:33,952 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:34,059 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> #### 2017-06-16 11:33:34,162 WARN  [kafka-producer-network-thread | producer-7] NetworkClient.maybeHandleDisconnection
(NetworkClient.java:568)     - Bootstrap broker 127.0.0.1:9092 disconnected
> ###
> {code}
> metadata request are being every 100ms
> *Problem* : 
> how can we make SASL handshake to support METADATA type requests



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