On 2019/04/03 13:08:45, Shantanu Deshmukh <shantanu...@gmail.com> wrote:
> Hello everyone,
>
> I am trying to setup Kafka SASL authentication on my single node Kafka on
> my local machine. version 2.
>
> Here's my Kafka broker JAAS file:
>
> KafkaServer {
> org.apache.kafka.common.security.plain.PlainLoginModule required
> username="admin"
> password="admin"
> user_admin="admin"
> user_dip="dip";
> };
> Client {
> org.apache.kafka.common.security.plain.PlainLoginModule required
> username="admin"
> password="admin-secret";
> };
>
> Zookeeper JAAS file:
>
> Server {
> org.apache.kafka.common.security.plain.PlainLoginModule required
> username="admin"
> password="admin-secret"
> user_admin="admin-secret";
> };
>
> Kafka broker properties
>
> listeners=SASL_PLAINTEXT://localhost:9092authroizer.class.name=kafka.security.auth.SimpleAclAuthorizer
> security.inter.broker.protocol=SASL_PLAINTEXT
> sasl.mechanism.inter.broker.protocol=PLAINTEXT
> sasl.enabled.mechanisms=PLAINTEXT
>
> Zookeeper properties:
>
> authProvider.1=org.apache.zookeeper.server.auth.SASLAuthenticationProvider
> requireClientAuthScheme=sasl
> jaasLoginRenew=3600000
>
> When I try to start Kafka server I am continuously getting this error.
>
> [2019-04-03 16:32:31,267] DEBUG Accepted connection from
> /127.0.0.1:45794 on /127.0.0.1:9092 and assigned it to processor 1,
> sendBufferSize [actual|requested]: [102400|102400] recvBufferSize
> [actual|requested]: [102400|102400] (kafka.network.Acceptor)
> [2019-04-03 16:32:31,267] DEBUG Processor 1 listening to new
> connection from /127.0.0.1:45794 (kafka.network.Processor)
> [2019-04-03 16:32:31,268] WARN [Controller id=0, targetBrokerId=0]
> Unexpected error from localhost/127.0.0.1; closing connection
> (org.apache.kafka.common.network.Selector)
> java.lang.NullPointerException
> at
> org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.sendSaslClientToken(SaslClientAuthenticator.java:266)
> at
> org.apache.kafka.common.security.authenticator.SaslClientAuthenticator.authenticate(SaslClientAuthenticator.java:204)
> at
> org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:141)
> at
> org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:532)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:467)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:535)
> at
> org.apache.kafka.clients.NetworkClientUtils.awaitReady(NetworkClientUtils.java:74)
> at
> kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:279)
> at
> kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:233)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> [2019-04-03 16:32:31,268] WARN [Controller id=0, targetBrokerId=0]
> Connection to node 0 (localhost/127.0.0.1:9092) terminated during
> authentication. This may indicate that authentication failed due to
> invalid credentials. (org.apache.kafka.clients.NetworkClient)
>
> Please help. Unable to understand this problem.
>
>
> Thanks & Regards,
>
> Shantanu Deshmukh
>
user_admin="admin" in KafkaServer is not consistent with
password="admin-secret" in Client
