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https://issues.apache.org/jira/browse/KAFKA-3090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Liu updated KAFKA-3090:
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Comment: was deleted
(was: Hi there could you pls tell me which version get this issue fixed?)
> Zookeeper disconnects with "can't find default realm" message
> -------------------------------------------------------------
>
> Key: KAFKA-3090
> URL: https://issues.apache.org/jira/browse/KAFKA-3090
> Project: Kafka
> Issue Type: Bug
> Components: security
> Environment: RHEL 6
> Reporter: Mohit Anchlia
>
> Server disconnects from the zookeeper with the following log. It appears that
> it can't determine the realm even though the setup I performed looks ok.
> In here find the list of principals, logs and Jaas file:
> 1) Jaas file
> KafkaServer {
> com.sun.security.auth.module.Krb5LoginModule required
> useKeyTab=true
> storeKey=true
> keyTab="/mnt/kafka/kafka/kafka.keytab"
> principal="kafka/[email protected]";
> };
> Client {
> com.sun.security.auth.module.Krb5LoginModule required
> useKeyTab=true
> storeKey=true
> keyTab="/mnt/kafka/kafka/kafka.keytab"
> principal="kafka/[email protected]";
> };
> 2) Principles from krb admin
> kadmin.local: list_principals
> K/[email protected]
> kadmin/[email protected]
> kadmin/[email protected]
> kadmin/[email protected]
> kafka/[email protected]
> krbtgt/[email protected]
> 3) [2016-01-12 14:53:13,132] WARN SASL configuration failed:
> javax.security.auth.login.LoginException: Cannot locate default realm Will
> continue connection to Zookeeper server without SASL authentication, if
> Zookeeper server allows it. (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 14:53:13,134] INFO Opening socket connection to server
> localhost/127.0.0.1:2181 (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 14:53:13,134] INFO zookeeper state changed (AuthFailed)
> (org.I0Itec.zkclient.ZkClient)
> [2016-01-12 14:53:13,139] INFO Accepted socket connection from
> /127.0.0.1:53028 (org.apache.zookeeper.server.NIOServerCnxnFactory)
> [2016-01-12 14:53:13,139] INFO Socket connection established to
> localhost/127.0.0.1:2181, initiating session (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 14:53:13,142] INFO Client attempting to establish new session at
> /127.0.0.1:53028 (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-01-12 14:53:13,144] INFO Established session 0x152376012690001 with
> negotiated timeout 6000 for client /127.0.0.1:53028
> (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-01-12 14:53:13,146] INFO Session establishment complete on server
> localhost/127.0.0.1:2181, sessionid = 0x152376012690001, negotiated timeout =
> 6000 (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 14:53:13,146] INFO zookeeper state changed (SyncConnected)
> (org.I0Itec.zkclient.ZkClient)
> [2016-01-12 14:53:19,087] INFO Terminate ZkClient event thread.
> (org.I0Itec.zkclient.ZkEventThread)
> [2016-01-12 14:53:19,088] INFO Processed session termination for sessionid:
> 0x152376012690001 (org.apache.zookeeper.server.PrepRequestProcessor)
> [2016-01-12 14:53:19,089] INFO Session: 0x152376012690001 closed
> (org.apache.zookeeper.ZooKeeper)
> [2016-01-12 14:53:19,089] INFO EventThread shut down
> (org.apache.zookeeper.ClientCnxn)
> [2016-01-12 14:53:19,089] INFO Closed socket connection for client
> /127.0.0.1:53028 which had sessionid 0x152376012690001
> (org.apache.zookeeper.server.NIOServerCnxn)
> [2016-01-12 14:53:19,090] FATAL Fatal error during KafkaServer startup.
> Prepare to shutdown (kafka.server.KafkaServer)
> org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to
> zookeeper server within timeout: 6000
> at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1223)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:155)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:129)
> at kafka.utils.ZkUtils$.createZkClientAndConnection(ZkUtils.scala:89)
> at kafka.utils.ZkUtils$.apply(ZkUtils.scala:71)
> at kafka.server.KafkaServer.initZk(KafkaServer.scala:278)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:168)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
> at kafka.Kafka$.main(Kafka.scala:67)
> at kafka.Kafka.main(Kafka.scala)
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