Are you specifying the option << —security-protocol SASL_PLAINTEXT >> in your 
command as well?

> Le 4 nov. 2016 à 08:56, yassine chantit <yaschan...@yahoo.fr.INVALID> a écrit 
> :
> 
> Hi,Did you have in your jaas conf a section to configure zookeeper client to 
> use kerberos as well ?Something like this : Client {       
> com.sun.security.auth.module.Krb5LoginModule required       useKeyTab=true    
>    keyTab="/path/to/client/keytab"       storeKey=true       
> useTicketCache=true       principal="yourzookeeperclient";};
> 
> 
>    Le Vendredi 4 novembre 2016 8h47, HE Ye <ye...@alcatel-lucent.com> a écrit 
> :
> 
> 
> 
> 
> Hello expert,
> 
> I need help with the following error. I was tring to connect kafka to 
> kerveros server to verify SASL. I see this error when ZkClient tries to 
> authenticate with the zookeeper server. In the Kerberos logs I see tickets 
> being exchanged. I followed everything in documentation. Couldn't figure out 
> why it failed.
> 
> zookeeper log:
> 
> [2016-11-03 09:01:01,149] INFO Accepted socket connection from 
> /127.0.0.1:55176 (org.apache.zookeeper.server.NIOServerCnxnFactory)
> [2016-11-03 09:01:01,154] INFO Client attempting to establish new session at 
> /127.0.0.1:55176 (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-11-03 09:01:01,159] INFO Established session 0x1582a4ef33d0005 with 
> negotiated timeout 6000 for client /127.0.0.1:55176 
> (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-11-03 09:01:01,182] ERROR cnxn.saslServer is null: cnxn object did not 
> initialize its saslServer properly. 
> (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-11-03 09:01:01,550] WARN caught end of stream exception 
> (org.apache.zookeeper.server.NIOServerCnxn)
> EndOfStreamException: Unable to read additional data from client sessionid 
> 0x1582a4ef33d0005, likely client has closed socket
>         at 
> org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
>         at 
> org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
>         at java.lang.Thread.run(Thread.java:745)
> [2016-11-03 09:01:01,551] INFO Closed socket connection for client 
> /127.0.0.1:55176 which had sessionid 0x1582a4ef33d0005 
> (org.apache.zookeeper.server.NIOServerCnxn)
> [2016-11-03 09:01:09,004] INFO Expiring session 0x1582a4ef33d0005, timeout of 
> 6000ms exceeded (org.apache.zookeeper.server.ZooKeeperServer)
> [2016-11-03 09:01:09,006] INFO Processed session termination for sessionid: 
> 0x1582a4ef33d0005 (org.apache.zookeeper.server.PrepRequestProcessor)
> 
> kafka log:
> [2016-11-03 09:01:01,118] INFO TGT valid starting at:        Thu Nov 03 
> 09:00:54 CDT 2016 (org.apache.zookeeper.Login)
> [2016-11-03 09:01:01,119] INFO TGT expires:                  Fri Nov 04 
> 09:00:54 CDT 2016 (org.apache.zookeeper.Login)
> [2016-11-03 09:01:01,119] INFO TGT refresh sleeping until: Fri Nov 04 
> 04:53:02 CDT 2016 (org.apache.zookeeper.Login)
> [2016-11-03 09:01:01,151] INFO Socket connection established to 
> localhost.localdomain/127.0.0.1:2181, initiating session 
> (org.apache.zookeeper.ClientCnxn)
> [2016-11-03 09:01:01,161] INFO Session establishment complete on server 
> localhost.localdomain/127.0.0.1:2181, sessionid = 0x1582a4ef33d0005, 
> negotiated timeout = 6000 (org.apache.zookeeper.ClientCnxn)
> [2016-11-03 09:01:01,163] INFO zookeeper state changed (SyncConnected) 
> (org.I0Itec.zkclient.ZkClient)
> [2016-11-03 09:01:01,182] ERROR SASL authentication failed using login 
> context 'Client'. (org.apache.zookeeper.client.ZooKeeperSaslClient)
> [2016-11-03 09:01:01,183] INFO zookeeper state changed (AuthFailed) 
> (org.I0Itec.zkclient.ZkClient)
> [2016-11-03 09:01:01,183] INFO Terminate ZkClient event thread. 
> (org.I0Itec.zkclient.ZkEventThread)
> [2016-11-03 09:01:01,184] FATAL Fatal error during KafkaServer startup. 
> Prepare to shutdown (kafka.server.KafkaServer)
> org.I0Itec.zkclient.exception.ZkAuthFailedException: Authentication failure
>         at org.I0Itec.zkclient.ZkClient.waitForKeeperState(ZkClient.java:946)
>         at org.I0Itec.zkclient.ZkClient.waitUntilConnected(ZkClient.java:923)
>         at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:1230)
>         at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:156)
>         at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:130)
>         at kafka.utils.ZkUtils$.createZkClientAndConnection(ZkUtils.scala:75)
>         at kafka.utils.ZkUtils$.apply(ZkUtils.scala:57)
>         at kafka.server.KafkaServer.initZk(KafkaServer.scala:294)
>         at kafka.server.KafkaServer.startup(KafkaServer.scala:180)
>         at 
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:37)
>         at kafka.Kafka$.main(Kafka.scala:67)
>         at kafka.Kafka.main(Kafka.scala)
> [2016-11-03 09:01:01,193] INFO shutting down (kafka.server.KafkaServer)
> [2016-11-03 09:01:01,199] INFO shut down completed (kafka.server.KafkaServer)
> 
> Kerberos logs
> 
> Nov 03 09:00:54 YeTarget51-0-0-1 krb5kdc[1178](info): AS_REQ (4 etypes {18 17 
> 16 23}) 10.160.32.151: ISSUE: authtime 1478181654, etypes {rep=18 tkt=18 
> ses=18}, kafka/kaf...@example.com<mailto:kafka/kaf...@example.com> for 
> krbtgt/example....@example.com<mailto:krbtgt/example....@example.com>
> Nov 03 09:00:54 YeTarget51-0-0-1 krb5kdc[1178](info): TGS_REQ (4 etypes {18 
> 17 16 23}) 10.160.32.151: ISSUE: authtime 1478181654, etypes {rep=18 tkt=18 
> ses=18}, kafka/kaf...@example.com<mailto:kafka/kaf...@example.com> for 
> zookeeper/localhost.localdom...@example.com<mailto:zookeeper/localhost.localdom...@example.com>
> 
> 
> Thanks,
> Ye
> 
> 

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