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/var/log/ranger/tagsync/tagsync.log
10 Nov 2016 11:46:43 ERROR TagSynchronizer [main] - 262 tag-source:atlas initialization failed with javax.security.auth.login.LoginException: Could not login: the client is being asked for a password, b ut the Kafka client code does not currently support obtaining a password from the user. not available to garner authentication information from the user kafka.common.KafkaException: fetching topic metadata for topics [Set(ATLAS_ENTITIES)] from broker [ArrayBuffer(BrokerEndPoint(1001,host.domain,6667))] failed at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:73) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:96) at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:67) at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63) Caused by: java.nio.channels.ClosedChannelException at kafka.network.BlockingChannel.send(BlockingChannel.scala:122) at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:82) at kafka.producer.SyncProducer.kafka$producer$SyncProducer$doSend(SyncProducer.scala:81) at kafka.producer.SyncProducer.send(SyncProducer.scala:126) at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59) ... 3 more |
Background
The Atlas was installed after the HDP2.5.0 was kerberosed. Ambari2.4.1 doesn't create the kerberos principal for Ranger Tagsync, and distributed to the node. Could find the hint from Tagsync log:
/var/log/ranger/tagsync/tagsync.log
10 Nov 2016 11:46:41 WARN SecureClientLogin [main] - 119 /etc/security/keytabs/rangertagsync.service.keytab doesn't exist. 10 Nov 2016 11:46:41 WARN SecureClientLogin [main] - 130 Can't find principal : rangertagsync/host.domain@REALM |
- Get All Questions & Answer for CDP Generalist Exam (CDP-0011) and trainings.
- Get All Questions & Answer for CDP Administrator - Private Cloud Base Exam CDP-2001 and trainings.
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This Question is from QuickTechie Cloudera CDP Certification Preparation Kit.
Fix
- Get All Questions & Answer for CDP Generalist Exam (CDP-0011) and trainings.
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This Question is from QuickTechie Cloudera CDP Certification Preparation Kit.
Manually create rangertagsync principal and keytab.
kadmin.local: add_principal -randkey rangertagsync/<code>rangertagsync/host.domain@REALM kadmin.local: xst -k rangertagsync.service.keytab rangertagsync/<code>rangertagsync/host.domain@REALM |
Deploy keytab to the node
$ sudo cp rangertagsync.service.keytab /etc/security/keytabs/ $ sudo chown ranger:hadoop /etc/security/keytabs/rangertagsync.service.keytab$ sudo chmod 440 /etc/security/keytabs/rangertagsync.service.keytab |
No errors in the Ranger Tagsync log.
- Get All Questions & Answer for CDP Generalist Exam (CDP-0011) and trainings.
- Get All Questions & Answer for CDP Administrator - Private Cloud Base Exam CDP-2001 and trainings.
- Get All Questions & Answer for CDP Data Developer Exam CDP-3001 and trainings.
This Question is from QuickTechie Cloudera CDP Certification Preparation Kit.
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