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09-06-2023
10:48 AM
I have a requirement to add custom user for allowing impersonation. I can see that CDH 6.3 documentation has some references to it. However, I could not see how I can add similar entries through Cloudera Manager in CDP 7.x. Can someone help with that information ? Essentially, I would like to add the entries like this. <property>
<name>hadoop.proxyuser.super.hosts</name>
<value>10.222.0.0/16,10.113.221.221</value>
</property>
<property>
<name>hadoop.proxyuser.super.users</name>
<value>user1,user2</value>
</property>
or something like this.
<property>
<name>hadoop.proxyuser.alice.hosts</name>
<value>host_a,host_b</value>
</property> Is there a way to achieve the same through Cloudera Manager in CDP 7.x ? I am not sure if I should be editing the core-site.xml on the nodes directly as those were Auto Generated by the Cloudera Manager.
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Apache Hive
08-28-2023
11:07 PM
Thanks @willx for the response. I had earlier regenerated the keytabs and principals multiple times. For some reason, only the zookeeper principals seems have been locked up and not getting generated. I had discovered that while trying to manually remove the principals. Once I removed those principals forcefully and regenerated the keytabs and the principals from the CM, the issue got resolved.
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08-27-2023
05:14 AM
I am trying to configure CDP 7.1.8 with Active Directory. Once the Kerberos Configuration is enabled, during the last step where the services are started, the Zookeeper service is failing to start with the following exception. I had checked the encryption types enabled on the Active Directory as well as the encryption types with which the principal are created. Also, I could see that the kinit using the generated keytabs works fine for the zookeeper service and other services as well. Is there anything that is missing in the configuration ? --- 5:01:27.233 AM WARN SaslServerCallbackHandler
No password found for user: null
5:01:27.235 AM ERROR QuorumPeerMain
Unexpected exception, exiting abnormally
java.io.IOException: Could not configure server because SASL configuration did not allow the ZooKeeper server to authenticate itself properly: javax.security.auth.login.LoginException: No password provided
at org.apache.zookeeper.server.ServerCnxnFactory.configureSaslLogin(ServerCnxnFactory.java:243)
at org.apache.zookeeper.server.NettyServerCnxnFactory.configure(NettyServerCnxnFactory.java:506)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:151)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:125)
at org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:84)
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Apache Zookeeper
11-02-2021
05:27 AM
Even I am seeing a similar issue while trying to discover the schema of a table created with Regex Serde. However, we are using HDP 2.6.5 in our environment and wanted to know if this parameter metastore.storage.schema.reader.impl and the suggestion provided in this thread is applicable to the version of the HDP that we are using ? Could you please let us know in which version of the HDP and Hive this has been introduced ? Regards
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