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https://issues.apache.org/jira/browse/AMBARI-23431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandor Molnar updated AMBARI-23431:
-----------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
> After enabling Kerberos, the Ambari JAAS file is not updated
> ------------------------------------------------------------
>
> Key: AMBARI-23431
> URL: https://issues.apache.org/jira/browse/AMBARI-23431
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.7.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Critical
> Labels: kerberos, pull-request-available, security
> Fix For: 2.7.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> After enabling Kerberos, the Ambari JAAS file is not updated. This leads to
> various errors like collecting JXM data from services:
> {noformat}
> 28 Mar 2018 15:40:29,041 WARN [ambari-metrics-retrieval-service-thread-4]
> RequestTargetAuthentication:88 - NEGOTIATE authentication error: No valid
> credentials provided (Mechanism level: No valid credentials provided
> (Mechanism level: Attempt to obtain new INITIATE credentials fai
> led! (null)))
> 28 Mar 2018 15:40:29,042 ERROR [ambari-metrics-retrieval-service-thread-4]
> AppCookieManager:122 - SPNego authentication failed, can not get hadoop.auth
> cookie for URL: http://c7401.ambari.apache.org:50070/jmx
> 28 Mar 2018 15:40:29,042 ERROR [ambari-metrics-retrieval-service-thread-5]
> AppCookieManager:122 - SPNego authentication failed, can not get hadoop.auth
> cookie for URL:
> http://c7401.ambari.apache.org:50070/jmx?get=Hadoop:service=NameNode,name=FSNamesystem::tag.HAState
> 2
> {noformat}
> The JAAS file as {{/etc/ambari-server/conf/krb5JAASLogin.conf}} is expected
> to be updated to match the created Kerberos identity for the Ambari server,
> but is not:
> The default values of
> {noformat}
> ...
> keyTab="/etc/security/keytabs/ambari.keytab"
> principal="[email protected]"
> ...
> {noformat}
> Should have been changed to
> {noformat}
> ...
> keyTab="/etc/security/keytabs/ambari.server.keytab"
> principal="[email protected]"
> ...
> {noformat}
> After manually fixing this and restarting Ambari, the JMX requests
> authenticated properly.
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