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NEGOTIATE authentication error: No valid credentials provided

NEGOTIATE authentication error: No valid credentials provided

New Contributor

Hello,

HDP-2.6.1.0 kerberized cluster managed by Ambari 2.6.2.2. I get the following error every 5-10 seconds in ambari-server.log on Ambari server:

15 Nov 2018 16:55:48,834  INFO [ambari-metrics-retrieval-service-thread-3008] URLStreamProvider:222 - Received WWW-Authentication header:Negotiate, for URL:http://srv-amb-01.local.net:8744/api/v1/cluster/summary
15 Nov 2018 16:55:48,838  WARN [ambari-metrics-retrieval-service-thread-3008] RequestTargetAuthentication:88 - NEGOTIATE authentication error: No valid credentials provided (Mechanism level: No valid credentials provided (Mechanism level: Attempt to obtain new INITIATE credentials failed! (null)))
15 Nov 2018 16:55:48,838 ERROR [ambari-metrics-retrieval-service-thread-3008] AppCookieManager:122 - SPNego authentication failed, can not get hadoop.auth cookie for URL: http://srv-amb-01.local.net:8744/api/v1/cluster/summary

Clearly it has to with kerberos, but I cannot figure out which component it complains about.

Any tips would be greatly appreciated.

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