You most likely have a mismatch between the kerberos principal defined on the KDC and the keytab on you cluster nodes. Give this a try and it should fix you right up... - Stop all services, including the Cloudera Management Service. - Go to: Administration > Security > Kerberos Credentials - Select all Principals - Click "Regenerate Selected" - Restart all services and hope for 'green lights' 😉
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