[AMBARI-15369] Ambari cannot enable NN HA in kerberos env

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.2
• Component/s: ambari-web
• Assignee: Antonenko Alexander
• Reporter: Antonenko Alexander
• Created: 10/Mar/16 13:40
• Updated: 11/Mar/16 18:53
• Resolved: 11/Mar/16 12:56

Description

PROBLEM: In secured env, when try to enable NN HA, it will fail at step 2 when trying to add additional NN to the cluster with error:

07 Mar 2016 16:35:45,083  INFO [qtp-ambari-client-25] AbstractResourceProvider:798 - Caught an exception while updating host components, retrying : java.lang.IllegalArgumentException: Missing KDC administrator credentials.
The KDC administrator credentials must be set as a persisted or temporary credential resource.This may be done by issuing a POST to the /api/v1/clusters/:clusterName/credentials/kdc.admin.credential API entry point with the following payload:
{
  "Credential" : {
    "principal" : "(PRINCIPAL)", "key" : "(PASSWORD)", "type" : "(persisted|temporary)"}
  }
}
07 Mar 2016 16:35:45,334  INFO [qtp-ambari-client-25] AbstractResourceProvider:917 - Received a updateHostComponent request, clusterName=sparkB, serviceName=HDFS, componentName=NAMENODE, hostname=sparkb2.sec.support.com, request={ clusterName=sparkB, serviceName=HDFS, componentName=NAMENODE, hostname=sparkb2.sec.support.com, desiredState=INSTALLED, state=null, desiredStackId=null, staleConfig=null, adminState=null}