This looks like https://bugs.launchpad.net/sahara/+bug/1672218, which may be reopened. Can you please check if the logs on the ambari node (ambari-server.log, etc) reports the same error?
This looks like https:/ /bugs.launchpad .net/sahara/ +bug/1672218, which may be reopened. Can you please check if the logs on the ambari node (ambari-server.log, etc) reports the same error?