JaySenSharma created AMBARI-23228:

             Summary: "Storm - Kafka-offset" Grafana dashboard does not work 
and does not show proper error cause.
                 Key: AMBARI-23228
                 URL: https://issues.apache.org/jira/browse/AMBARI-23228
             Project: Ambari
          Issue Type: Bug
          Components: ambari-metrics
    Affects Versions: 2.6.1
            Reporter: JaySenSharma

In a fresh Ambari 2.6.1 setup when we  try to access the *"Storm - 
Kafka-offset"* Grafana dashboard then it shows errors.
Dashboard init failed
Template variables could not be initialized: Cannot read property 'then' of 

- The "topic" dropdown menu does not show any topic name.

- When we check the browser "Developer Tools" --> "Console" output then we can 
see the following error when accessing "Storm - Kafka-offset" Grafana dashboard:
TypeError: Cannot read property 'then' of undefined
    at updateOptionsFromMetricFindQuery (app.ca0ab6f9.js:39)
    at b (app.ca0ab6f9.js:16)
    at i (app.ca0ab6f9.js:13)
    at app.ca0ab6f9.js:13
    at n.$eval (app.ca0ab6f9.js:13)
    at n.$digest (app.ca0ab6f9.js:13)
    at n.$apply (app.ca0ab6f9.js:13)
    at f (app.ca0ab6f9.js:11)
    at r (app.ca0ab6f9.js:11)
    at XMLHttpRequest.v.onload (app.ca0ab6f9.js:11)

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