Querying Metadata - Timeline entity ( id: metadata, type: metrics ) is not found

[#1]

Hi,

I've deployed an HDInsights cluster in Azure with Ambari Metrics service running in it: the Metrics Service Operation Mode is 'embedded', and all services seem to be running fine, with no alerts or warnings.

I can execute a query through the browser, such as https://<myserver>/api/v1/clusters/<clustername>/ and get data from it, but with a request such as https://<myserver>:6188/ws/v1/timeline/metrics/metadata I get no response, and get a 'Timeline entity { id: metadata, type: metrics } is not found' response if I remove the port to the same query.

I'm new to this, so any hint or help will be highly appreciated.

Thanks

[#2]

Update: If I query to https://<myserver>/ws/v1/timeline/ I get this in response

{"About":"Timeline API","timeline-service-version":"2.7.3.2.6.2.25-1","timeline-service-build-version":"2.7.3.2.6.2.25-1 from 1ceeb58bb3bb5904df0cbb7983389bcaf2ffd0b6 by jenkins source checksum 58da6f31206e995446fe12398389f5be","timeline-service-version-built-on":"2017-11-29T15:35Z","hadoop-version":"2.7.3.2.6.2.25-1","hadoop-build-version":"2.7.3.2.6.2.25-1 from 1ceeb58bb3bb5904df0cbb7983389bcaf2ffd0b6 by jenkins source checksum 90b73c4c185645c1f47b61f942230","hadoop-version-built-on":"2017-11-29T15:28Z"}