@Uvaraj Seerangan, you might be running into METRON-1283. You can confirm that you are hitting this issue as follows - Go to http://node1:9200/snort*/_mappings. If you are missing the "alerts" field from the mapping, then your Alert UI will come up empty
In order to fix the issue, follow these steps:
* Clear all existing Elasticsearch indices
* Go to Ambari UI -> Services -> Metron -> 'Service Actions' dropdown -> Elasticsearch Template Install
* Re-ingest data into Elasticsearch (or let the sensor-stubs running, if this is on full-dev deployment).
And you should now be able to see entries in the Alerts UI.