You must change the port number for Ranger port numbers on Cloudera Manager.
After transitioning the cluster, the ranger.service.https.port and ranger.service.http.port configurations must have different port numbers in Cloudera Manager. Otherwise, Cloudera Manager displays a warning.
Start the Ranger server.
Ranger Service connection with Oracle database
If you have configured Ranger with Oracle Database as its backend, you must add the property conf/ranger-admin-site.xml with the key and value provided below for the Ranger Admin Advanced Configuration Snippet (Safety Valve) in Cloudera Manager: Key: ranger.jpa.jdbc.preferredtestquery value: select 1 from dual;