RHEV-M does not start getting error as "LifecycleException: Protocol handler initialization failed: java.io.FileNotFoundException: /etc/pki/rhevm/.keystore (No such file or directory)"

Issue

• After update of OS, RHEV-M does not start. When tried to access via URL below, it says Unable to Connect to manager.xyz.com:8443

https://manager.xyz.com:8443/webadmin/webadmin/WebAdmin.html#login 

• Getting error as below in server.log file

#less server.log
DEPLOYMENTS IN ERROR:
  Deployment "WebServer" is in error due to the following reason(s): LifecycleException:  Protocol handler initialization failed: java.io.FileNotFoundException: /etc/pki/rhevm/.keystore (No such file or directory)