Start the WebHCat server and log in as $WEBHCAT_USER:
su -hcat -c '/usr/hdp/current/hive-hcatalog/sbin/webhcat_server.sh --config /etc/ hcatalog/conf/webhcat start'
Type the following URL into your browser:
http://$WebHCat.server.full.hostname:50111/templeton/v1/status
The following message is returned if your installation is valid:
{"status":"ok","version":"v1"}