hue said Resource Manager not available error but running fine - hadoop

Question

when i run the quick start met the error message
Potential misconfiguration detected. Fix and restart Hue.
Resource Manager : Failed to contact an active Resource Manager: YARN RM returned a failed response: HTTPConnectionPool(host='localhost', port=8088): Max retries exceeded with url: /ws/v1/cluster/apps?user=hue (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused',))
Hive : Failed to access Hive warehouse: /user/hive/warehouse
HBase Browser : The application won't work without a running HBase Thrift Server v1.
Impala : No available Impalad to send queries to.
Oozie Editor/Dashboard : The app won't work without a running Oozie server
Pig Editor : The app won't work without a running Oozie server
Spark : The app won't work without a running Livy Spark Server
i don't know why hue said error for resource manager.
i didn't install another things yet.
my resource manager is running and that api is no problem this - http://RMHOST:8088/ws/v1/cluster/apps?user=hue
response is
{
"apps": null
}
is there any problem i missed?

Answer 1

I changed localhost to My IP address like 192.168.x.x in resourcemanager_host, resourcemanager_api_url, proxy_api_url
I don't know why it works