The problem is with your OpenNMS helm installation. Grafana is saying that it cannot find http://localhost:8980/opennms
.
If you open that url in your browser, do you come to the OpenNMS login page?
The problem is with your OpenNMS helm installation. Grafana is saying that it cannot find http://localhost:8980/opennms
.
If you open that url in your browser, do you come to the OpenNMS login page?