Hello,
I've just upgraded my stack to the latest version and starting grafana service in this. It got stuck and giving following errors
2017-12-18 12:20:26,924 - Connection to Grafana failed. Next retry in 20 seconds.
2017-12-18 12:20:26,925 - Connecting (GET) to ambarihdp-produp:3000/api/user
2017-12-18 12:20:46,940 - Connection to Grafana failed. Next retry in 20 seconds.
2017-12-18 12:20:46,940 - Connecting (GET) to ambarihdp-produp:3000/api/user
2017-12-18 12:21:06,958 - Connection to Grafana failed. Next retry in 20 seconds.
2017-12-18 12:21:06,959 - Connecting (GET) to ambarihdp-produp:3000/api/user
2017-12-18 12:21:26,979 - Connection to Grafana failed. Next retry in 20 seconds.
2017-12-18 12:21:26,980 - Connecting (GET) to ambarihdp-produp:3000/api/user
2017-12-18 12:21:47,000 - Connection to Grafana failed. Next retry in 20 seconds.
2017-12-18 12:21:47,000 - Connecting (GET) to ambarihdp-produp:3000/api/user
Please let me know what will be the issue regarding this.