自动缩放(HPA)未能获得CPU消耗:无法将对象分解为类型为[]v1alpha1.PodMetrics的Go值

I am trying to test the HPA (horizontal pod autoscaling) in my Kubernetes cluster. Heapster is up and running and I think it works well since I'm able to see metrics in Grafana. Also the DNS addon is working perfectly. (horizontal pod aut