HorizontalPodAutoscaler not working when behind proxy with OpenShift 3

Issue

• I setup HorizontalPodAutoscaler following the documentation but I receive errors where pod failed to get CPU consumption and request.

• Errors Seen

failed to get CPU consumption and request: failed to unmarshall heapster response: invalid character 'E' looking for beginning of value (109 times in the last 54 minutes, 6 seconds)

HorizontalPodAutoscaler FailedGetMetrics    failed to get CPU consumption and request: some pods do not have request for cpu

HorizontalPodAutoscaler FailedComputeReplicas   failed to get cpu utilization: failed to get CPU consumption and request: some pods do not have request for cpu