JBoss ON metric graph is missing all values if min, max, and avg values are all the same within a selected time range that includes 60 or more collected values

Environment

• Red Hat JBoss Operations Network (ON) 3.2, 3.3
• Resource metrics monitoring page displays a graph that:
  • has the same minimum, maximum, and average values for all time values along the x axis;
  • displays 60 data point metric values as 0 or with a graph bar having a height of 1 pixel;
  • has no values defined or displayed on its y axis;