"com.google.gwt.core.client.JavaScriptException:(TypeError) : lowestValue is null" when expanding the graph in JBoss ON

Issue

• When expanding the graph in JBoss ON we are getting the following error and Globally Uncaught Exception:

com.google.gwt.core.client.JavaScriptException:(TypeError) : lowestValue is null
--- STACK TRACE FOLLOWS ---
(TypeError) : lowestValue is null
   at Unknown.$getJsonMetrics(Unknown Source)
   at Unknown.getJsonMetrics(Unknown Source)
   at Unknown.$drawJsniChart_0(Unknown Source)
   at Unknown.run_26(Unknown Source)
   at Unknown.fire_1(Unknown Source)
   at Unknown.createTimeout/<(Unknown Source)
   at Unknown.apply(Unknown Source)
   at Unknown.entry0(Unknown Source)
   at Unknown.entry_0/<(Unknown Source)
   at Unknown.anonymous(Unknown Source)

• When trying to generate the graph for the metric for the time period when there is no collected data, Globally Uncaught Exception will be shown in the JBoss ON UI and lowestValue is null message will be shown in the Message Center.