JBoss ON live metric page displays Globally uncaught exception when live value is null

Solution Unverified - Updated -

Issue

  • Globally uncaught exception on threading monitoring tab
  • Metric page fails to load with generic error:

    com.google.gwt.core.client.JavaScriptException:(TypeError) : src is null
    --- STACK TRACE FOLLOWS ---
    (TypeError) : src is null
       at Unknown.isJavaObject(Unknown Source)
       at Unknown.toString__devirtual$(Unknown Source)
       at Unknown.$buildLiveValue(Unknown Source)
    

Environment

  • Red Hat JBoss Operations Network (JBoss ON) 3.3 Update 11 and earlier
  • Monitoring page that includes at least 1 trends up metric

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