View Call Pattern Does Not Work and Get "CallDisplayObserver.update failed" Exception (Doc ID 2285408.1)

Last updated on JULY 13, 2017

Applies to:

Oracle Utilities Network Management System - Version 1.12.0.3 to 1.12.0.3 [Release 1.12]
Oracle Network Management for Utilities - DMS - Version 1.12.0.3 to 1.12.0.3 [Release 1.12]
Information in this document applies to any platform.

Goal

When operator is selecting view call pattern from the control tool, the system throws an error and does not show the telephone icon for the call

2017-06-28 06:01:17,427 [AWT-EventQueue-1] ERROR com.splwg.oms.client.viewer.ViewerPanel:  CallDisplayObserver.update failed
java.lang.NullPointerException
    at com.splwg.oms.util.viewer.MapData.getLayerName(MapData.java:117)
    at com.splwg.oms.client.viewer.ClientMapData.<init>(ClientMapData.java:77)
    at com.splwg.oms.client.viewer.ViewerCanvasLayerManager.displayIncidents(ViewerCanvasLayerManager.java:1566)
    at com.splwg.oms.client.viewer.ViewerPanel$CallDisplayObserver.update(ViewerPanel.java:1479)
    at com.splwg.oms.jbot.JBotObservable$ForceNotifyTask.run(JBotObservable.java:370)
    at com.splwg.oms.client.util.ClientThreadPool$ContextRunnable.run(ClientThreadPool.java:158)
    at java.awt.event.InvocationEvent.dispatch(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)

Solution

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