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NMS Viewer Freezes During Map Repaint With Error "ViewerCanvas: paintComponent failed" (Doc ID 2478942.1)

Last updated on MARCH 05, 2019

Applies to:

Oracle Utilities Network Management System - Version to [Release 1.12 to 2.3]
Oracle Network Management for Utilities - DMS - Version to [Release 1.12 to 2.3]
Information in this document applies to any platform.


Viewer at times freezes, refusing to repaint the map, in that zooming, unloading, reloading, searching for other maps fails to change the displayed map.
The viewer status bar DOES update with the targeted device name, but without displaying the device.

2018-11-27 15:19:48,881 [AWT-EventQueue-1] ERROR com.splwg.oms.client.viewer.ViewerCanvas: paintComponent failed
java.lang.NullPointerException: null
at java.util.TreeMap.fixAfterInsertion(Unknown Source) ~[?:1.8.0_172]
at java.util.TreeMap.put(Unknown Source) ~[?:1.8.0_172]
at com.splwg.oms.client.viewer.GuiDevice.isSubscribed( ~[nms_client.jar:?]
at com.splwg.oms.client.viewer.GuiDevice.dim( ~[nms_client.jar:?]
at com.splwg.oms.client.viewer.GuiDevice.paint( ~[nms_client.jar:?]




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