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Home > Success Center > Network Performance Monitor (NPM) > ErrorSite: NetflowWeb.TopResourceCoreChartBase.get_EditURL when opening nodes

ErrorSite: NetflowWeb.TopResourceCoreChartBase.get_EditURL when opening nodes

Created by John Salvani, last modified by MindTouch on Jun 23, 2016

Views: 1,141 Votes: 0 Revisions: 4

Overview

The following error occurs when opening any node on the NPM Web Console with NTA module installed:

Object reference not set to an instance of an object.

 

When saving the error report of the page, the following error appear on logs:

URL: http://<SERVER IP>/Orion/NetPerfMon/NodeDetails.aspx?NetObject=N:<nodeID>
Referrer: http://<SERVER IP>Orion/NetPerfMon/NodeDetails.aspx?NetObject=N:<nodeID>
Message: Object reference not set to an instance of an object.
ErrorSite: NetflowWeb.TopResourceCoreChartBase.get_EditURL
ErrorType: System.NullReferenceException

Environment

Any NPM version with NTA 4.0 and later

Cause 

This can occur when there are duplicates in the NTA database.

Resolution

  1. On the Orion web console, go to Settings > NTA settings > Applications and Service ports
  2. Click Monitor recommended ports. This will remove duplicates from the DB.

 

Last modified
22:16, 22 Jun 2016

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