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Home > Success Center > Network Performance Monitor (NPM) > Failed to add node in Orion stuck at Please wait while resources are being discovered

Failed to add node in Orion stuck at Please wait while resources are being discovered

Created by Malik Haider, last modified by Steven Bansil_ret on Jul 18, 2016

Views: 335 Votes: 0 Revisions: 3

Updated: July 18, 2016

Overview

This article provides resolution on how to correct the issue when you are trying to add any node in Orion and it gets stuck after SNMP Test passed. 

 

 

 

 

You failed to add node in Orion stuck at Please wait while resources are being discovered.

 

 

Environment

All Core versions 

 

Cause 

 

You need to check the BusinessLayerHost logs and see you if you find the following error:

 

 

 

2016-07-17 06:30:09,290 [7] ERROR SolarWinds.BusinessLayerHost.PluginInstanceAppDomain - Plugin "DPI Business Layer" failed to start.
System.ServiceModel.FaultException`1[SolarWinds.InformationService.Contract2.InfoServiceFaultContract]: Create failed, check fault information.
No DNS entries exist for host win-f4k8kqpuii1. (Fault Detail is equal to InfoServiceFaultContract [ System.ServiceModel.EndpointNotFoundException: No DNS entries exist for host win-f4k8kqpuii1. ---> System.Net.Sockets.SocketException: No such host is known
   at System.Net.Dns.GetAddrInfo(String name)
   at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)
   at System.Net.Dns.GetHostEntry(String hostNameOrAddress)
   at System.ServiceModel.Channels.DnsCache.Resolve(Uri uri)
   --- End of inner exception stack trace ---

Server stack trace: 
   at System.ServiceModel.Channels.DnsCache.Resolve(Uri uri)
   at System.ServiceModel.Channels.SocketConnectionInitiator.GetIPAddresses(Uri uri)
   at System.ServiceModel.Channels.SocketConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
   at System.ServiceModel.Channels.BufferedConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
   at System.ServiceModel.Channels.ConnectionPoolHelper.EstablishConnection(TimeSpan timeout)
   at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.OnOpe...).
2016-07-17 06:30:09,294 [7] INFO  SolarWinds.BusinessLayerHost.PluginInstanceAppDomain - Starting plugin: "ESI Business Layer"

 

~~ Checked the DPI.BusinessLayerLogs ~~ found the DNS name failed to resolve 

2016-07-17 06:30:09,257 [7] ERROR SolarWinds.Orion.Common.SWEventLogging - Unhandled Exception caught in DPI Service Engine startup. Create failed, check fault information.
No DNS entries exist for host win-f4k8kqpuii1.
2016-07-17 06:30:09,260 [7] FATAL SolarWinds.DPI.BusinessLayer.DPIBusinessLayerPlugin - Unhandled Exception caught in plugin startup.
System.ServiceModel.FaultException`1[SolarWinds.InformationService.Contract2.InfoServiceFaultContract]: Create failed, check fault information.
No DNS entries exist for host win-f4k8kqpuii1. (Fault Detail is equal to InfoServiceFaultContract [ System.ServiceModel.EndpointNotFoundException: No DNS entries exist for host win-f4k8kqpuii1. ---> System.Net.Sockets.SocketException: No such host is known
   at System.Net.Dns.GetAddrInfo(String name)
   at System.Net.Dns.InternalGetHostByName(String hostName, Boolean includeIPv6)
   at System.Net.Dns.GetHostEntry(String hostNameOrAddress)
   at System.ServiceModel.Channels.DnsCache.Resolve(Uriuri)
   --- End of inner exception stack trace ---

Server stack trace: 
   at System.ServiceModel.Channels.DnsCache.Resolve(Uri uri)
   at System.ServiceModel.Channels.SocketConnectionInitiator.GetIPAddresses(Uri uri)
   at System.ServiceModel.Channels.SocketConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
   at System.ServiceModel.Channels.BufferedConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
   at System.ServiceModel.Channels.ConnectionPoolHelper.EstablishConnection(TimeSpan timeout)
   at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.OnOpe...).

 

 

As per checking, there is dual Primary Engine Entry under AllEngines table and services failed to start due to the system name was changed. 

 

 

The root issue was the system name was changed and it created new engine entry into the Orion DB.

Last modified
22:36, 17 Jul 2016

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