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This discussion is to document a support case I had with Qlik that was recently resolved. I couldn't find any specific documentation in the Qlik community (or Google in general) that assisted with the resolution.
After upgrading Qlik Sense last year and implementing the new monitoring apps (Operations, Licence, Reloads & Sessions), these apps would not reload. An initial error was resolved by inserting the correct qIogs_reader password (QMC > Data Connections > Qlogs).
I was getting then getting the following error:
In the Load Editor:
Connector is not responding
The error occurred here:
?
In the Event Viewer/Qlik Logs:
CGenericConnection: QvConnect failed to connect to pipe in timely manner
The monitoring apps use the REST connector for 8 data connections that start with monitor_apps_REST* (QMC > Data Connections).
I recommend that you first see if it is an authentication issue with these connections using the following Qlik help troubleshooting guide found here:
You should also test the REST connector
A. Directly
B. By Creating a New App and REST data connection using the above settings
In my case, the REST connector was not responding and was giving the following error message:
"The connector is not responding. Contact your system administrator"
Many other resolutions were tried, with amending the REST connector configuration files and performing a Qlik Sense repair but were ultimately unsuccessful.
By this time the case had been open for 3 months. In my research I saw articles relating to issues caused by anti-virus software and this seem to be my last try before attempting a total reinstall. I used the Qlik Support KB article found here and requested that my customer's IT department create anti-virus exceptions for the following Qlik Sense server folder locations:
C:\QlikShare [Shared Persistence Folder]
C:\Program Files\Qlik
C:\Program Files\Common Files\Qlik
C:\Users\[Qlik Service Account]\AppData\Local\Temp
C:\Users\Administrator\AppData\Local\Temp
After this, the REST connector tested successfully and the monitoring apps reloaded without issue. For what it's worth, the customer was using the McAfee Endpoint Security application. I hope my experience assists others with the same or similar issues.