Common Issues

HTTP Error 500.19

HTTP Error 500.19

Problem An Internal Server error is displayed when trying to access the Qommentary Manager

Possible causes

• Rewrite module missing

  Install the URL Rewrite module included in the Software Dependencies section
• Corrupted .NET Core Hosting Bundle

  Try repairing the bundle. Otherwise, uninstalling and re-installing.

• Qommentary Manager/Engine bindings to invalid or expired SSL certificates

  Bind a valid SSL certificate to the Qommentary Manager/Engine sites.

Service Unavailable

Service Unavailable error

Problem A Service Unavailable error is displayed when trying to access the Qommentary Manager.

Possible Causes

• Qommentary Engine application pool stopped

  Try re-starting the Engine service and accessing the Qommentary Manager again from a browser. If the service is stopped again, try the troubleshooting steps below.

• .NET Core Framework or one of it's components might be corrupted

  1. Open a cmd line terminal

  2. CD into the Qommentary Engine folder under the installation path

  3. Run "C:\Program Files\dotnet\dotnet.exe" "C:\Program Files\Qommentary\Qommentary Engine\Qommentary.Api.dll"

  If you see the following screen, there is an issue with the .NET Core Framework installation:

  

  Try repairing Microsoft Visual C++ Redistributable (x64). If you encounter any issues repairing the component, it might be related to missing Windows updates. Try updating Windows and repairing the component again

• QlikClient certificate is not installed

  Export certificates from Qlik Sense and install client.pfx

• URL Rewrite version not compatible with Windows version

  1. Open Event Viewer 2. Select Application Logs 3. Check if there's any errors related to rewrite.dll failing to load

  

  Install the supported URL Rewrite module included in the Software Dependencies section.

415 Method Not Allowed

Spinning wheel when updating or deleting commentary

Problem Extension hangs on spinning wheel when trying to update or delete a commentary.

Possible cause Wev Dav might be enabled in IIS and is interfering with PUT and DELETE methods.

To disable the module, follow these steps:

1. Open Server Manager

2. Click on Add Roles and Features

3. Jump to Server Roles

4. Look for Web Server (IIS) > Web Server > Common HTTP features

5. Untick WebDAV Publishing

6. Click on Next and Install

For more information on disabling Web Dav in IIS, please refer to this guide.

ERR CERT COMMON NAME INVALID

Problem Qommentary Admin Console does not load properly and all Qommentary Engine API calls display a ERR_CERT_COMMON_NAME_INVALID issue

Possible causes

• SSL Certificate mismatch The SSL certificate bound to the Qommentary IIS sites do not match the domain name you're trying to access the Qommentary Admin Console To rectify the issue, follow these steps:

  1. Launch IIS

  2. Select Qommentary Engine site and click on Bindings...

     
  3. Edit the HTTPS binding and select the certificate which matches the QAC domain

     
  4. Recycle the Qommentary Engine application pool

  5. Now the QAC should load correctly

     
  6. Repeat steps 2-4 for the Qommentary Manager (if necessary)