Troubleshooting

When troubleshooting on a live environment, you would do not have the source code of the application deployed.

Problems: If you encounter any of the following problems:

  • You are not able to log into the Sitefinity instance
  • You get a No contract for communication found error when editing an ASP.NET Core page.
  • You get the Invalid value for identity server host header passed YSOD.

Solution: The above problems are most likely related to incorrectly setup of the ASP.NET Core Renderer application. To fix them, make sure that your Sitefinity CMS instance and your .NET Core Renderer application are correctly set up. Make sure you perform correctly the steps in the Setup procedure.

Solution: Alternatively, you can get more detailed information whether the ASP.NET Core Renderer is set-up correctly, using the Diagnostics section below.

Problem: You are having runtime errors

Solution: You can search the cause of the errors in the logs of the application. To do this, you must access the logs in one of these ways:

  • If you are hosting on Microsoft Windows, you can look in the Application Event Log (IIS).
  • Alternatively, you can add a file system logger to catch the logs. You can implement your own or use a third-party logger, such as Serilog.

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