HTTP Error 500.0 – ANCM In-Process Handler Load Failure
Common causes of this issue:
- The specified version of Microsoft.NetCore.App or Microsoft.AspNetCore.App was not found.
- The in process request handler, Microsoft.AspNetCore.Server.IIS, was not referenced in the application.
- ANCM could not find dotnet.
Troubleshooting steps:
- Check the system event log for error messages
- Enable logging the application process’ stdout messages
- Attach a debugger to the application process and inspect
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<?xml version="1.0" encoding="utf-8"?> <configuration> <location path="." inheritInChildApplications="false"> <system.webServer> <handlers> <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModuleV2" resourceType="Unspecified" /> </handlers> <aspNetCore processPath="dotnet" arguments=".\WebXSLTSample.dll" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" hostingModel="inprocess" /> </system.webServer> </location> </configuration> |
HTTP Error 502.5 – Process Failure
Common causes of this issue:
- The application process failed to start
- The application process started but then stopped
- The application process started but failed to listen on the configured port
Troubleshooting steps:
- Check the system event log for error messages
- Enable logging the application process’ stdout messages
- Attach a debugger to the application process and inspect