Angular Web portal returns "HTTP Error 404 : Page Not Found"

Error gets fixed after  API server pool restart.
But persists again next day. 

  • What version of OneIM are you using?

    Do you have any customization in place?

    Does your pool use sticky sessions?

  • Version is 9.2 

    Yes i  we do have some config changes in admin portal And few color changes in Index.HTML
    The error i see in the admin portal 
    "2024-04-17 10:10:06.3996  INFO (    WebLog umjnpllephqn5rnmhekiusyz) : Loaded API method group assignments, 0 found 
    2024-04-17 10:10:06.9143  INFO (    WebLog ) : Loading assembly: System.ServiceModel.Internals, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 from C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Internals\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Internals.dll, file version: 4.8.4545.0 built by: NET48REL1LAST_B 
    2024-04-17 10:10:17.3826 ERROR (    WebLog ) : System.Exception: An error occurred while processing the request: /qer-app-portal/index.html System.Exception: An error occurred while processing the request: /qer-app-portal/index.html ---> System.IO.FileNotFoundException: File qer-app-portal/index.html not found
       at CompositionApiToSwagger.Middleware.FileServerWrapper.<GetFileContents>d__7.MoveNext()
    "

  • Please contact support for a fix for the issue 440193. Additionally, this may be caused by a specific IIS setting. On the application pool settings in IIS Manager, please set "Disable overlapped recycle" to "true".