Asp.Net core 2 Web Api running as service

Question

I try to run a asp.net core 2 web api as a windows service. I'm targeting .Net 4.6.1 Framework. I created a basic project from visual studio template, by not changing anything except Program.cs Main method to

public static void Main(string[] args)
        {
            var pathToExe = Process.GetCurrentProcess().MainModule.FileName;
            var pathToContentRoot = Path.GetDirectoryName(pathToExe);

            var host = WebHost.CreateDefaultBuilder(args)
                .UseContentRoot(pathToContentRoot)
                .UseStartup<Startup>()
                .Build();

            host.RunAsService();
        }

When I try to start my windows service, I get the foloowing error in event viewer

Version du Framework : v4.0.30319
Description : le processus a été arrêté en raison d'une exception non gérée.
Informations sur l'exception : System.TypeLoadException
Pile :
   à Microsoft.AspNetCore.Hosting.WebHostBuilder.BuildCommonServices(System.AggregateException ByRef)
   à Microsoft.AspNetCore.Hosting.WebHostBuilder.Build()
   à deploy.Program.Main(System.String[])

Any clue what's happening here ? I deployed numerous web api as web service without problems in the past, but they all were built on asp.net core 1.0.

UPDATE

Ends up that hosting machine didn't have .Net Framework 4.6.1 installed (duh!).

Derviş Kayımbaşıoğlu · Accepted Answer · 2018-02-15 19:41:17Z

1

That is not supported yet as it is stated here

answered Feb 15, 2018 at 19:41

Derviş Kayımbaşıoğlu

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3 Comments

Nicolas Boisvert Over a year ago

I found the complete "recipe" for asp.net core 2.0 at learn.microsoft.com/en-us/aspnet/core/host-and-deploy/…

Derviş Kayımbaşıoğlu Over a year ago

that link states that .Net Framework 4.6.1 Template is needed "When creating a project in Visual Studio, use the ASP.NET Core Application (.NET Framework) template"

Derviş Kayımbaşıoğlu Over a year ago

If this answer gave you enough information please consider to mark it as solution.

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