ASP.NET Core服务已停止

Question

I have problem with my asp.net Core app. Application after few minutes stoped. And my jobs in quartz are lost. I read someware the .net core app never stoped so why I have problem with it? My Program.cs include code to use Kestrel:

public static void Main(string[] args)
{
    var host = new WebHostBuilder()
        .UseKestrel()
        .UseContentRoot(Directory.GetCurrentDirectory())
        .UseIISIntegration()
        .UseStartup<Startup>()
        .Build();

    host.Run();
}

I publish app with standard deployment in visual studio.

Answer 1

IIS/Azure App Service (runs IIS in behind too) recycle your application pool after some time of idle and/or when the server runs low on resources. The statement of not recycling only applies to Kestrel, usually on Linux behind nginx, as its not recommended to use Kestrel as IFS (Internet Facing Server).

While you can set the idle time up and a warmup phase, there is no guarantee it won't stop due to low resources.

Never run Background Tasks inside ASP.NET/Webapplication. Always use a console application or windows service for reoccurring tasks.