asp.net core MVC static file given 404 error when run website from parent directory

Question

I have an incomprehensible bug recently.

I published a ASP.NET Core MVC web application to a folder, when I enter the root path of the website and run it using command

d:\publish> dotnet WebSite.dll

all things works fine.

but when I go to the parent folder of this website, and then use below command to run it.

d:\> dotnet ./publish/WebSite.dll

the web site can visit,but all the static files given a 404 error,

I want to know, why? how can I solve this?

It seem read a wrong file path, when I display the ContentRootPath, It's show the current run command path, D:\. — Alex Zhang
– Alex Zhang, Commented Mar 11, 2019 at 11:28
It's likely due to the paths you used. In Razor code you use the ~/ path prefix to specify that it should be relative to the document root. If you use just / at the beginning of your paths, then that will be domain relative, which may or may not be the same thing. Bear in mind that ~/ is non-standard, though, so it only works in things like Razor views, as Razor will extrapolate that for you. If you're referencing paths in something like a JS file, you'll need a different solution. — Chris Pratt
– Chris Pratt, Commented Mar 11, 2019 at 13:02
It seems the root path of app.UseStaticFiles using is depend on env.ContentRootPath, because env.ContentRootPath take path where you run the command. so the physical path is getting wrong, I will give out the solution for this case. Thanks a lot. — Alex Zhang
– Alex Zhang, Commented Mar 12, 2019 at 1:07

Alex Zhang · Accepted Answer · 2019-03-12 01:16:49Z

9

Because UseStaticFiles use the path from env.ContentRootPath, But env.ContentRootPath will take path where you run the dotnet command, so the physical path is getting wrong.

I have reassign the base physical path like this:

app.UseStaticFiles(new StaticFileOptions()
{
    FileProvider = new PhysicalFileProvider($@"{AppDomain.CurrentDomain.BaseDirectory}/wwwroot")
});

And all static resources are revisited.

answered Mar 12, 2019 at 1:16

Alex Zhang

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