.Net Core - Referenced file is not found when publish

Question

Im using ImageSharp with .Net Core to process some images. To load the images and fonts I do as follows:

_image = Image.Load(@"Resources/imgs/quote_background.png");

_fonts = new FontCollection();
_font = _fonts.Install(@"Resources/fonts/Cousine-Italic.ttf");

// Image processing...

My files tree looks like:

    - Solution
    - - MyApp
    - - - Controllers
    - - - Models
    - - - - Code.cs // This is where the above code is
    - - - wwwroot
    - - - Resources
    - - - - imgs
    - - - - fonts

When I am launching the application through visual studio it works fine, it finds the image. But when I deploy to AWS or to my local IIS I get the following error:

DirectoryNotFoundException: Could not find a part of the path 'C:\inetpub\wwwroot\MyApp\Resources\imgs\quote_background.png'.

What is the right way to reference this image?

Thanks

score 2 · Answer 1 · answered Jul 16 '17 at 15:47

2

You want to make sure you mark the files in your Resources folder as 'Copy to Output Directory' = 'Copy if newer'

that will make sure the files end up in your output when you publish the site.

answered Jul 16 '17 at 15:47

tocsoft

1,029
12
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score 1 · Accepted Answer · answered Jul 16 '17 at 05:34

1

You need to use the ContentRootPath from the IHostingEnvironment, which requires you to inject an IHostingEnvironment into your controller, e.g.:

public class ImageController : Controller
{
    private readonly IHostingEnvironment _hostingEnvironment;

    public ImageController(IHostingEnvironment hostingEnvironment)
    {
        _hostingEnvironment = hostingEnvironment;
    }

    public ActionResult Index()
    {
        var image = Image.Load(String.Format(@"{0}/Resources/imgs/quote_background.png", 
            _hostingEnvironment.ContentRootPath);
        //etc...
    }
}

There is also WebRootPath which gets you to the wwwroot.

answered Jul 16 '17 at 05:34

Matt

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4
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Hi Matt, thanks for the answer. I did as you said and still got the same error. It seems it is mapping to the same directory as before... When I publish the project the Resource folder indeed is not generated... Do you think I have to configure something...? – João Menighin Jul 16 '17 at 14:11
OK, see the other answer and [this one](https://stackoverflow.com/a/42713770/934407), are your images actually being published? – Matt Jul 17 '17 at 10:05
Thanks Matt... It did solve although I had to manually edit my .csproj because visual studio was prompting an error when I tried to set the properties... – João Menighin Jul 18 '17 at 13:07

.Net Core - Referenced file is not found when publish

2 Answers2