MVC CustomError not found

Question

I'm trying to debug in VS express 2013 with my MVC4 application.

In a view, I've added a nonsense link, such as <a href="blah.asf">link,</a> but I don't see the intended View when I click on the link, I see the IIS page.

I did this by creating an ErrorController which is

public class ErrorController : Controller { public ActionResult Index() { return View(); } }

My view remains as the default, I didn't update it.

And my webconfig is

 <customErrors mode="On" defaultRedirect="~/Error"> </customErrors>

The routes are the default!

The IIS message is

HTTP Error 404.0 - Not Found

If I type in http://localhost:53258/error/ then I see the page, suggesting that the mapping is fine.

What have I done wrong?

I'm not sure why you think that the only requirement to display an error is to create an ErrorController that is very much not the case. — Erik Philips
– Erik Philips, Commented Mar 31, 2015 at 16:35
@ErikPhilips, I don't, hence the update to the web.config and the view... — MyDaftQuestions
– MyDaftQuestions, Commented Mar 31, 2015 at 16:43
@NathanTaylor, I tested it (and updated post), the page renders when I go there by typing localhost:53258/error — MyDaftQuestions
– MyDaftQuestions, Commented Mar 31, 2015 at 16:44
possible duplicate of Custom Error Page does not show even though I set CustomError="On" — Erik Philips
– Erik Philips, Commented Mar 31, 2015 at 16:50

Nathan Taylor · Accepted Answer · 2015-03-31 16:36:59Z

0

Check for this in your web.config, and add it if you don't have it:

<httpErrors errorMode="Custom" existingResponse="PassThrough" />

answered Mar 31, 2015 at 16:36

Nathan Taylor

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1 Comment

MyDaftQuestions Over a year ago

I get an error of the existingResponse attribute is not allowed. I tried it, but it makes no difference

Matt Millican · Accepted Answer · 2015-03-31 16:52:59Z

Try updating your customErrors node to add this:

<error statusCode="404" redirect="~/Error" />

Thus, your custom errors section would look like:

<customErrors mode="On"> <error statusCode="404" redirect="~/Error" /> </customErrors>

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