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Enable Yellow Screen of Death on MVC 3

I had to take over an MVC 3 project from another developer. One of the first things he did was to stop the yellow screen of death so that all exceptions are only logged to a file. You now only get a generic message saying an error has occurred.

I would like to switch it back on (since it gets really annoying having to check through the logfiles the whole time) - how do I do this.

I checked through the web.config but I can't see where this happens.

I did try doing customerrors=off, but that didn't do anything. Also removed the global error handling attribute, didn't do anything.

On further clarification, it seems if an exception occurs in a controller I do get the yellow screen of death, but if it occurs in a (razor) view I just get a standard generic error.

You can see the web.config here You can see the global.asax here

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Jaco Pretorius Avatar asked Feb 09 '11 12:02

Jaco Pretorius


3 Answers

This question is a little old, but maybe this will help someone. In addition to setting <customerErrors mode="Off" />, also set this under <system.webServer>: <httpErrors errorMode="Detailed" />

<system.webServer>
   <httpErrors errorMode="Detailed"/>
</system.webServer>
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Chad Avatar answered Nov 05 '22 19:11

Chad


Normally you set this in web.config in the customErrors element under system.web. Just try to set mode=Off:

<customErrors mode="Off" />
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Jan Avatar answered Nov 05 '22 19:11

Jan


In Global.asax you can remove filters.Add(new HandleErrorAttribute()); from public static void RegisterGlobalFilters(GlobalFilterCollection filters).

As pointed out in the comments - the problem was with a Custom Base controller overriding the OnException Method.

like image 4
Filip Ekberg Avatar answered Nov 05 '22 19:11

Filip Ekberg