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Mvc Error Handling Web.config

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to make custom error pages work in ASP.NET MVC 4 up vote 170 down vote favorite 81 I want a custom error page shown for 500, 404 and 403. Here's what I have done: Enabled custom errors in the web.config as follows: Registered HandleErrorAttribute as a global action filter in the FilterConfig class as follows: public static void RegisterGlobalFilters(GlobalFilterCollection filters) { filters.Add(new CustomHandleErrorAttribute()); filters.Add(new AuthorizeAttribute()); } Created a custom error page for each of the above messages. The default one for 500 was already available out of the box. Declared in each custom error page view that the model for the page is System.Web.Mvc.HandleErrorInfo For 500, it shows the custom error page. For others, it doesn't. Is there something I am missing? It does look like this is not all there is to displaying custom errors as I read through the code in the OnException method of the HandleErrorAttribute class and it is handling only 500. What do I have to do to handle other errors? asp.net asp.net-mvc asp.net-mvc-4 share|impro

you're not alone. It's surprisingly difficult to do this correctly, not helped by the fact that some errors are handled by ASP.NET and others by IIS. Ideally (and I expect such is the case with some other frameworks/servers) we would just configure our custom error pages in one place and it would just work, no matter how/where the error was raised. Something like: Custom 404 error pages When a resource does not exist (either static or dynamic) we should return http://stackoverflow.com/questions/13905164/how-to-make-custom-error-pages-work-in-asp-net-mvc-4 a 404 HTTP status code. Ideally we should return something a little friendlier to our site visitors than the error pages built in to ASP.NET/IIS, perhaps offering some advice on why the resource may not exist or providing an option to search the site. For the purposes of this blog post, my custom 404 page is very simple, but you can see some really nice http://benfoster.io/blog/aspnet-mvc-custom-error-pages examples here. 404 Page Not Found

404 Page Not Found

I created a new ASP.NET MVC 5 application using the standard template in Visual Studio. If I run the site and try to navigate to a resource that does not exist e.g. /foo/bar, I'll get the standard ASP.NET 404 page with the following information: Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /foo/bar Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.33440 Not exactly friendly, is it? In this case the error was raised by ASP.NET MVC because it could not find a matching controller and/or action that matched the specified URL. In order to set up a custom 404 error page add the following to web.config inside : I've set mode="On" so we can view the custom errors pages locally. Ge

30, 2013 by trailmax | 3 Replies It is vital for your application security not to show any internals when error happen. And you should be able to replace all internal error messages to nice user-friendly pages. http://tech.trailmax.info/2013/08/error-handling-in-mvc-and-nice-error-pages/ It is a just nice for users - they are not getting splashes of oil, http://www.c-sharpcorner.com/uploadfile/618722/custom-error-page-in-asp-net-mvc/ when engine is exploded, also another measure to improve site security. There are lot of articles about error handling in ASP.Net MVC, but most of them do not cover the whole range. There is a very good resource on this, and I do recommend reading and understanding that first. With error handling there are a lot of edge cases, mvc error and for every single one of them you need to provide a solution, otherwise your error messages will talk too loud about your implementation and that can lead to security vulnerability. Upd 18/03/2016 There are a ton of similar articles on this topic. Here are some nice ones: Ben Foster - probably this one is the most comprehensive and worth reading first. Mahesh Sabnis Milevis Here is the list of edge cases I came up mvc error handling with: Exception thrown in controller Controller or controller action is not found Page not found, but outside of the MVC pipeline Exception in IIS pipeline Cases when IIS can't handle the request all together. Exception thrown in controller. When exceptions are thrown in your code, most of the time they will be thrown in MVC pipeline and handled by MVC error handling mechanisms. First of all you need enable CustomErrors in web.config: For that you need to add HandleErrorAttribute to the list of MVC filters in your Global.asax.cs: protected void Application_Start() { // other configurations... GlobalFilters.Add(new HandleErrorAttribute()); } This filter basically catches the exceptions from controllers and redirects users to ~/Views/Shared/Error.cshtml. The problem is that there is no controller behind this view and no easy way to log your errors. Fair enough, you probably have ELMAH writing exception messages and stack traces, but you need to check for that regularly. I prefer to look on my logs that show all messages across all our application instances. And then when debugging is required, I look on ELMAH. So here is my Error.cshtml @model System.Web.Mvc.HandleErrorInfo @{ var logger = new LoggingService(.. your dependencies ..); logger.SetLoggerName("Internal Error Page"); var exception = Model.Exception; logger.Error("Exception {0} thrown in controller {1} action {2}. Exception message: {3}", excepti

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ApplicationError:

Sorry,anerroroccurredwhileprocessingyourrequest.

@Htm

 

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