ASP.NET MVC 404处理和IIS7＆LT; httpErrors＆GT; [英] ASP.NET MVC 404 handling and IIS7 <httpErrors>

问题描述

美好的一天！

我用的策略来处理这样的404错误：<一href=\"http://stackoverflow.com/questions/3545906/error-handling-for-asp-net-mvc-2-and-iis-7-0\">http://stackoverflow.com/questions/3545906/error-handling-for-asp-net-mvc-2-and-iis-7-0或本：<一href=\"http://stackoverflow.com/questions/619895/how-can-i-properly-handle-404s-in-asp-net-mvc/620559#620559\">http://stackoverflow.com/questions/619895/how-can-i-properly-handle-404s-in-asp-net-mvc/620559#620559

总之：我处理404在的Global.asax 例外，不添加任何路由规则，如果异常是404我渲染错误讯息专用控制器\\行动<。 / p>

在IIS6它与ASP.NET通配符映射。在IIS7集成模式我需要添加以下到的Web.config （其中 /故障/ HttpError404 是我的404页的动作）​​：

 ＆LT; httpErrors＆GT;
        ＆LT;清除状态code =403子状态code = -  1/＆GT;
        ＆LT;清除状态code =404子状态code = -  1/＆GT;
        ＆LT;错误状态code =404prefixLanguageFilePath =PATH =/故障/ HttpError404responseMode =ExecuteURL/＆GT;
        ＆LT;错误状态code =403prefixLanguageFilePath =PATH =/故障/ HttpError403responseMode =ExecuteURL/＆GT;
    ＆LT; / httpErrors＆GT;
 

为什么呢？路由的工作方式不同在IIS集成模式和IIS6通配符映射？

在此先感谢！

更新：
根据我的测试，似乎我的错误处理的作品和我的404的动作呈现，但似乎IIS看到404响应code（我设定编程在我的404行动），并用默认的​​错误取代我的网页。

当我设置＆LT; httpErrors＆GT; 我得到了404页两支安打：一个来自异常处理的Global.asax 和一个从IIS。

可这是原因？

解决方案

看来我已经在的Web.config 设置固定的：

 ＆LT; httpErrors existingResponse =直通/＆GT;
 

Good day!

I use strategy to handle 404 errors like this: http://stackoverflow.com/questions/3545906/error-handling-for-asp-net-mvc-2-and-iis-7-0 or this: http://stackoverflow.com/questions/619895/how-can-i-properly-handle-404s-in-asp-net-mvc/620559#620559

In short: I handle 404 as exception in Global.asax without adding any routing rules, if the exception is 404 I render special controller\action with error message.

On IIS6 it works with ASP.NET wildcard mapping. On IIS7 in integrated mode I need to add the following to the Web.config (where /error/HttpError404 is my action with 404 page):

    <httpErrors>
        <remove statusCode="403" subStatusCode="-1" />
        <remove statusCode="404" subStatusCode="-1" />
        <error statusCode="404" prefixLanguageFilePath="" path="/error/HttpError404" responseMode="ExecuteURL" />
        <error statusCode="403" prefixLanguageFilePath="" path="/error/HttpError403" responseMode="ExecuteURL" />
    </httpErrors>

Why? Routing works differently on IIS integrated mode and IIS6 wildcard mapping?

Thanks in advance!

UPDATE: According to my tests it seems that my error handling works and my 404 action is rendered, but it seems that IIS sees 404 response code (which I set programmatically in my 404 action) and replace my page with default errors.

When I set <httpErrors> I got two hits for 404 page: one from exception handling in Global.asax and one from IIS.

Can this be the cause?

解决方案

It seems I have fixed it by setting in Web.config:

<httpErrors existingResponse="PassThrough" />

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