Web.config 常见配置（IIS）

最新推荐文章于 2025-06-04 11:03:24 发布

Zhen (Evan) Wang

最新推荐文章于 2025-06-04 11:03:24 发布

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分类专栏： aspx IIS

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本文详细记录了IIS中关于MVC的常见配置，包括增加FileExtension（mime map）和设置maxAllowedContentLength，以及如何处理HTTP异常，如HttpException和InvalidOperationException。针对无法正常处理的URL编码表单数据、文件上传和JSON负载问题，提供了具体的解决方案。

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记录常见MVC 配置项，后续会不断更新。

1. IIS增加FileExtendsion（mime map）和 maxAllowedContentLength

在 system.webServer 节点中增加 staticContent，

<system.webServer>
<staticContent>
<remove fileExtension=".woff" />
<remove fileExtension=".woff2" />
<mimeMap fileExtension=".woff" mimeType="application/font-woff" />
<mimeMap fileExtension=".woff2" mimeType="application/font-woff" />
<remove fileExtension=".wasm" />
<remove fileExtension=".mem" />
<remove fileExtension=".json" />
<remove fileExtension=".appcache" />
<mimeMap fileExtension=".wasm" mimeType="application/javascript" />
<mimeMap fileExtension=".mem" mimeType="application/javascript" />
<mimeMap fileExtension=".json" mimeType="application/json" />
<mimeMap fileExtension=".appcache" mimeType="application/javascript" />

</staticContent>

<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="102400000" />
</requestFiltering>
</security>
</system.webServer>

2. https://support.microsoft.com/en-us/help/2661403/an-asp-net-request-that-has-lots-of-form-keys-files-or-json-payload-me

1.1 Message 1:

1.2 Message 2:

1.3 Message 3:

Application information:
Application domain: /LM/W3SVC/1/ROOT/<App Domain>
Trust level: Medium
Application Virtual Path: <VDIR Path>
Application Path: <App Path>
Machine name: <Machine Name>

Process information:
Process ID: 0001
Process name: w3wp.exe
Account name: IIS APPPOOL\DefaultAppPool

Exception information:
Exception type: InvalidOperationException
Exception message: Operation is not valid due to the current state of the object.
at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeDictionary(Int32 depth)
at System.Web.Script.Serialization.JavaScriptObjectDeserializer.DeserializeInternal(Int32 depth)
at System.Web.Script.Serialization.JavaScriptObjectDeserializer.BasicDeserialize(String input, Int32 depthLimit, JavaScriptSerializer serializer)
at System.Web.Script.Serialization.JavaScriptSerializer.Deserialize(JavaScriptSerializer serializer, String input, Type type, Int32 depthLimit)
at System.Web.Script.Serialization.JavaScriptSerializer.DeserializeObject(String input)
at Failing.Page_Load(Object sender, EventArgs e)
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Resolution：解决方案

Message 1 and Message 2

<configuration>
<appSettings>
<add key="aspnet:MaxHttpCollectionKeys" value="1000" />
</appSettings>
</configuration>

Message 3

<configuration>
<appSettings>
<add key="aspnet:MaxJsonDeserializerMembers" value="1000" />
</appSettings>
</configuration>