IIS 7.5: sending http status code 422 with custom errors on

生来就可爱ヽ(ⅴ<●) 提交于 2020-01-21 10:45:28

问题


I use custom action filter in asp.net mvc app to return http status code 422 and json list of validation errors (basically serialized model state dictionary) to client, where I handle that with global ajaxError handler in jQuery.

All of this works on development enviroment, but my problem is when custom errors mode is on (<system.webServer>/<httpErrors errorMode="Custom">), IIS replaces response (json) with text "The custom error module does not recognize this error."

I'm having hard time properly configuring IIS to pass-through original response if status code is 422. Anyone did something similar?


回答1:


If web server is configured to pass through existing response, it will return json contents to browser.

<system.webServer>
  <httpErrors errorMode="DetailedLocalOnly" existingResponse="PassThrough">
  </httpErrors>
</system.webServer>

MSDN: httpErrors Element [IIS Settings Schema]




回答2:


Make the following settings for IIS 7.5, this works fine for me, the most important thing here was the installation of the existingResponse="Replace":

<httpErrors errorMode="DetailedLocalOnly" existingResponse="Replace" detailedMoreInformationLink="http://YouLink" lockAttributes="allowAbsolutePathsWhenDelegated,defaultPath">
            <error statusCode="401" prefixLanguageFilePath="" path="C:\path\to\401.htm" responseMode="File" />
            <error statusCode="403" prefixLanguageFilePath="" path="C:\path\to\403.htm" responseMode="File" />
            <error statusCode="404" prefixLanguageFilePath="" path="C:\path\to\404.htm" responseMode="File" />
            <error statusCode="405" prefixLanguageFilePath="" path="C:\path\to\405.htm" responseMode="File" />
            <error statusCode="406" prefixLanguageFilePath="" path="C:\path\to\406.htm" responseMode="File" />
            <error statusCode="412" prefixLanguageFilePath="" path="C:\path\to\412.htm" responseMode="File" />
            <error statusCode="500" prefixLanguageFilePath="" path="C:\path\to\500.htm" responseMode="File" />
            <error statusCode="501" prefixLanguageFilePath="" path="C:\path\to\501.htm" responseMode="File" />
            <error statusCode="502" prefixLanguageFilePath="" path="C:\path\to\502.htm" responseMode="File" />
            <error statusCode="400" prefixLanguageFilePath="" path="C:\path\to\400.htm" responseMode="File" />
</httpErrors>


来源:https://stackoverflow.com/questions/12908764/iis-7-5-sending-http-status-code-422-with-custom-errors-on

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