How to configure ELMAH to work with Windows Azure? I get a 404 on Elmah.axd

问题

I have an ASP.NET MVC web role running on Windows Azure and have setup ELMAH properly in the web.config. I also have my global.asax ignore *.axd routes. Locally, I am able to load /elmah.axd, however when I deploy to Azure, I get a 404 on that page. Has anyone gotten ELMAH working on Azure?

回答1:

Azure is based on Windows Server 2008 and IIS7. This means that you need to populate the system.webServer part of the web.config file.

The sample file included with elmah's source code contains the details that you need to put in.

<system.webServer>
  <validation validateIntegratedModeConfiguration="false"/>
  <modules>
    <remove name="ScriptModule" />
    <add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah"/>
  </modules>
  <handlers>
    <remove name="WebServiceHandlerFactory-Integrated"/>
    <remove name="ScriptHandlerFactory" />
    <remove name="ScriptHandlerFactoryAppServices" />
    <remove name="ScriptResource" />
    <add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode"
         type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    <add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode"
         type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
    <add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
    <add name="elmah" verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />
  </handlers>
</system.webServer>

There are 2 elmah lines in the above block of xml that you will need to include, and the section in general should contain most if not all of those elements anyway.

EDIT: No longer required as this is now on by default:

~~For Elmah to work you will also need to modify the following line in your ServiceDefinition.csdef file:~~

<WebRole name="WebRole" enableNativeCodeExecution="true">

回答2:

Also secure the file so only allowed users can view the error logs!

<location path="admin/elmah.axd">
    <system.web>
        <authorization>
            <allow roles="Administrator" />
            <deny users="*" />
        </authorization>
    </system.web>
</location>

回答3:

I think additionally (to what suggested by @mat1t here) you may need to set remote access to 1:

<elmah>
<security allowRemoteAccess="0" />
..............
..............
</elmah>

来源：https://stackoverflow.com/questions/939783/how-to-configure-elmah-to-work-with-windows-azure-i-get-a-404-on-elmah-axd

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