StackExchange MiniProfiler UrlRoutingModules does not implement IHttpHandlerFactory

Question

Miniprofiler on my site has stopped working. In Chrome console, I get a 500 error on:

/mini-profiler-resources/includes.js?v=4.0.0.0

The error is:

Server Error in '/' Application.

System.Web.Routing.UrlRoutingModule does not implement IHttpHandlerFactory or IHttpHandler.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

My web.config file has the following relevant lines:

  <system.webServer>
    <handlers>
      <add name="MiniProfiler" path="mini-profiler-resources/*" verb="*" type="System.Web.Routing.UrlRoutingModule" resourceType="Unspecified" preCondition="integratedMode" />
    </handlers>
    <modules>
      <add name="DynamicURLRewrite" type="C3.Code.Controls.Application.Rewriting.URLRewriter" />
      <remove name="TelemetryCorrelationHttpModule" />
      <add name="TelemetryCorrelationHttpModule" type="Microsoft.AspNet.TelemetryCorrelation.TelemetryCorrelationHttpModule, Microsoft.AspNet.TelemetryCorrelation" preCondition="integratedMode,managedHandler" />
      <remove name="ApplicationInsightsWebTracking" />
      <add name="ApplicationInsightsWebTracking" type="Microsoft.ApplicationInsights.Web.ApplicationInsightsHttpModule, Microsoft.AI.Web" preCondition="managedHandler" />
    </modules>

What is the value for runAllManagedModulesForAllRequests in your web.config? — Tarun Lalwani
– Tarun Lalwani, Commented Oct 10, 2017 at 20:21
What version of IIS are you running? support.microsoft.com/en-us/help/980368/… — Oluwafemi Sule
– Oluwafemi Sule, Commented Oct 11, 2017 at 7:36
@OluwafemiSule also cannot install the hotfix, "The certificate for the signer of the message is invalid or not found" — Tom Gullen
– Tom Gullen, Commented Oct 11, 2017 at 10:31

Tarun Lalwani · Accepted Answer · 2017-10-12 11:26:42Z

1

+300

Please add below

  <system.webServer>
    <modules runAllManagedModulesForAllRequests="true" />
  </system.webServer>

To web.config and see if it helps? If that doesn't work then check if you are able to access the files using localhost

http://127.0.0.1:<port>/mini-profiler-resources/includes.js?‌v=4.0.0.0

If nothing works give uninstall and reinstalling MiniProfiler also a shot. Sometime re-installations do wonders

edited Oct 12, 2017 at 11:26

answered Oct 11, 2017 at 10:40

Tarun Lalwani

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5 Comments

Tarun Lalwani Over a year ago

Can you check if http://127.0.0.1:<port>/mini-profiler-resources/includes.js?v=4.0.0.0 works? Use the port configured

Tarun Lalwani Over a year ago

See if this helps ? stackoverflow.com/questions/6555533/mvc-mini-profiler-1-4-iis

Tom Gullen Over a year ago

Unfortunately not

Tom Gullen Over a year ago

Reinstalled Miniprofiler and got it working again now. Not sure why that fixed it. IF you want to edit your answer to suggest uninstall/reinstall I'll mark it as correct as you tried to help :)

Tarun Lalwani Over a year ago

@TomGullen, glad it works for you now :-). Answer updated

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