Debug Iis7 500 Internal Server Error
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Iis7 500 Internal Server Error Asp
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Iis7 500 Internal Server Error Asp.net 4
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500 Internal Server Error Iis7 5
answer The best answers are voted up and rise to the top How to diagnose a 500 Internal Server Error on IIS 7.5 when nothing is written to the event log? up vote 19 down vote favorite 7 I've just deployed an update to an existing ASP.NET MVC3 site (it was already configured) and I'm getting the IIS blue screen of death stating HTTP Error http 500 internal server error iis7 classic asp 500.0 - Internal Server Error The page cannot be displayed because an internal server error has occurred. However; there is nothing showing up in the Application Event Log where I would expect to see a (more) detailed description of the entry. How can I go about diagnosing this issue? iis-7.5 windows-event-log 500-error asp.net-mvc share|improve this question edited Jul 16 '12 at 7:55 asked Jul 15 '12 at 21:25 Greg B 4843825 I've had the exact same issue here. In my experience, if the event log is empty than the request wasn't correctly routed to the worker process. In one of our recent deployments we saw the app work intermittently with about 50% of the requests randomly failing with the 500 error and nothing in the logs. I suspect something is going wrong with the AppDomain unload that occurs after deployment. Out of curiosity, are you running antivirus in your production environment? Does an IIS reset solve the issue (until the next deployment)? –ShadowChaser Feb 21 '13 at 16:17 add a comment| 4 Answers 4 active oldest votes up vote 22 down vote accepted Take a look at IIS7's Failed Reque
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23, 20112 0 0 0 Update November 2012 – See my new blog entry Debugging Azure HTTP 500 Errors. This blog no https://blogs.msdn.microsoft.com/rickandy/2011/11/23/debugging-http-500-internal-server-error-with-windows-azure-sdk/ longer applies to Azure. I was working on a lab using http://www.dotnetnoob.com/2012/03/iis-500-errors-leave-clues-in-log.html the Windows Azure SDK when I got 500 server error Not a descriptive error message. The Windows Azure Tools for Microsoft Visual Studio (WATVS) creates a new application pool and web site on the fly when you run your Web application locally. The Azure tools do this internal server to mimic how Azure runs applications in the cloud. The default setting on IIS for detailed errors is to only display for local addresses. (See http://learn.iis.net/page.aspx/267/how-to-use-http-detailed-errors-in-iis/ ). To get a robust error message you need to use a local address. You can get a local address by changing the site binding with IIS Manager. Select the web site in internal server error the connections pane, right click and select Edit Bindings.
In the Edit Site Bindings dialog, select the binding (the line in blue highlighting below), then select Edit. Change the IP address from All Unassigned to *. OK, then Close. In IIS Manager, in the Actions pane, select Browse *.8x(http) . Now when you run the Azure application, you’re rewarded with rich error information. In my case, the root Web.config of the application had a duplicate section in the the configSections element. The configSections is used for registering all IIS and Windows Activation System (WAS) sections. HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Config Error : There is a duplicate ‘system.web.extensions/scripting/scriptResourceHandler' section defined I commented out the duplicate line and the application worked. Alternate approach – Editing ApplicationHost.config I was doing lots of labs, and each Azure application creates a dedicated web site and application pool (as mentioned previously, to more closely mimic Azure cloud deployment.) As yIIS 500 errors leave clues in the log Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Yesterday I was playing around with thevalidateIntegratedModeConfiguration="true" setting on IIS 7.5. To my surprise I got an empty response back, with no indication of what went wrong. Looking at the response with Fiddler yields: HTTP/1.1 500 Internal Server Error Server: Microsoft-IIS/7.5 X-Powered-By: ASP.NET Date: Mon, 05 Mar 2012 15:59:52 GMT Content-Length: 0 There's not much to work with here! I checked the event log, there was nothing there. So I started looking around for an error log of some sort (I used to play with Apache back in the days) turns out there's no such thing in IIS. Some googling led me to an in-depth article:Troubleshoot IIS7 errors like a pro. I enabled detailed error messages for my website, still no luck. Finally, I figured out that the easiest way to get an indication of what's going on is to check the IIS log. In the default setup, IIS keeps the logs for each website in:C:\inetpub\logs\LogFiles. Here's a log entry from my logfile (shortened for readability): 2012-03-05 15:59:52 ::1 GET /Somesite/ - 443 - ::1 Mozilla/5.0 500 22 50 1 Notice the "500 22" in the log? That's the 500 error, along with its substatus. The substatus is the key here, as you can look that up inMicrosoft's document onThe HTTP status codes in IIS 7.0 and in IIS 7.5. Voila, my error was actually: 500.22 - An ASP.NET httpModules configuration does not apply in Managed Pipeline mode. I can work with that. Of course, you could also enable failed request tracing in IIS if you're a pro, here's a walkthrough by the IIS team:Troubleshooting Failed Requests Using Tracing in IIS 7. I tried it, and it also revealed the substatus of the response. Still, checking the IIS log was a much faster way of getting an indication of what the problem was, and sometimes that's all you need. So check your logs first, then start troubleshooting like a pro! Posted by André N. Klingsheim at Tuesday, March 06, 2012 Labels: ASP.NET, IIS 7.5, Ninja tricks, server 2008 4 comments: Anonymous31 March, 2014 22:55Just wanted to express my thanks for this article. It just saved my bacon! May you receive extra karma today!ReplyDeleteAnonymous24 September, 2014 15:11I'm getting error 500 when a POST reques