500 - Internal server error when calling web services - Sitefinity - On Premise – Configurations & Setup

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Posted by Community Admin on 08-Jun-2012 00:00

Hi All,

I'm having some trouble with a SF5 install on a new host that I'm evaluating. I see a 500 error whenever the browser makes a PUT request to a SF web service (e.g. /Sitefinity/Services/Pages/PagesService.svc)

I have added the following to my web.config file as suggested in other posts on this error

<machineKey validationKey=

"249339EAFECA2359B8E0B6AB6296F7E494DD2ECE84BE33500B52CF2A57DE2EB405CCAE821A6C0B1181A8361FCB212D266B730D1E5F9546123FEAB4B3A7A9B033"

decryptionKey="4CEC8E1D84ED2BA570D5E4C2E3C53E69ED7092EA8000842F751A3C9871961703" validation="SHA1" decryption="AES" />

<trust level="Full" />

I ran the Svc Trace Viewer on the trace file I generated, and saw this warning

Configuration evaluation context not found

(Open ServiceHost 'Telerik.Sitefinity.Modules.Pages.Web.Services.PagesService')

I have asked that the hosting support team ensure the PUT verb is on for .svc services, but haven't heard back from them as of yet.

Is there anything else I might ask the hosting support team to look for in the IIS settings to help resolve?

Any help here would be greatly appreciated,
Nick

Posted by Community Admin on 08-Jun-2012 00:00

In case anyone else has this problem, here's how I solved it :

In order to get a better error message from IIS, I added the following to my web.config file

<system.webServer>

<httpErrors errorMode="Detailed"/>

<asp scriptErrorSentToBrowser="true"/>

This allowed me to see which handler was causing the 500 error (LiveStreamingHandler). As I'm on a shared hosting plan, I removed that particular handler (luckily I don't need to use it) by adding this to the web.config file

<system.webServer>

<remove name="LiveStreamingHandler" />

After adding that, the web services no longer return with a 500 error.

Cheers,
Nick

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