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Profiling JSON.net

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icube



Joined: 24 Oct 2012
Posts: 2
Location: Singapore

PostPosted: Fri Oct 26, 2012 8:54 am    Post subject: Profiling JSON.net Reply with quote

Hi,

I have a problem profiling my app which uses the JSON.net library. http://json.codeplex.com/. It reports the following exception: VerificationException: Operation could destabilize the runtime.

And yes, my app runs smoothly when it is not profiling. Thanks!
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james.billings



Joined: 16 Jun 2010
Posts: 1121
Location: My desk.

PostPosted: Mon Oct 29, 2012 1:20 pm    Post subject: Reply with quote

We've seen this previously- it's due to some tighter security that's incompatible with line level timings.

You can get around it by changing some of the Json source:

- find JsonWriter.cs
- comment out "[assembly:System.Security.SecurityTransparent]"
- expand the "properties" folder
- comment out "[assembly:AllowPartiallyTrustedCallers]" in the #if !SILVERLIGHT region
- rebuild your solution

With those changes, it should hopefully work. You can uncomment the lines again when you release your app if you wish.
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