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Error authorizing user - Value does not fall within the expected range.

04-20-2011 04:56 AM
New Contributor
Hello All,

I am occassionaly getting Invalid Url response in the silverlight app that uses the ArcGIS REST API. When I check the rest log. I see the following error:

Log Entry : 4/20/2011 7:44:54 AM
  ERROR:Error authorizing user
  :Value does not fall within the expected range.

The error is unpredictable. Once I reload the app, everything works fine. I only get this error occassionaslly.

If i use the above url in the browser directly, I see a valid json response.

Any idea what is going on?

I am using ArcGIS server 9.3.1 with service pack 2 with Quality Improvement Patch.
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2 Replies
New Contributor
We are also facing similar kind of issue. Did you find the root cause of this problem? Pls share.
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New Contributor
This link will give you detail explaination on the root cause of the problem.

We discovered that it is the threading issue in the ESRI REST API that is causing this problem.
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