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426

answers:

1
Q: 

What is the cause of intermittent Async_ExceptionOccurred errors in a silverlight app?

I have a Silverlight 3 app deployed at multiple customer sites. Customers are occasionally getting a System.Reflection.TargetInvocationException with an inner exception of Async_ExceptionOccurred.

What is the cause of this? Is it just unreliability in the communications with the server? Is there any way to configure WCF to do an automatic retry of messages?

A: 

I've seen it when our IIS servers run out of memory and the the services are no longer responding to the client. They seem to go away with an IIS reset

Dan  2010-05-10 18:25:07

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