ASP.NET Ajax Error: Sys.WebForms.PageRequestManagerParserErrorException

Posted by Phil Bennett on Stack Overflow See other posts from Stack Overflow or by Phil Bennett
Published on 2008-11-14T13:45:46Z Indexed on 2010/05/21 17:20 UTC
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error-message

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ajax.net

My website has been giving me intermittent errors when trying to perform any Ajax activities. The message I get is

Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.

Details: Error parsing near '

So its obviously some sort of server timeout or the server's just returning back mangled garbage. This generally, unfortunately not always, happens when the site has been idle for a while. Anybody else been able to overcome this?

Thanks

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