COMException in ServerXMLHTTP40

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Gavin Sullivan - 14 Sep 2004 11:39 GMT

Hi,

I've been trying to post some XML using the above the component but keep
getting the following Exception:

System.Runtime.InteropServices.COMException (0xC00CE56D)

The code is:

_postSystem = New MSXML2.ServerXMLHTTP40

xmlString = FetchXMLClientDetails(clientDetails)
xmlDocument.loadXML(xmlString)

_postSystem.open("POST", "https://someSite/blahblah.cfm", False)
_postSystem.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded")

_postSystem.send(xmlDocument)

The FetchXMLClientDetails just returns XML in the form <tag>XXXX</tag>, etc.

Any help would be appreciated.

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John Wadie - 14 Sep 2004 13:10 GMT

Using MSXML in .NET applications through COM interoperability can result in
unexpected problems. Take a look at

Use of MSXML is Not Supported in .NET Applications
http://support.microsoft.com/default.aspx?scid=kb;en-us;815112

You can get the same functionality through the System.Web.HttpWebRequest
class, take a look at

Implement Common MSXML Tasks in System.xml By Using Visual C# .NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;330589

Cheers,
John Wadie

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Gavin Sullivan - 17 Sep 2004 15:55 GMT

> Using MSXML in .NET applications through COM interoperability can result in
> unexpected problems. Take a look at
[quoted text clipped - 10 lines]
> Cheers,
> John Wadie

Cheers for that John,

Had I known it would have saved me days!!

Tried the sample in C# (and VB for that matter), now get a new error:

a System.Net.WebException - The underlying connection was closed: Unable to
connect to the remote server.

I don't see any Open() method in the object!

Any ideas as to the cause?

Best Regards,
Gavin

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COMException in ServerXMLHTTP40

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