FIX: A redirected request causes the waitForResponse method of the ServerXMLHTTP class to fail (872788)


The information in this article applies to:

  • Microsoft XML 4.0 SP2

SYMPTOMS

You may use an object of the ServerXMLHTTP class to establish an HTTP connection to a Web site. When the Web site redirects your request to another Web site, the waitForResponse method of the ServerXMLHTTP class fails, and you receive the following error message:
This method cannot be called until the Send method has been called

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time    Version        Size       File name     
   ----------------------------------------------------------------
   06-Jul-2004  05:01   4.20.9826.0    1,234,432  Msxml4.dll
Note You must restart your computer after you install the hotfix.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

Steps to reproduce the problem

Note To reproduce the problem, you must have Microsoft XML 4.0 Service Pack 2 installed on your computer. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

818409 How to obtain the latest Microsoft XML 4.0 service pack

  1. In Notepad, or in a text editor of your choice, paste the following code:
    <code>
<%@ Language="JScript" EnableSessionState="False" %>
<%	
	var urlFetcher = new ActiveXObject("msxml2.ServerXMLHTTP.4.0");
	try
	{
		urlFetcher.open ("GET", "http://www.espn.com", true);
		urlFetcher.send();
		urlFetcher.waitForResponse (5);
		Response.Write(urlFetcher.status);

	}
	catch (e)
	{	
		Response.Write (e.message);
	}
%>
</code>
  2. Save the file as MyTestASP.asp in the following folder:

    hard disk drive\Inetpub\wwwroot

    Note hard disk drive is a placeholder for the drive where your Web server is installed.
  3. Start Microsoft Internet Explorer.
  4. In the Address bar, type http://localhost/MyTestASP.asp, and then click Go.
You notice the problem that is described in the "Symptoms" section.

REFERENCES

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information, visit the following Microsoft Developer Network (MSDN) Web sites:

waitForResponse method
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/xmmthwaitforresponse.asp

MSXML SDK overview
http://msdn.microsoft.com/library/en-us/xmlsdk/html/xmmscXMLOverview.asp

Modification Type:MajorLast Reviewed:4/7/2006
Keywords:kbQFE KBHotfixServer kbcode kberrmsg kbfix KB872788 kbAudDeveloper
©2004 Microsoft Corporation. All rights reserved.