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  2. Error message when you use the HTTP.NET SDK Sample Adapter to send messages in Microsoft BizTalk Server 2006 R2: "The adapter failed to transmit message going to send port "httpnet" with URL "http://<URL>""

Error message when you use the HTTP.NET SDK Sample Adapter to send messages in Microsoft BizTalk Server 2006 R2: "The adapter failed to transmit message going to send port "httpnet" with URL "http://<URL>""

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Symptoms

In Microsoft BizTalk Server 2006 R2, you receive the following error message when you use the HTTP.NET SDK Sample Adapter to send messages under load:
The adapter failed to transmit message going to send port "httpnet" with URL "http://URL". It will be retransmitted after the retry interval specified for this Send Port. Details:"An unexpected failure occurred while processing a message. The text associated with the exception is "The request was aborted: The request was canceled.".".

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Cause

This issue occurs because of a problem in the ProcessMessage function in the HttpTransmitterEndpoint.cs file.

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Workaround

To resolve this issue, change the ProcessMessage function as follows. Then, recompile and redeploy the SDK sample

Original function
public override IBaseMessage ProcessMessage(IBaseMessage message)
        {

            this.solicitMsg = message;

            HttpAdapterProperties props = new HttpAdapterProperties(message, this.propertyNamespace);
            IBaseMessage responseMsg = null;

            if (props.IsTwoWay)
            {
                WebResponse response = SendHttpRequest(this.solicitMsg, props);
                responseMsg = BuildResponseMessage(response);
            }
            else
            {
                WebResponse response = SendHttpRequest(this.solicitMsg, props);
                response.Close();
            }

            return responseMsg;
        }
        }

New function

public override IBaseMessage ProcessMessage(IBaseMessage message)
        {

            HttpAdapterProperties props = new HttpAdapterProperties(message, this.propertyNamespace);
            IBaseMessage responseMsg = null;

            if (props.IsTwoWay)
            {
                WebResponse response = SendHttpRequest(message, props);
                responseMsg = BuildResponseMessage(response);
            }
            else
            {
                WebResponse response = SendHttpRequest(message, props);
                response.Close();
            }

            return responseMsg;
        }

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Status

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

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Keywords: KB972175, kbprb, kbexpertiseadvanced, kbtshoot, kbbug, kbexpertiseinter

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Article Info
Article ID : 972175
Revision : 1
Created on : 6/15/2009
Published on : 6/15/2009
Exists online : False
Views : 346