Received a “System.NotImplementedException” in custom pipeline component

While developing a custom pipeline component I began receiving a System.NotImplementedException when testing the pipeline from an Isolated Host.

After a bit of research, we found the following:

http://www.biztalkgurus.com/forums/p/11372/22514.aspx

Turns out the problem originates from the Http Adapter, which implements the Setter on the MessagePart.BodyPart.Data property, but not the Getter.

The solution was to change the code that retries the message stream from using MessagePart.BodyPart.Data to using MessagePart.GetOriginalDataStream().