Need Help with Trivial Orchestration

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    • March 8, 2008 at 6:10 AM #19031
      community-content

        Hello,

        I’m new to BizTalk and I’m hoping someone will point me in the right direction.  I recently took a BizTalk class, and felt I understood things fairly well.  So I go back to my desk and start prototyping what is really a trivial application/orchestration.  It watches a folder for a flat-file.  Once found, it examines the contents of the flat file to obtain some information, then it FTP’s the file to another location, but renames it based on information contained in the file.  That part I got working pretty quickly.

        Here’s where things started to fall apart.  When the FTP is successful, I want to send a “success” email to myself.   If it fails (such as when the FTP login credentials are bad), I want to send a “failure” email to the BizTalk administrator and suspend the orchestration.  After the BizTalk administrator corrects the login information and resumes the instance, I’d like to receive the “success” email.

        This sounds so simple, yet I haven’t been able to make it work.  Perhaps I’m just not thinking in a BizTalk way.  What would be a good approach to this problem?

        Thanks

         

      • March 9, 2008 at 8:09 AM #19033
        community-content

          First of all, this hardly seems like a trivial orchestration. 🙂

          So the hard part sounds like being able to trap that the FTP failed and then be able to recover from it. Your FTP request will be sent as part of a port which can be difficult to recover from. You might try putting all of the logic to do with FTP in a separate orchestration (in this case the child one) so that you can call the child orchestration from the parent orchestration and catch if the child orchestration failed. Then you would handle the email logic.

          By the way, you can use the SMTP adapter to send an email message.

          Thanks, 

        • March 10, 2008 at 12:50 PM #19042
          community-content

            You want to look at a feature called “Delivery Notification”.  What happens is that the Orchestration will wait for an Acknowledgement(success) or Non-Acknowledgement(failure) flag from the Messaging engine.  You will be able to “trap” this error as a DeliveryFailureException.  So if you get beyond this exception, you know it was a success.

             Check out my blog post for more info:

             http://kentweare.blogspot.com/2007/11/biztalk-delivery-notification.html

            • March 21, 2008 at 3:53 PM #19104
              community-content

                Thanks to both of you for your suggestions.  I setup the Delivery Notification, and then subscribed to the ACK/NACK messages generated to send the emails.  I still need to refine it a bit, but I think this should do the trick.

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