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Todd Uhl BizTalk/WSE/Indigo

Anyone who has done anything with BizTalk has run into the “could not find a matching subscription error” at one time or another.  Keep in mind that under the covers, BizTalk operates under a Publish/Subscibe architecture.  What this message is telling us is that nothing has subscribed to our message with it's current properties (namespace, root element, port, etc).  This is where the BTSSubscriptionViewer comes in.

This handy little, often forgot about tool can be found buried deep within the /Program Files/Microsoft BizTalk Server 2004/SDK/Utilities directory.  Once you launch the tool, select Load under the Main menu to load all the current subscriptions (remember, subscriptions can constantly change due to Convoy patterns, dehydrated orchestrations, etc).

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The top of the window will display the current subscriptions, and bottom pane will display detailed information about the specific subscription.  So, how is this going to help us?  Well, if you find your orchestration in the top pane, chances are there is an issue with the subscriptions information.  For instance, perhaps your message has the wrong namespace, or root node, so it doesn't match the subscription in the format of http://YourNameSpace#MessageType .  Keep this in mind when dealing with Multi-part messages.  I have seen people have the parts reversed, so when the subscription is created the body of the message type is pointing to the wrong body part.  Also, if you are using Correlation, this will be helpful to see what the correlation value has been set to (don't forget to set your follow correlation set!!!).

So, remember, when your subscriptions are not found, launch the BTSSubscriptionViewer tool to find out what's going on under the covers.

 

Posted on Wednesday, March 9, 2005 3:46 AM | Back to top


Comments on this post: Our friend BTSSubscriptionViewer.exe.....

# re: Our friend BTSSubscriptionViewer.exe.....
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Where is he picture?
Left by Szokelizer on Mar 10, 2005 4:27 PM

# re: Our friend BTSSubscriptionViewer.exe.....
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Sorry about that...was having some issues with my web server. Should be there now!!!
Left by Todd Uhl on Mar 11, 2005 10:22 PM

# re: Our friend BTSSubscriptionViewer.exe.....
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Todd,
In a high availability situation, If a subscribing orchestration has stopped or has been taken offline for bugfixing, is there any way we can get round this 'subscription not found' error? (ie) the orchestrations that publish messages to the message box are in different assemblies so the whole system doesnt stop for deployments.

Any thoughts?
benjy
Left by Benjy on Jan 28, 2006 7:13 PM

# re: Our friend BTSSubscriptionViewer.exe.....
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What if no namespace is associated with message? I have removed target name space and subscription is failing. It says 'Could not find a matching subscription' although I've promoted required fields.
Left by Sanket on May 13, 2006 2:09 PM

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