Programming microsoft biztalk server 2006

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Learn more. Asked 13 years, 2 months ago. Active 4 years, 3 months ago. Viewed 2k times. Improve this question. Dijkgraaf 9, 16 16 gold badges 36 36 silver badges 52 52 bronze badges. Vincent Wang Vincent Wang. Add a comment. Active Oldest Votes. Check you have no errors in the event viewer. You can also look in the admin console to check where the send port is pointing.

Say you have two orchestrations, A and B. Now, any messages you send from that port in Orchestration B will be immediately routed to the logical Receive port you created in Orchestration A. This is a great way to have orchestrations run asynchronously, while having some kind of broker be able to receive Acks or Nacks from other orchestrations.

Orchestration-to-Orchestration Direct-Bound Partner ports are for sending messages asynchronously. One orchestration specifies the Direct-Bound port, and the other orchestration the partner specifies itself.

Either the sender or the receiver can be the one that refers to the Direct-Bound port. Now for the fun part. A common pitfall with Direct-Bound ports, particularly the Message Box variety, is creating an infinite loop.

When this orchestration sends the message out, where does it go? As always, first to the Message Box. Whenever a message arrives in the Message Box, BizTalk searches for any subscriptions that match. And how will this message differ from the message that activated the orchestration in the first place? One way to fix this is to copy the inbound message to a newly constructed outbound message and change the value of at least one promoted property so the subscription filter on your Receive shape will fail to match the new message.

In Orchestration Designer, add a predicate to the Filter Expression property so the full subscription will look like this:. Or if you prefer not to change the schema to add a custom field like that, you can also add a clause to the subscription filter on the Receive shape to test that the BTS.

Operation name is not the same as the one in your orchestration. Remember when we said BizTalk is all about messages? Well, scratch that. Nothing happens to a message in BizTalk without a subscription on a Send port or an Orchestration.

You should always transform messages you receive into your own canonical schema—regardless of how simple the schema is or who the source is.

For a small amount of processing, this buys you a lot of flexibility in case or more appropriately, when the sender changes the schema. If the sending party changes its schema, you only need to change your map, not your orchestration.

This can also reduce the number of maps you need. Suppose you need to map three types of inbound messages to three types of outbound messages perhaps not today, but maybe in the future. Applying this technique, you create a map to your canonical schema for each inbound schema and then a map from your canonical schema to each outbound schema. BizTalk Server is a large application and fortunately it often provides several ways to accomplish things.

But some are traps that most old-hands have learned to steer clear of for various reasons:. This means you should never click the first radio button in the BizTalk Web Services Publishing Wizard; always click the second button instead see Figure 4. In a word, interface. Or if you prefer something more verbose, loose coupling!

This buys you more freedom to change your orchestration without breaking the caller. Think of this as a specialization of the concept in Tip 3. One more aside; When you publish an orchestration as a Web service, you must change the Type Modifier property on your orchestration port type from Internal to Public before you build and deploy. Orchestrations you publish will typically have a logical Receive shape and a Send shape for communicating with the caller of the Web service.

Those shapes will have associated messages, and those messages will have a schema type a multi-part message type is not required, just recommended. So you need to tell the wizard to use your external-facing schema remember Tip 3.

The client will use that type to create and populate a request message to send to your Web service. BizTalk knows the Message Type because it parsed it via the XML Disassembler in the pipeline and promoted the property, and it uses that type to execute the map to transform the request into the type the orchestration is expecting.

Remember, messages, even incoming Web service request messages, get routed to an orchestration based on a subscription. When you bind a logical port to a physical port, which is a requirement with Request-Response ports published as Web services even when publishing via schemas , BizTalk creates an automatic subscription for you.

You can view the subscription from the BizTalk Administration Console by selecting "Subscriptions" as the value in the query window. Regular subscriptions that BizTalk creates for orchestrations will look like the following:. You can see that the name you type into the wizard as the MethodName must match the Operation name of the logical port within the orchestration, or the mapped Web request message will never get routed to the orchestration.

Also, you may as well let BizTalk create the receive locations in your application for you. Since you already deployed your application, you can choose it here from the dropdown list.