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Chapter 23. Tracing Routes

Debugging a route usually involves solving one of two problems:
  • a message was improperly transformed
  • a message failed to reach its destination endpoint
Tracing one or more test messages through the route is the easiest way to discover the source of these problems.
The route tracing feature of the tooling enables you to monitor the path a message takes through a route and see how the message is transformed as it passes from processor to processor.
Diagram View displays a graphical representation of the route, which enables you to see the path a message takes through it. For each processor in a route, it also displays the average processing time, in milliseconds, for all messages processed since route start-up and the number of messages processed since route start-up.
Messages View displays the messages processed by a JMS destination or route endpoint selected in the JMX Navigator tree. Selecting an individual message in Messages View displays the full details and content of the message in Properties view.
Tracing messages through a route involves the following steps:
  1. Creating test messages for route tracing
  2. Activating route tracing
  3. Tracing messages through a route
  4. Deactivating route tracing

23.1. Creating test messages for route tracing
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Overview
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Route tracing works with any kind of message structure. The Fuse Message wizard creates an empty message, leaving the structuring of the message entirely up to you.

Procedure
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To create a test message:
  1. In Project Explorer, right-click the project to open the context menu.
  2. Select New Fuse Message to open the New File wizard.
  3. Enter or select the folder in which you want to store the message.
  4. In the File name field, enter a name for the message.
  5. Click Finish.
    The new message opens in the XML editor.
  6. Fill in the contents (body and header text) of the message.
  7. On the menu bar, click File Save to save the test message.

Related topics
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Section 23.3, “Tracing messages through a route”
New Fuse Message
chapter "To Trace a Message Through a Route" in "Tooling Tutorials"
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