From the course: DevOps Foundations: Distributed Tracing

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Tracing message queue calls

Tracing message queue calls

From the course: DevOps Foundations: Distributed Tracing

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Tracing message queue calls

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- [Instructor] Let's take a look at how we can trace JMS calls in our app. I'll start with registering a new tracer in our trace configuration class. On line 65, I have a new beam, and we're creating an instance of the JMS tracing class which is supplied by the brave_jms instrumentation. We're calling the new trace of my-broker, and that's how it will appear in Zipkin. Next I will configure the application to leverage the new JMS tracing instance we just registered. Let's take a look at our backend class. I have a putmq endpoint service that will configure to send JMS messages. So my example is fairly simple. We're going to use the MQInitializer class, and we have a special method called handle message. And so here we'll pass our JMS tracing object that was instantiated with a beam, and the username that we're receiving as a query parameter. Now you're probably wondering, well, this looks like ordinary code, but now let's take a look at the MQInitializer handle message method, and how…

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