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Distributed Tracing with OpenZipkin Brave and JAX-WS support
Distributed tracing in the Apache CXF is build primarily around JAX-RS 2.x implementation. However, JAX-WS is also supported but it requires to write some boiler-plate code and use OpenZipkin Brave API directly (the JAX-WS integration is going to be enhanced in the future). Essentially, from the server-side prospective the in/out interceptors, BraveStartInterceptor and BraveStopInterceptor respectively, should be configured as part of interceptor chains, either manually or using BraveFeature. For example:
| Code Block | ||||
|---|---|---|---|---|
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// Configure the spans transport sender
final Sender sender = ...;
/**
* For example:
*
* final Sender sender = LibthriftSender.create("localhost");;
*/
final Brave brave = new Brave.Builder("tracer")
.reporter(AsyncReporter.builder(sender).build())
.traceSampler(Sampler.ALWAYS_SAMPLE) /* or any other Sampler */
.build();
final JaxWsServerFactoryBean sf = new JaxWsServerFactoryBean();
...
sf.getFeatures().add(new BraveFeature(brave));
...
sf.create();
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Similarly to the server-side, client-side needs own set of out/in interceptors, BraveClientStartInterceptor and BraveClientStopInterceptor (or BraveClientFeature). Please notice the difference from server-side: BraveClientStartInterceptor becomes out-interceptor while BraveClientStopInterceptor becomes in-interceptor. For example:
| Code Block | ||||
|---|---|---|---|---|
| ||||
// Configure the spans transport sender
final Sender sender = ...;
/**
* For example:
*
* final Sender sender = LibthriftSender.create("localhost");;
*/
final Brave brave = new Brave.Builder("tracer")
.reporter(AsyncReporter.builder(sender).build())
.traceSampler(Sampler.ALWAYS_SAMPLE) /* or any other Sampler */
.build();
final JaxWsProxyFactoryBean sf = new JaxWsProxyFactoryBean();
...
sf.getFeatures().add(new BraveClientFeature(brave));
...
sf.create();
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// TODO
Migrating from brave-cxf3
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