How to Monitor XML Communication in JAX-WS Web Services without Proxies?

Monitoring XML Communication in JAX-WS Web Services

Challenge: Capture the raw XML requests and responses exchanged by JAX-WS web services without relying on proxies.

Solution:

Fortunately, JAX-WS provides a straightforward mechanism to enable logging of the aforementioned XML communication. This can be accomplished by setting system properties in your code.

<code class="java">System.setProperty("com.sun.xml.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.dump", "true");
System.setProperty("com.sun.xml.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dump", "true");
System.setProperty("com.sun.xml.internal.ws.transport.http.HttpAdapter.dumpTreshold", "999999");</code>

By setting these properties, you enable the logging of all XML communication to the console. Note that setting all four properties is recommended for compatibility with different libraries.

This allows developers to easily inspect the XML messages being exchanged by their web services, providing valuable insights for troubleshooting and performance analysis. It's a lightweight solution that avoids the overhead associated with using more complex frameworks like Axis or CXF.

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