Apache Geronimo 2.0 is distributed with two JAX-WS engines: Apache Axis2 and Apache CXF. By default, the Geronimo-Jetty assembly is configured to use CXF as its JAX-WS engine and Geronimo-Tomcat assembly is configured to use Axis2 as its JAX-WS engine.
There are two way to configure which JAX-WS engine should be used.