Enable JAX-WS Annotation Processing
If the Enable annotation validation processing setting on the JAX-WS tab in
the Apache CXF 2.x preferences is selected, annotation processing will be enabled on projects on as part of the CXF Facet install.
Enabling Existing Projects
To turn annotation processing on or off on an existing project right-click on the project and choose Properties from the context menu.
On the Java Compiler > Annotation Processing properties page select or deselect the Enable Annotation Processing check box and then click OK.
CXF Project Facet