Here is a quick example on DZone of how to build a web service using Mule, CXF and Spring: http://java.dzone.com/articles/web-services-with-mule-cxf-and

The latest version of the JCR transport for Mule ESB offers a set of features that can enable the creation of content oriented integration solutions. This article by David Dossot presents the implementation of a simple scenario where all these features are leveraged.
Read the full article on TSS: http://www.theserverside.com/tt/articles/article.tss?l=COISWithMuleandJCR

Big thanks to David Dossot for this contribution!