This is part of my pom.xml:
pom.xml
org.apache.cxf
You likely have a 1.5 (or older) version of wsdl4j coming from someplace else. CXF requires the 1.6.x versions.
EDIT:
Also be on the lookout for the Axis version of this jar. You can exclude it like so:
axis-wsdl4j axis