java.lang.RuntimeException: WebServiceProject.war module listed in application.xml does not exist within
means that somehow your ear is not properly packaged/built (the application.xml does not match with the ear's contents). I don't know about the Eclipse wizards / tools for doing that though. Try checking what you're actually trying to deploy.
Error: Could not generate. (use --show-traces to see full traces)
Error: org/jboss/wsf/spi/deployment/UnifiedVirtualFile
is most likely a classpath issue. Please make sure the jbossws-spi.jar is in the classpath (again, depends on the IDE settings if you're using Eclipse or such)
http://community.jboss.org/message/548723#548723
forget about this... I was discussing with Anil regarding the way PicketLink updates the ws stack for its own testing (ant btw Anil confirmed to me on IRC he understood the needs for the installer there). You're using a vanilla AS, so that's definitely a different topic in any case.