Command in the readme mvn clean install wildfy:deploy will not work because there's a typo wildfy.
Moreover, there is a note about Maven configuration in the README, which is not included in other QS's readme:
NOTE: The following build command assumes you have configured your Maven user settings. If you have not, you must include Maven setting arguments on the command line. See [Build and Deploy the Quickstarts](../README.md#build-and-deploy-the-quickstarts) for complete instructions and additional options.
This affects all jaxws-* QS: