Building current trunk fails with
Downloading: http://repo1.maven.org/maven2/org/jboss/ws/jbossws-spi/1.0.6.GA/jbossws-spi-1.0.6.GA.pom
Downloading: http://repo1.maven.org/maven2/org/jboss/jboss-vfs/2.0.0.CR1/jboss-vfs-2.0.0.CR1.pom
Downloading: http://repo1.maven.org/maven2/org/jboss/jboss-mdr/2.0.0.GA/jboss-mdr-2.0.0.GA.pom
Downloading: http://repo1.maven.org/maven2/sun-jaxb/jaxb-api/2.1.4/jaxb-api-2.1.4.pom
Downloading: http://repo1.maven.org/maven2/org/jboss/ws/jbossws-spi/1.0.6.GA/jbossws-spi-1.0.6.GA.jar
Downloading: http://repo1.maven.org/maven2/sun-jaxb/jaxb-api/2.1.4/jaxb-api-2.1.4.jar
Downloading: http://repo1.maven.org/maven2/org/jboss/jboss-vfs/2.0.0.CR1/jboss-vfs-2.0.0.CR1.jar
Downloading: http://repo1.maven.org/maven2/org/jboss/jboss-mdr/2.0.0.GA/jboss-mdr-2.0.0.GA.jar
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Failed to resolve artifact.

Missing:
----------
1) org.jboss.ws:jbossws-spi:jar:1.0.6.GA

Try downloading the file manually from the project website.

Then, install it using the command:
mvn install:install-file -DgroupId=org.jboss.ws -DartifactId=jbossws-spi -Dversion=1.0.6.GA -Dpackaging=jar -Dfile=/path/to/file

Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=org.jboss.ws -DartifactId=jbossws-spi -Dversion=1.0.6.GA -Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]

Path to dependency:
1) org.jboss.metadata:jboss-metadata:jar:1.0.2-SNAPSHOT
2) org.jboss.ws:jbossws-spi:jar:1.0.6.GA
...
etc