$ mvn install -DskipShade -Dmaven.javadoc.skip=true -Djava.awt.headless=true -DskipTests -rf :hadoop-azure
...
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (create-parallel-tests-dirs) on project hadoop-azure: An Ant BuildException has occured: Unable to create javax script engine for javascript
[ERROR] around Ant part ...<script language="javascript">var baseDirs = [... @ 4:33 in /Users/ehiggs/src/hadoop/hadoop-tools/hadoop-azure/target/antrun/build-main.xml
[ERROR] -> [Help 1]