Kevin, The add modules and limit modules type needs to be a string rather than a set at this point in the Java Packager.
JIRA: https://bugs.openjdk.java.net/browse/JDK-8166996 <https://bugs.openjdk.java.net/browse/JDK-8166996> Webrev: http://cr.openjdk.java.net/~cbensen/JDK-8166996/webrev.00/ <http://cr.openjdk.java.net/~cbensen/JDK-8166996/webrev.00/> Chris
