The smbarbour command line used to launch the application includes the location jfxrt.jar:
/usr/lib/jvm/java-7-oracle/jre/lib/jfxrt.jar
EulerGeek answer JavaFX 2.0 ( ), X, :
java -cp ".:/Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home/jre/lib/jfxrt.jar" <app class>
jdk1.7.0_09.jdk java, , Java 8 ( jfxrt.jar ).
, Java 8, , (, JavaFX ant tasks, javafxpackager, javafx-maven-plugin javafx- gradle -plugin).