$ cat FxMainLauncher.java import net.java.javafx.FXShell; public class FxMainLauncher { public static void main(String[] args) throws Exception { FXShell.main(args); } } $ CLASSPATH=/home/yangzhang/.java/deployment/cache/javaws/http/Dblogs.sun.com/P80/DMchrisoliver/DMresource/RMjavafxstart.jar:/home/yangzhang/.java/deployment/cache/javaws/http/Dblogs.sun.com/P80/DMchrisoliver/DMresource/RTjavafxstart.jar:. javac FxMainLauncher.java $ CLASSPATH=/home/yangzhang/.java/deployment/cache/javaws/http/Dblogs.sun.com/P80/DMchrisoliver/DMresource/RMjavafxstart.jar:/home/yangzhang/.java/deployment/cache/javaws/http/Dblogs.sun.com/P80/DMchrisoliver/DMresource/RTjavafxstart.jar:. java FxMainLauncher Basics.fx Exception in thread "main" java.lang.NoClassDefFoundError: net/java/javafx/typeImpl/F3Shell at net.java.javafx.FXShell.main(FXShell.java:6) at FxMainLauncher.main(FxMainLauncher.java:4)