I got this error while trying to start and make javafx 2.0 in eclipse helios
Exception in thread "main" java.lang.IllegalArgumentException: expected
Assume you have added jfxrt.jar into reference libraries...
Now
Right Click your Project -> Properities -> Run/Debug Settings -> Click the Css2Bin ->
Main Class:
Click the Search button
to change com.sun.javafx.css.parser.Css2Bin into your project main class
and
Mark the checkbox