I can't run the sample app from aalmiray's blog "The Griffon Trove: dialogs and JavaFX".
[griffonc] Compiling 1 source file to C:\Users\foo.griffon\1.0.1\projects\sample\classes\main Compilation error: BUG! exception in phase 'semantic analysis' in source unit 'C:\Users\foo\sample\griffon-app\views\sample\DialogView.groovy' Invalid index
Commenting the import javafx.geometry.Insets
helps by compiling.
Groovy Version: 1.8.5 JVM: 1.6.0_24 Vendor: Sun Microsystems Inc.
OS: Windows 7 x64
Griffon Version: 1.0.1
JavaFX Version: 2.1 Runtime
Link is here.