These classes are not found in latest jdk 9 and should be removed from the classlist:

Preload Warning: Cannot find java/awt/GraphicsEnvironment$1
Preload Warning: Cannot find java/lang/Compiler$1
Preload Warning: Cannot find java/lang/UNIXProcess$2
Preload Warning: Cannot find java/lang/UNIXProcess$3
Preload Warning: Cannot find java/lang/UNIXProcess$4
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessReaperThreadFactory
Preload Warning: Cannot find java/lang/UNIXProcess$ProcessReaperThreadFactory$1
Preload Warning: Cannot find java/net/InetAddress$Cache
Preload Warning: Cannot find java/net/InetAddress$Cache$Type
Preload Warning: Cannot find java/net/InetAddress$CacheEntry
Preload Warning: Cannot find javax/swing/JComponent$2
Preload Warning: Cannot find javax/swing/plaf/metal/MetalLookAndFeel$MetalLazyValue
Preload Warning: Cannot find javax/swing/plaf/metal/MetalLookAndFeel$MetalLazyValue$1
Preload Warning: Cannot find javax/swing/text/AbstractDocument$InsertStringResult
Preload Warning: Cannot find sun/awt/EventQueueDelegate
Preload Warning: Cannot find sun/awt/WindowClosingListener
Preload Warning: Cannot find sun/awt/WindowClosingSupport
Preload Warning: Cannot find sun/awt/X11/XErrorHandler$XErrorHandlerWithFlag
Preload Warning: Cannot find sun/awt/X11/XErrorHandler$XShmAttachHandler
Preload Warning: Cannot find sun/awt/X11/XToolkit$2$1
Preload Warning: Cannot find sun/java2d/Disposer$2
Preload Warning: Cannot find sun/java2d/pipe/RenderingEngine$1
Preload Warning: Cannot find sun/swing/SwingLazyValue
Preload Warning: Cannot find sun/swing/SwingLazyValue$1
Preload Warning: Cannot find sun/swing/SwingUtilities2$2