Unable to initialize the view

[deepsidhu1313]

Hi,
I was trying to implement LiveDirsFX in my code. But it is giving me error on LinuxMint (18.1).

Exception in Application start method
   java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
    Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$155(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.ExceptionInInitializerError
at org.fxmisc.livedirs.DirectoryModel.<clinit>(DirectoryModel.java:101)
at org.fxmisc.livedirs.LiveDirsModel.<init>(LiveDirsModel.java:27)
at org.fxmisc.livedirs.LiveDirs.<init>(LiveDirs.java:90)
at org.fxmisc.livedirs.LiveDirs.getInstance(LiveDirs.java:65)
at org.fxmisc.livedirs.LiveDirs.getInstance(LiveDirs.java:52)
at in.co.s13.marking.assistant.MarkingAssistant.start(MarkingAssistant.java:61)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
at com.sun.glass.ui.gtk.GtkApplication.lambda$null$49(GtkApplication.java:139)
... 1 more
    Caused by: java.lang.NullPointerException
at org.fxmisc.livedirs.DefaultGraphicFactory.<clinit>(DirectoryModel.java:143)
... 15 more
    Exception running application in.co.s13.marking.assistant.MarkingAssistant
    Java Result: 1

Any ideas ??