When entering text into Ensemble apps search box NPE is thrown. This version of Ensemble is the one from ga-samples bundle.

SearchBox.changed (textBox.getRawText().length() == 0)=false
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
        at java.io.Reader.<init>(Unknown Source)
        at java.io.InputStreamReader.<init>(Unknown Source)
        at ensemble.search.ClasspathDirectory.<init>(ClasspathDirectory.java:28)
        at ensemble.search.IndexSearcher.<init>(IndexSearcher.java:57)
        at ensemble.controls.SearchBox$3.changed(SearchBox.java:68)
        at ensemble.controls.SearchBox$3.changed(SearchBox.java:61)
        at com.sun.javafx.binding.ExpressionHelper$MultipleChange.fireValueChangedEvent(Unknown Source)
        at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(Unknown Source)
        at javafx.scene.control.TextInput$TextProperty.fireValueChangedEvent(Unknown Source)
        at javafx.scene.control.TextInput$TextProperty.access$400(Unknown Source)
        at javafx.scene.control.TextInput.replaceText(Unknown Source)
        at com.sun.javafx.scene.control.skin.TextInputSkin.handleKeyTypedEvent(Unknown Source)
        at com.sun.javafx.scene.control.skin.TextInputSkin$8.handle(Unknown Source)
        at com.sun.javafx.scene.control.skin.TextInputSkin$8.handle(Unknown Source)
        at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(Unknown Source)
        at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Unknown Source)
        at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(Unknown Source)
        at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(Unknown Source)
        at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(Unknown Source)
        at com.sun.javafx.event.EventUtil.fireEventImpl(Unknown Source)
        at com.sun.javafx.event.EventUtil.fireEvent(Unknown Source)
        at javafx.event.Event.fireEvent(Unknown Source)
        at javafx.scene.Scene$KeyHandler.process(Unknown Source)
        at javafx.scene.Scene$KeyHandler.access$1500(Unknown Source)
        at javafx.scene.Scene.impl_processKeyEvent(Unknown Source)
        at javafx.scene.Scene$ScenePeerListener.keyEvent(Unknown Source)
        at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleKeyEvent(Unknown Source)
        at com.sun.glass.ui.View.handleKeyEvent(Unknown Source)
        at com.sun.glass.ui.View.notifyKey(Unknown Source)
        at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at com.sun.glass.ui.win.WinApplication.access$100(Unknown Source)
        at com.sun.glass.ui.win.WinApplication$1$1.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)