FULL PRODUCT VERSION :
java version "1.8.0_66"
Java(TM) SE Runtime Environment (build 1.8.0_66-b18)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b18, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
I create an editable TreeTableView and I add an event handler of type TreeTableView.EditEvent.ANY to parent of this tree table. After displaying this view, pressing F2 causes a ClassCastException to be thrown. The same is when pressing ENTER or SPACE.

The same problem is with TreeView (as mentioned in http://stackoverflow.com/questions/17889561/simple-javafx-eventhandler-throws-exception).

When event handler is not added, then works as expected.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Run attached code sample
2. When application window shows, press F2

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
TreeTable cell should switch to edit mode
ACTUAL -
Exception is thrown and cell doesn't switch to edit mode



ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "JavaFX Application Thread" java.lang.ClassCastException: javafx.scene.layout.BorderPane cannot be cast to javafx.scene.control.TreeTableView
at javafx.scene.control.TreeTableView$EditEvent.getSource(TreeTableView.java:2127)
at javafx.scene.control.TreeTableView$EditEvent.getSource(TreeTableView.java:2097)
at com.sun.javafx.event.EventHandlerManager.fixEventSource(EventHandlerManager.java:246)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:237)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Node.fireEvent(Node.java:8411)
at javafx.scene.control.TreeTableRow.startEdit(TreeTableRow.java:312)
at javafx.scene.control.TreeTableRow.updateEditing(TreeTableRow.java:460)
at javafx.scene.control.TreeTableRow.lambda$new$133(TreeTableRow.java:103)
at javafx.beans.WeakInvalidationListener.invalidated(WeakInvalidationListener.java:83)
at com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:349)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
at javafx.beans.property.ReadOnlyObjectWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyObjectWrapper.java:176)
at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:142)
at javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:112)
at javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:146)
at javafx.scene.control.TreeTableView.setEditingCell(TreeTableView.java:1122)
at javafx.scene.control.TreeTableView.edit(TreeTableView.java:1712)
at com.sun.javafx.scene.control.behavior.TreeTableViewBehavior.editCell(TreeTableViewBehavior.java:179)
at com.sun.javafx.scene.control.behavior.TableViewBehaviorBase.activate(TableViewBehaviorBase.java:934)
at com.sun.javafx.scene.control.behavior.TableViewBehaviorBase.callAction(TableViewBehaviorBase.java:179)
at com.sun.javafx.scene.control.behavior.TreeTableViewBehavior.callAction(TreeTableViewBehavior.java:92)
at com.sun.javafx.scene.control.behavior.BehaviorBase.callActionForEvent(BehaviorBase.java:218)
at com.sun.javafx.scene.control.behavior.TableViewBehaviorBase.callActionForEvent(TableViewBehaviorBase.java:208)
at com.sun.javafx.scene.control.behavior.BehaviorBase.lambda$new$74(BehaviorBase.java:135)
at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
at javafx.event.Event.fireEvent(Event.java:198)
at javafx.scene.Scene$KeyHandler.process(Scene.java:3964)
at javafx.scene.Scene$KeyHandler.access$1800(Scene.java:3910)
at javafx.scene.Scene.impl_processKeyEvent(Scene.java:2040)
at javafx.scene.Scene$ScenePeerListener.keyEvent(Scene.java:2501)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$KeyEventNotification.run(GlassViewEventHandler.java:197)
at com.sun.javafx.tk.quantum.GlassViewEventHandler$KeyEventNotification.run(GlassViewEventHandler.java:147)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleKeyEvent$353(GlassViewEventHandler.java:228)
at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleKeyEvent(GlassViewEventHandler.java:227)
at com.sun.glass.ui.View.handleKeyEvent(View.java:546)
at com.sun.glass.ui.View.notifyKey(View.java:966)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
at java.lang.Thread.run(Thread.java:745)

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeTableColumn;
import javafx.scene.control.TreeTableView;
import javafx.scene.control.TreeTableView.EditEvent;
import javafx.scene.control.cell.TextFieldTreeTableCell;
import javafx.scene.control.cell.TreeItemPropertyValueFactory;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;

public class TableTest extends Application {

    public static void main( String[] args ) {
        launch( args );
    }

    @Override
    public void start( Stage primaryStage ) throws Exception {
        BorderPane root = new BorderPane();
        Scene scene = new Scene( root, 400, 400 );
        primaryStage.setScene( scene );

        TreeItem< Person > rootItem = new TreeItem<>( new Person( "John" ) );
        TreeTableView< Person > treeTable = new TreeTableView<>( rootItem );

        TreeTableColumn< Person, String > treeNameColumn = new TreeTableColumn<>( "name" );
        treeNameColumn.setCellValueFactory( new TreeItemPropertyValueFactory<>( "name" ) );
        treeNameColumn.setCellFactory( TextFieldTreeTableCell.forTreeTableColumn() );
        treeNameColumn.setEditable( true );
        treeTable.getColumns().add( treeNameColumn );

        treeTable.setEditable( true );
        root.setCenter( treeTable );

        // !!! This is important to reproduce the bug
        root.addEventHandler( EditEvent.ANY, e -> {} );

        primaryStage.show();
    }

    public static class Person {

        private final SimpleStringProperty name;

        public Person( String name ) {
            this.name = new SimpleStringProperty( name );
        }

        public String getName() {
            return name.get();
        }

        public void setName( String fName ) {
            name.set( fName );
        }

        public StringProperty nameProperty() {
            return name;
        }
    }
}
---------- END SOURCE ----------