Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\javafx\binding\BindingHelperObserver.java

/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package com.sun.javafx.binding;

import java.lang.ref.WeakReference;

import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.binding.Binding;

public class BindingHelperObserver implements InvalidationListener {

private final WeakReference<Binding<?>> ref;

public BindingHelperObserver(Binding<?> binding) {
        if (binding == null) {
            throw new NullPointerException("Binding has to be specified.");
        }
        ref = new WeakReference<Binding<?>>(binding);
    }

@Override
    public void invalidated(Observable observable) {
        final Binding<?> binding = ref.get();
        if (binding == null) {
            observable.removeListener(this);
        } else {
            binding.invalidate();
        }
    }

}

Ms-Dos/Windows Unix Write backup

jsp File Browser version 1.2 by www.vonloesch.de