private void createScene() { // Fixes issue with blank BurpKitty tabs if (Thread.currentThread().getContextClassLoader() == null) { System.err.println("Warning: context class loader for JFX thread returned null."); Thread.currentThread().setContextClassLoader(ClassLoader.getSystemClassLoader()); } createMasterPane(); createDetailPane(); masterDetailPane = new CollapsibleSplitPane(masterPane, detailPane); masterDetailPane.setOrientation(Orientation.VERTICAL); masterDetailPane.expandedProperty().bind(isDetailNodeVisible); scene = new Scene(masterDetailPane); setScene(scene); }