@Override public void start(Stage stage) { final Parameters params = getParameters(); final List<String> parameters = params.getRaw(); if (parameters.size() != 1) { throw new RuntimeException( "Bad command line arguments, expected exactly one argument (XML file to load)"); } final String fileToLoad = parameters.get(0); final ProfileContainer profiles; try { FileInputStream in = new FileInputStream(fileToLoad); profiles = new XMLSerializer().load(in); } catch (IOException e) { throw new RuntimeException(e); } final TreeTableView<ITreeNode> treeTable = createTreeTableView(profiles); treeTable.setPrefSize(2000, 2000); stage.setTitle("Profiling results: " + fileToLoad); stage.setResizable(true); final Scene scene = new Scene(new Group(), 1000, 1000); final Group sceneRoot = (Group) scene.getRoot(); sceneRoot.setAutoSizeChildren(true); sceneRoot.getChildren().add(treeTable); stage.setScene(scene); stage.show(); }