While dragging the divider it doesn't move or jumps to ramdom positions.

package jiraissue;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.SplitPane;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

public class SplitPaneTest extends Application {

    public static void main(String[] args) {
        launch(args);
    }
    
    @Override public void start(Stage stage) {
        
        final Label labelLeft = new Label("LabelLeft");
        
        final Label labelRight = new Label("LabelRight");
        
        final BorderPane leftPane = new BorderPane();
        leftPane.setMinSize(0, 0);
        leftPane.setCenter(labelLeft);
         
        final BorderPane rightPane = new BorderPane();
        rightPane.setMinSize(0, 0);
        rightPane.setCenter(labelRight);
       
        final SplitPane splitPane = new SplitPane();
        splitPane.getItems().addAll(leftPane, rightPane);
        splitPane.setDividerPosition(0, 0.25);

        final BorderPane rootPane = new BorderPane();
        rootPane.setCenter(splitPane);
        
        final Scene scene = new Scene(rootPane, 800, 800, false);
       
        stage.setOnCloseRequest(new EventHandler<WindowEvent>() {
            @Override public void handle(WindowEvent event) {
                System.exit(0);
            }
        });
        stage.setScene(scene);
        stage.setTitle("SplitPaneTest");
        
        stage.show();
    }
}