Problem with createInfoInputBox in GBUI + StandardGame

I have been trying to follow the GBUI examples but I can not get past this exception:

INFO: Node created.
Apr 18, 2010 1:54:04 PM com.jme.scene.Node attachChild
INFO: Child "BUI Root Node" attached to this node "RootNode"
Exception in thread "main" java.lang.ExceptionInInitializerError
        at com.jmex.bui.image.ImageUtil.getImage(
        at com.jmex.bui.icon.IconUtil.getIcon(
        at com.jmex.bui.BDialogMessage.<clinit>(
        at com.jmex.bui.headlessWindows.InputBoxUtil.createInputBox(
        at com.jmex.bui.headlessWindows.InputBoxUtil.createInfoInputBox(
        at gltest.HelloTerrain.createWindows(
        at gltest.HelloTerrain.main(
Caused by: java.lang.NullPointerException
        at com.jmex.bui.BImage.<clinit>(
        ... 7 more
AL lib: ALc.c:1352: exit(): closing 1 Device
AL lib: ALc.c:1329: alcCloseDevice(): destroying 1 Context
AL lib: alSource.c:2361: alcDestroyContext(): deleting 64 Source(s)
BUILD SUCCESSFUL (total time: 6 seconds)

My code (the relevant part of it) is as follows:

package gltest;

 * @author Patrick Chapman

import java.util.Stack;

import javax.swing.ImageIcon;

import com.jme.image.Image;
import com.jme.image.Texture;
import com.jme.input.InputHandler;
import com.jme.input.MouseInput;
import com.jme.scene.Skybox;
import com.jme.scene.VBOInfo;
import com.jme.scene.shape.Sphere;
import com.jme.scene.shape.Torus;
import com.jme.scene.state.TextureState;
import com.jme.system.DisplaySystem;
import com.jme.util.TextureManager;
import com.jme.util.Timer;

import com.jmex.bui.BComponent;
import com.jmex.bui.BDialogBox;
import com.jmex.bui.BInputBox;
import com.jmex.bui.BuiSystem;
import com.jmex.bui.BWindow;
import com.jmex.bui.UserResponse;
import com.jmex.bui.headlessWindows.DialogBoxUtil;
import com.jmex.bui.headlessWindows.InputBoxUtil;
import com.jmex.bui.event.DialogListener;
import com.jmex.bui.PolledRootNode;
import com.jmex.terrain.TerrainPage;
import com.jmex.terrain.util.ImageBasedHeightMap;
import com.jmex.terrain.util.ProceduralTextureGenerator;

import com.jme.bounding.*;
import com.jme.math.*;
import com.jme.scene.shape.Box;
import com.jmex.editors.swing.settings.*;

public class HelloTerrain {
    static private DebugGameState state;
     * Entry point for the test,
     * @param args
    public static void main(String[] args) throws Exception {
        // Instantiate StandardGame
   StandardGame game = new StandardGame("A Simple Test");
   // Show settings screen
   // Start StandardGame, it will block until it has initialized successfully, then return

   // Create a DebugGameState - has all the built-in features that SimpleGame provides
   // NOTE: for a distributable game implementation you'll want to use something like
   // BasicGameState instead and provide control features yourself.
   state = new DebugGameState();

   // Activate the game state

   // Add it to the manager


//        createObjects();

//        createSkybox();

//        createTerrain();

    private static void createWindows() {
        // Create GUI window
        InputHandler input = new InputHandler();
        BuiSystem.init(new PolledRootNode(Timer.getTimer(), input),
            new Stack<BWindow>(),
        DialogListener responseListener = new DialogListener() {
            public void responseAvailable(UserResponse response, BComponent source) {
                if (source instanceof BInputBox) {
                    System.out.println(((BInputBox) source).getInputText());
        BDialogBox box = InputBoxUtil.createInfoInputBox("inputTest1", "Message");


Any help would be appreciated.