Here is the exception I got:
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: org/lwjgl/opengl/glu/Sphere
at org.xith3d.render.lwjgl.BoundsAtomPeer.<clinit>(BoundsAtomPeer.java:81)
at org.xith3d.render.lwjgl.StateUnitPeerRegistryImpl.<init>(StateUnitPeerRegistryImpl.java:54)
at org.xith3d.render.lwjgl.CanvasPeerImplBase.createRenderPeer(CanvasPeerImplBase.java:85)
at org.xith3d.render.lwjgl.CanvasPeerImplBase.createRenderPeer(CanvasPeerImplBase.java:66)
at org.xith3d.render.CanvasPeer.<init>(CanvasPeer.java:117)
at org.xith3d.render.lwjgl.CanvasPeerImplBase.<init>(CanvasPeerImplBase.java:90)
at org.xith3d.render.lwjgl.CanvasPeerImplNative.<init>(CanvasPeerImplNative.java:144)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.xith3d.render.Canvas3DFactory.create(Canvas3DFactory.java:124)
at org.xith3d.render.Canvas3DFactory.create(Canvas3DFactory.java:158)
at org.xith3d.render.Canvas3DFactory.create(Canvas3DFactory.java:225)
at org.xith3d.test.input.FirstPersonInputHandlerTest.<init>(FirstPersonInputHandlerTest.java:386)
at org.xith3d.test.input.FirstPersonInputHandlerTest.main(FirstPersonInputHandlerTest.java:401)
... 9 more
Caused by: java.lang.ClassNotFoundException: org.lwjgl.opengl.glu.Sphere
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
... 25 more