Exception in thread "J3D-Renderer-1" java.lang.IllegalStateException: GL_VERSION at javax.media.j3d.Canvas3D.createNewContext(Native Method) at javax.media.j3d.Canvas3D.createNewContext(Canvas3D.java:2429) at javax.media.j3d.Renderer.doWork(Renderer.java:747) at javax.media.j3d.J3dThread.run(J3dThread.java:250)