visad and Java 3D Beta 1

We put up VisAd with JDK 1.2 Beta 4 and Java 3D Alpha 3 without any   
problems. But we tried to upgrade to Java 3D Beta 1 and get the following   
run time error from some of the examples now.

  
C:\visad\examples>java DisplayTest 35
35: test direct manipulation linking Java2D and Java3D

delay


delay

java.lang.IllegalStateException: wakeupOn must be called from initialize   
or processStimulus
        at javax.media.j3d.Behavior.wakeupOn(Behavior.java:98)
        at   
visad.java3d.RemoveBehaviorJ3D.setWakeup(RemoveBehaviorJ3D.java:90)

delay

        at   
visad.java3d.RemoveBehaviorJ3D.addRemove(RemoveBehaviorJ3D.java:59)
        at   
visad.java3d.DisplayRendererJ3D.switchScene(DisplayRendererJ3D.java:270)
        at visad.java3d.RendererJ3D.doAction(Compiled Code)
        at visad.DisplayImpl.doAction(Compiled Code)
        at visad.ActionImpl.run(Compiled Code)
        at java.lang.Thread.run(Thread.java:475)

delay