Exception in java3d

Hello All,

I can consistently get this exception in an application by changing the
order in which I add data to the display.  Is this familiar to anyone?  
How do I go about tracking this one down, given that there's none of my
own code in the stack trace?

(A search of the email archives didn't turn up the same stack trace.)

java.lang.ArrayIndexOutOfBoundsException: 0 >= 0
        at java.util.Vector.elementAt(Vector.java:427)
        at javax.media.j3d.GroupRetained.getChild(GroupRetained.java:410)
        at javax.media.j3d.Group.getChild(Group.java:219)
        at visad.java3d.RendererJ3D.getBranch(RendererJ3D.java:264)
        at visad.bom.ImageRendererJ3D.doTransform(ImageRendererJ3D.java:363)
        at visad.java3d.RendererJ3D.doAction(RendererJ3D.java:181)
        at visad.DisplayImpl.doAction(DisplayImpl.java:1559)
        at visad.ActionImpl.run(ActionImpl.java:353)
        at visad.util.ThreadPool$ThreadMinnow.run(ThreadPool.java:95)


Russell Steicke

-- Fortune says:
Two percent of zero is almost nothing.

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