This may be a case of bug 4846822, however that bug was supposed to be
fixed in 1.3.1 final. It does still show up in the 1.3.1 beta on Linux.
Just a guess from looking at the stack trace. As with all bugs on this
list, you need to put together a simple test case and post it.
-mike
On Tue, 2003-
Java3D is giving NullPointerException while rendering on two Canvas3D:
java.lang.NullPointerException
at
javax.media.j3d.GeometryArrayRetained.updateAlphaInInterLeavedData(GeometryArrayRetained.java:2133)
at
javax.media.j3d.GeometryArrayRetained.execute(GeometryArrayRetained.java:2
