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, 2003-10-07 at 03:25, Joachim Bratteli wrote: > 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:2312) > at > javax.media.j3d.VertexArrayRenderMethod.renderGeo(VertexArrayRenderMethod.java:80) > at > javax.media.j3d.VertexArrayRenderMethod.render(VertexArrayRenderMethod.java:53) > at javax.media.j3d.RenderMolecule.render(RenderMolecule.java:1941) > at javax.media.j3d.TextureBin.renderList(TextureBin.java:1312) > at javax.media.j3d.TextureBin.renderList(TextureBin.java:1285) > at javax.media.j3d.TextureBin.render(TextureBin.java:1275) > at javax.media.j3d.TextureBin.render(TextureBin.java:1229) > at javax.media.j3d.AttributeBin.render(AttributeBin.java:389) > at javax.media.j3d.EnvironmentSet.render(EnvironmentSet.java:426) > at javax.media.j3d.LightBin.render(LightBin.java:361) > at javax.media.j3d.RenderBin.renderOrderedBin(RenderBin.java:5110) > at javax.media.j3d.RenderBin.renderOrderedBins(RenderBin.java:5069) > at javax.media.j3d.RenderBin.renderOrdered(RenderBin.java:5062) > at javax.media.j3d.Renderer.doWork(Renderer.java:1267) > at javax.media.j3d.J3dThread.run(J3dThread.java:250) > > Any suggestions to what this problem could be? > > -- > Joachim Bratteli - [EMAIL PROTECTED] > System Programmer - IFE / OECD Halden Reactor Project > Halden VR Centre - http://www.ife.no/vr/ > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA3D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". -- Mike Pilone <mpilone at botch dot com> =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".