Re: [JAVA3D] Sporadic NPEs

[Scott Rutledge]

After this moved from 'sporadic' to 'every time', I did some more research and came up with this bug: http://developer.java.sun.com/developer/bugParade/bugs/4466779.html

It seems to be more repeatable when a complex sub-graph (27 BranchGroups below another) is build using moveTo, then added all at once to the scene.

At 09:29 AM 8/1/2002 -0600, you wrote:

I'm hoping for some help from the J3D team on this one..

Recently I've been getting some sporadic NPEs from J3D. They usually occur when I'm creating a sub-graph, before it's been made live. But I can't isolate a test case, so I was hoping you could take a look at the code in the stacktrace I get and see if there's anything in particular I should be looking for. Here's the NPE I get:

java.lang.NullPointerException
at javax.media.j3d.RenderBin.processMessages(RenderBin.java:1652)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.java:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:250)

This is using J3D 1.3.

Thanks,
Scott

=========================
Scott Rutledge, Lead Programmer
3D Design Division
BEQ Technologies Inc.
http://www.beq.ca

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