Hello Guys,

I've just loaded Java 3D and J21.4.1_01, and have encountered a problem.

When running a 3D program, the DOS output (between lines) reads as follows:

______________________________________________________________________
*** ERROR: Canvas3D constructed with a null GraphicsConfiguration
*** This will cause a NullPointerException in a subsequent release
______________________________________________________________________-

How should I go about fixing this?

A possible related message (a Windows message) is displayed as follows:

_______________________________________
No compatible device found. Please switch to another display mode and try
again!
_________________________________________


Thanks for the help!

Robert Lemke


-----Original Message-----
From: Justin Couch [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 08, 2003 11:06 AM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] Xj3D M6 Release


Michael P. McCutcheon wrote:

> The DOCTYPE was taken directly out of the documentation for the startDTD
> method of the
> org.web3d.x3d.jaxp.X3DSAVAdapter class.  So I can't figure out why it
> keeps bombing out.

The spec is slightly different to the documentation in that it has moved
on a fraction since then. If you have a look at the class X3DConstants,
that will give you the list of acceptable public and system identifiers.
The first character, being an ISO specification, should be a '+' not a
'-'. For reference here is what is permitted:

"+//Web3D//DTD X3D 3.0//EN";
"+//Web3D//DTD X3D 3.0 Interchange//EN";
"+//Web3D//DTD X3D 3.0 Interactive//EN";
"+//Web3D//DTD X3D 3.0 Immersive//EN";
"+//Web3D//DTD X3D 3.0 Full//EN";

--
Justin Couch                         http://www.vlc.com.au/~justin/
Java Architect & Bit Twiddler              http://www.yumetech.com/
Author, Java 3D FAQ Maintainer                  http://www.j3d.org/
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