Re: [JAVA3D] I can't run demo under Java 3D 1.3

[Greg Huang]

it had already been written as you listed ----- Original Message ----- From: Yann Lemoigne To: [EMAIL PROTECTED] Sent: Friday, October 25, 2002 5:43 PM Subject: Re: [JAVA3D] I can't run demo under Java 3D 1.3 Hi   In your source code, try to replace                 Canvas3D canvas = new Canvas3D(null); by                 Canvas3D canvas = new Canvas3D(SimpleUniverse.getPreferredConfiguration());   Yann. -----Message d'origine----- De : Greg Huang [mailto:[EMAIL PROTECTED]] Envoyé : vendredi 25 octobre 2002 11:45 À : [EMAIL PROTECTED] Objet : [JAVA3D] I can't run demo under Java 3D 1.3 hi I installed sdk1.4.1 + java3d openGL 1.3 in my computer, but I can't run any demo program now. When I executed the program, I get the followed message what is the cause of it ? thanks in advance!   p.s I can run it under java3d 1.2    C:\jdk1.4.1\demo\java3d\HelloUniverse>java HelloUniverse ************************************************************************ *** ERROR: Canvas3D constructed with a null GraphicsConfiguration *** This will cause a NullPointerException in a subsequent release ************************************************************************ java.lang.NullPointerException: Canvas3D: null GraphicsConfiguration         at javax.media.j3d.Canvas3D.<init>(Canvas3D.java:1093)         at javax.media.j3d.Canvas3D.<init>(Canvas3D.java:1058)         at HelloUniverse.init(HelloUniverse.java:97)         at com.sun.j3d.utils.applet.MainFrame.run(MainFrame.java:262)         at java.lang.Thread.run(Thread.java:536)