Apologies if this is a stupid question, but how do you use a loader in an
applet?  I'm trying to convert my application using the NCSA loaders to an
applet, and I get

>>
java.lang.NoClassDefFoundError: ncsa/j3d/loaders/ModelLoader
        at soccer.client.LoadedModel.<init>(LoadedModel.java:55)
        at soccer.client.FieldJ3D.constructContentBranch(FieldJ3D.java:205)
        at soccer.client.FieldJ3D.<init>(FieldJ3D.java:154)
        at soccer.client.SoccerMaster.init(SoccerMaster.java:621)
        at sun.applet.AppletPanel.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
<<

Do I need to make a .jar file including the relevant NCSA files?  Will that
even work?  Is there a simpler way?

I haven't been able to copy any NCSA files - or indeed anything else - into
D:\Program Files\JavaSoft\JRE\1.3.1\lib\ext - it says 'Access denied,
source file may be in use,' whatever the source file is.  So that
installation of the JRE doesn't have the NCSA files - if it did, would that
be likely to make it work?  Does anyone have any clue why it's not letting
me change the ext directory?

Thanks a lot

 - Fergus

http://fergusmurray.members.beeb.net/

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