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  newbie question: unsupported version  (Read 1270 times)
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Offline jtrier

Junior Newbie

Java games rock!

« Posted 2003-08-01 17:22:19 »

I'm getting the following error:

java.lang.UnsupportedClassVersionError: net/java/games/jogl/GLCapabilities (Unsupported major.minor version 48.0)

when I do:
          GLCapabilities glCaps = new GLCapabilities();

Is this an OpenGL or a jogl version problem.

Offline tortoise

Junior Devvie

<3 Shmups

« Reply #1 - Posted 2003-08-01 22:45:41 »

I'll give it a shot. Usually a UnsupportedClassVersionError happens when you try to run code that was compiled in a newer JDK on an older VM.  When 1.4 came out, Sun updated the major and minor versions of classes for the first time, so 1.4 compiled classes must run in a 1.4+ VM.

I believe JOGL requires 1.4.2

Even so, I did a quick search and found people having this problem even when they're using 1.4.x across the board, so I dunno. Just a guess.

Does the error have a stack trace along with it?
Offline jtrier

Junior Newbie

Java games rock!

« Reply #2 - Posted 2003-08-05 15:09:58 »

Thanks for the hint.  I was using an earlier JDK.  When I switched to 1.4.2, it ran.

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