Sounds pretty strange.  Maybe try:

-running "which java" and make sure it's the same as the jre where you
put the jar files
-adding all 3 of the jarfiles into your CLASSPATH - without moving
them - and see if it works then

Also what java type and version are you using?

On Wed, Aug 6, 2008 at 3:10 PM, Bourothu Rahul <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I have built all the three bz2 files that come with the jsr80 1.0.2 release
> using ANT 1.7.1. Later I installed the 3 jar files into jre/lib/ext
> directory (just placed them in that directory, did not change classpath),
> placed the .properties file from the build into jre/lib directory, and then
> placed the .so file into /usr/lib directory.
>
> Later i tried to run the ShowTopology.java example from the CVS tree
> examples.
>
> It gives me:
>
> Exception in thread "main" java.lang.NoClassDefFoundError:
> javax/usb/UsbException
> Caused by: java.lang.ClassNotFOundException: javax.usb.UsbException
>     at java.net.URLClassLoaders$1.run(URLClassLoader.java:217)
>     at java.security.AccessController.doPriviledged(Native Method)
>     at java.net.URLClassLoader.loadClass(ClassLoader.java:205)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
>     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
>     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
>
>
> What could be the possble reason? Can anyone help me with this?
>
> Thank you
> Regards
> Rahul Bourothu
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