java jam

[David J Patrick]

Today Jpluck (the java-based plucker converter) refused to run.
It worked yesterday !
When I tried to run the app from a console I got;

djp-FHL3x92oaS0 at public.gmane.org:/mnt/hda8/djp$ ~/bin/jpluck
java.lang.ClassNotFoundException: 
com.jgoodies.plaf.motif.ExtMotifLookAndFeel
        at java.net.URLClassLoader$1.run(URLClassLoader.java:198)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:217)
        at 
javax.swing.SwingUtilities.loadSystemClass(SwingUtilities.java:1659)
        at javax.swing.UIManager.setLookAndFeel(UIManager.java:423)
        at net.sf.jpluck.apps.jpluckx.JPluckX.main(JPluckX.java:197)

I don't really know a lot about the wonderous workings of the jre, any 
ideas ?
thanks,
djp


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