// No point in checking boot class path, can't reload those.
// else we could have used fullClassPath above.
if ( classSource == null )
throw new ClassPathException("Nothing known about class: "
+name );
// JarClassSource is not working... just need to implement it's
// getCode() method or, if we decide to, allow the BshClassManager
// to handle it... since it is a URLClassLoader and can handle JARs
if ( classSource instanceof JarClassSource )
throw new ClassPathException("Cannot reload class: "+name+
" from source: "+ classSource );
map.put( name, classSource );
}