code: public static URL jarFor(String className) {
  		try {
  			className = className.replace('.', '/') + ".class";
  			// hack to discover jstl libraries
  			URL url = Loader.getResource(null, className, false);
  			String s = url.toString();
  			if (s.startsWith("jar:file:")) {
  				return new URL(s.substring(4, s.indexOf("!/")));
  			}
  		} catch (Exception e) {
  			LOG.warn("IGNORE ", e);
  		}
  		return null;
  	}
docs: CHECKSTYLE:OFF