InputStream in = cl.getResourceAsStream(res);
InputStream in = GDSException.class.getResourceAsStream(res);
    private static void init() {        try {            ClassLoader cl = GDSException.class.getClassLoader();            String res = MESSAGES.replace('.','/') + ".properties";			InputStream in = cl.getResourceAsStream(res);                        if (in == null) {                cl = Thread.currentThread().getContextClassLoader();                in = cl.getResourceAsStream(res);            }                        if (in != null)                messages.load(in);                        } catch (Exception ex) {            if (log!=null) log.info("Exception in init of GDSExceptionHelper", ex);        } finally {            initialized = true;        }    }