private static boolean isPoolConfiguration(String key) {
        if (POOL_AUTHENTICATION.equals(key)
         || POOL_DEBUG.equals(key)
         || POOL_INITSIZE.equals(key)
         || POOL_MAXSIZE.equals(key)
         || POOL_PREFSIZE.equals(key)
         || POOL_PROTOCOL.equals(key)
         || POOL_TIMEOUT.equals(key)) {
            return true;
        }
        return false;
    }