long delay;

            do {
                delay = 2L;

                synchronized (t) {
                    long expire = t.ltime + t.delay;
                    long ctime = System.currentTimeMillis();

                    if (expire > ctime)
                        delay = expire - ctime;
                }

if (delay > 2)
System.out.println("delay=" + delay);

            if ( retries >= maxRetries ) {
                break;
            }

            try {
                if ( retries != 1 ) {
                    // backoff, but don't delay the first attempt as there are various reasons that can be fixed
                    // immediately
                    Thread.sleep(500 + RAND.nextInt(1000));
                }
            }