System.out.println("Next wakeup after " + (interval/3600000.0) + " hours");
if (logger.isDebugEnabled()) logger.debug("Next wakeup after " + (interval/3600000.0) + " hours");
    private void setNewRootTimer() {        if ((testDuration <= 0L || currentTimeMillis() < testEnd)            && (nRoots < 0 || rootCount < nRoots)) {            long interval = randomLong(minInterTaskInterval, maxInterTaskInterval);            newRootTimer = wakeAfter(interval);            System.out.println("Next wakeup after " + (interval/3600000.0) + " hours");        } else {            System.out.println("No wakeup: " + testDuration + ", " + nRoots);        }    }