", actual: " + v + ", pos: " + i + ", index: " + Long .toHexString(dc.index()) + ", cycle: " + tailer.cycle(); if (lastTailerCycle != -1) { failureMessage += ". Tailer cycle at last read: " + lastTailerCycle + " (current: " + (tailer.cycle()) + "), queue cycle at last read: " + lastQueueCycle + " (current: " + queue.cycle() + ")"; lastTailerCycle = tailer.cycle(); lastQueueCycle = queue.cycle();