if (++obsPolls >= obsPollMax) {
long timeTried = obsPollMax * obsPollInterval;
TimeUnit tu = TimeUnit.MILLISECONDS;
throw new ObservedTimeoutException("Observe Timeout - Polled"
+ " Unsuccessfully for at least " + tu.toSeconds(timeTried)
+ " seconds.");
}
Map<MemcachedNode, ObserveResponse> response = observe(key, cas);