res.sampleStart(); // Count the retries as well in the time
// Check cache for an entry with an Expires header in the future
final CacheManager cacheManager = getCacheManager();
if (cacheManager != null && HTTPConstants.GET.equalsIgnoreCase(method)) {
if (cacheManager.inCache(url)) {
res.sampleEnd();
res.setResponseNoContent();
res.setSuccessful(true);
return res;
}