try {
Thread.sleep(_interval * 60 * 1000);
Date now = new Date();
for(Entry<Clearable, Schedule> entry : _clearables.entrySet()){
Clearable clearable = entry.getKey();
Schedule schedule = entry.getValue();
if (schedule.matches(lastRun, now)) {
if (_log.isTraceEnabled())
_log.trace(_loc.get("scheduler-clear", clearable, fom.format(now)));
evict(clearable);