jodd-core/src/main/java/jodd/cache/AbstractCacheMap.java
@Override
	public void clear() {
		final long stamp = lock.writeLock();
		try {
			cacheMap.clear();
		}
		finally {
			lock.unlockWrite(stamp);
		}
	}
@Override
	public void clear() {
		final long stamp = lock.writeLock();
		try {
			cacheMap.clear();
		}
		finally {
			lock.unlockWrite(stamp);
		}
	}
{@inheritDoc}