public long update(Value key, byte[] value) throws ReadOnlyException {
public long update(Value key, ByteArray value) throws ReadOnlyException {
	public long update(Value key, byte[] value) throws ReadOnlyException {		try {			long p = findValue(key);			if (p == KEY_NOT_FOUND)				return -1;			return update(p, key, value);		} catch (BTreeException bte) {			LOG.debug(bte);		} catch (IOException ioe) {			LOG.debug(ioe);		}		return -1;	}