@Override
        public Object deserialize(final byte[] bytes) throws ZkMarshallingError {
            try {
                return new String(bytes, "utf-8");
            }
            catch (final UnsupportedEncodingException e) {
                throw new ZkMarshallingError(e);
            }
        }
Check if the given path exists
metamorphosis-commons/src/main/java/com/taobao/metamorphosis/utils/ZkUtils.java