docs: @Override
  	public ConcurrentMap<String, Object> deserializeAttributes(final byte[] in) {
  		final InputStreamReader inputStream = new InputStreamReader( new ByteArrayInputStream( in ) );
  		if (LOG.isDebugEnabled()) {
  		    LOG.debug("deserialize the stream");
  		}
  		try {
  			return deserializer.deserializeInto(inputStream, new ConcurrentHashMap<String, Object>());
  		} catch( final RuntimeException e) {
  			LOG.warn("Caught Exception deserializing JSON "+e);
  			throw new TranscoderDeserializationException(e);
  		}
  	}