code: private void consumeInputFully(HttpServletRequest req) {
  		try {
  			ServletInputStream is = req.getInputStream();
  			while (!is.isFinished() && is.read() != -1) {
  			}
  		} catch (IOException e) {
  			log.info("Could not consume full client request", e);
  		}
  	}
docs: connection - see SOLR-8453 and SOLR-8683