docs: private Object exec() throws Exception {
  		boolean exception = false;
  		try {
  			return exec(connection);
  		} catch (Throwable t) {
  			log.dump(String.format("Error processing HTTP-RMI |%s|.", connection.getURL()), t);
  			exception = true;
  			throw t;
  		} finally {
  			if (exception || CONNECTION_CLOSE.equals(connection.getHeaderField("Connection"))) {
  				connection.disconnect();
  			}
  		}
  	}