code: public static void resetChannelAttributes(ChannelHandlerContext ctx) {
          ctx.channel().attr(Constants.RESPONSE_FUTURE_OF_ORIGINAL_CHANNEL).set(null);
          ctx.channel().attr(Constants.ORIGINAL_REQUEST).set(null);
          ctx.channel().attr(Constants.REDIRECT_COUNT).set(null);
          ctx.channel().attr(Constants.RESOLVED_REQUESTED_URI_ATTR).set(null);
          ctx.channel().attr(Constants.ORIGINAL_CHANNEL_START_TIME).set(null);
          ctx.channel().attr(Constants.ORIGINAL_CHANNEL_TIMEOUT).set(null);
      }
docs: Reset channel attributes.
  
  @param ctx Channel handler context