@Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Rpc response sent! requestId="
                                     + id
                                     + ". The address is "
                                     + RemotingUtil.parseRemoteAddress(ctx.getChannelContext()
                                         .channel()));
                    }
                    if (!future.isSuccess()) {
                        logger.error(
                            "Rpc response send failed! id="
                                    + id
                                    + ". The address is "
                                    + RemotingUtil.parseRemoteAddress(ctx.getChannelContext()
                                        .channel()), future.cause());
                    }
                }
Send response using remoting context if necessary.<br>
If request type is oneway, no need to send any response nor exception.

@param ctx remoting context
@param type type code
@param response remoting command
src/main/java/com/alipay/remoting/rpc/protocol/RpcRequestProcessor.java