RocketMq的异步发送 重新发送问题解决_rocketmqtemplate.asyncsend发送失败

package com.mz.controller;
 
import cn.hutool.crypto.SecureUtil;
import com.mz.domain.TMq;
import com.mz.service.TMqService;
import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.client.producer.SendCallback;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.client.producer.SendStatus;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @author 马震
 * @version 1.0
 * @date 2023/11/28 10:19
 */
@RestController
@Slf4j
@RequestMapping("/mq")
public class MqController {
 
    @Autowired
    RocketMQTemplate rocketMQTemplate;
    @Autowired
    RedisTemplate redisTemplate;
    @Autowired
    TMqService tMqService;
 
    @RequestMapping("send")
    public void mqList(){
        String  body ="hello world";
        extracted(body);//打包下面方法
    }
 
    private void extracted(String body) {
        Message<String> message = MessageBuilder.withPayload(body).build();
        rocketMQTemplate.asyncSend("mz_11_28", message, new SendCallback() {
            @Override
            public void onSuccess(SendResult sendResult) {
                if(sendResult.getSendStatus().equals(SendStatus.SEND_OK)){
                    System.out.println("发送很成功"+message);
                }else{ //说明没发送成功
                    log.info(body); //打印日志
                    TMq tMq = new TMq();
                    tMq.setBody(body);
                    tMqService.save(tMq); //持久化到表中
                    System.out.println("发送失败,没发送的消息是："+body);
                }
            }
 
            @Override
            public void onException(Throwable throwable) {
 
                System.out.println("连接异常");
 
                String md5 = SecureUtil.md5(body);
                Long increment = redisTemplate.opsForValue().increment(md5);//利用redis 里面的自增方法
                System.out.println(increment);
 
                //重新发送机制
                if(increment<=3){
                    try {
                        Thread.sleep(1000*60); //每分钟重新发送一次
                        extracted(body);
                        System.err.println("重新发送第"+increment+"次");
                    } catch (InterruptedException e) {
                        throw new RuntimeException(e);
                    }
                }else{ //重新发送超过3次了直接持久化到表中
 
                    log.info(body);
                    TMq tMq = new TMq();
                    tMq.setBody(body);
                    tMqService.save(tMq);
                    
                    redisTemplate.delete(md5); //删除redis中那个键
                    System.out.println("没发送的消息是："+body);
 
                }
            }
        });
    }
}