Bootstrap

rabbitmq消息可靠之手动确认

rabbitmq 消息值之手动确认

Consume

新建springboot项目,导入rabbitmq依赖

  <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
   </dependency>

修改配置文件

server:
  port: 8102  #服务端口
​
spring:
  rabbitmq:
    host:  rabbitmqhost    #rabbitmq地址
    port: 15672   #rabbitmq amqp端口
    username: root  #rabbitmq用户名
    password: root  #rabbitmq密码
    virtual-host: serve #rabbitmq虚拟主机
    listener:
      type: simple
      simple:
        acknowledge-mode: MANUAL # MANUAL消息确认方式 手动确认 ,none 不确认 ,auto自动确认
        retry:
          enabled: true  #开启重试
          max-attempts: 3 #最大重试次数
          initial-interval: 5000ms #重试间隔时间

启动类增加@EnableRabbit

package com.example.demo;
​
import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
​
​
@SpringBootApplication
@EnableRabbit
public class DemoApplication {
​
    public static void main(String[] args) {
​
        SpringApplication.run(DemoApplication.class, args);
    }
​
}

新增监听类MsgListener

package com.example.demo;
​
/**
 * @Author: lyh
 * @Date: 2021/12/14 20:47
 */
​
/**
 * @Author: lyh
 * @Date: 2021/12/13 17:21
 */
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;
​
import java.io.IOException;
​
/**
 * @Author: lyh
 * @Date: 2021/12/13 14:49
 */
@Component
public class MsgListen {
    @RabbitListener(
            bindings = {@QueueBinding(value = @Queue(value = "blade-user-queue",durable = "ture"),
                    exchange = @Exchange(value = "serve-exchange"),key="blade-user")})
    public void consumer(Channel channel, Message message)throws IOException{
        System.out.println("收到消息"+message.getMessageProperties());
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),true);
    }
}
​

消费者端进行绑定消息队列,非则生产者发送消息会产生路由消息失败问题

Produce

生产者配置

由于生产者可能会遇到消息发送失败的情况,所以需要用数据库进行持久化,来保证消息的可靠性

#数据源配置
spring:
  rabbitmq:
    host: 36.103.242.17
    port: 25672
    username: bladex
    password: bladex
    virtual-host: serve
    retry-interval: 10s
    exchange: serve-exchange
    max-retry-times: 3

悦读

道可道,非常道;名可名,非常名。 无名,天地之始,有名,万物之母。 故常无欲,以观其妙,常有欲,以观其徼。 此两者,同出而异名,同谓之玄,玄之又玄,众妙之门。

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