SpringBoot-ActiveMq

布满荆棘的人生 2022-06-09 12:09 165阅读 0赞

ActiveMq下载:

http://activemq.apache.org

下载解压安装,打开安装目录下的bin/win64/activemq:

![Center][]

浏览器输入 http://localhost:8161/,能进入主页面表明安装成功:

![Center 1][]

maven依赖:

<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>spring-jms</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.apache.activemq</groupId>
    			<artifactId>activemq-client</artifactId>
    		</dependency>

消息定义:

package com.example.demo;
    
    import org.springframework.jms.core.MessageCreator;
    
    import javax.jms.JMSException;
    import javax.jms.Message;
    import javax.jms.Session;
    
    public class Msg implements MessageCreator{
        @Override
        public Message createMessage(Session session) throws JMSException {
            return session.createTextMessage("这是测试消息");
        }
    }

消息发送及地址定义:

package com.example.demo;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.boot.CommandLineRunner;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.jms.core.JmsTemplate;
    
    
    @SpringBootApplication
    public class DemoApplication implements CommandLineRunner{
    	@Autowired
    			//注入springboot为我们配置好的JmsTemplate的bean
    	JmsTemplate jmsTemplate;
    
    	public static void main(String[] args) {
    
    		SpringApplication.run(DemoApplication.class, args);
    	}
    	@Override
    	public void run(String... strings) throws Exception {
    		//向my-destination目的地发送MSG消息
    		jmsTemplate.send("my-destination",new Msg());
    	}
    
    
    }

消息监听:

package com.example.demo;
    
    import org.springframework.jms.annotation.JmsListener;
    import org.springframework.stereotype.Component;
    
    @Component
    public class Receiver {
        @JmsListener(destination = "my-destination")
        public void receiveMsg(String msg){
            System.out.println("接收到的消息:"+msg);
        }
    }

运行:

![Center 2][]  
  
遇到的问题:

1.关闭activeMq后，再次启动Tomcat,报错:

Caused by: java.net.ConnectException: Connection refused: connect

2.使用springboot的内嵌 activemq,启动Tomcat报错:

<dependency>
    			<groupId>org.apache.activemq</groupId>
    			<artifactId>activemq-broker</artifactId>
    		</dependency>

Caused by: java.net.ConnectException: Connection refused: connect

[Center]: /images/20220609/ab82f0d9b7884baba9f8f8af37a73ba4.png
[Center 1]: /images/20220609/3eb4a5f500e54c4bb41caf327a0df7b1.png
[Center 2]: /images/20220609/a95cd6e238854c63bbbd28c8a6540949.png

SpringBoot-ActiveMq

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