SpringBoot-ActiveMq

ActiveMq下载:

http://activemq.apache.org

下载解压安装,打开安装目录下的bin/win64/activemq:

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

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;@SpringBootApplicationpublic class DemoApplication implements CommandLineRunner{@Autowired//注入springboot为我们配置好的JmsTemplate的beanJmsTemplate jmsTemplate;public static void main(String[] args) {SpringApplication.run(DemoApplication.class, args);}@Overridepublic 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;@Componentpublic class Receiver {    @JmsListener(destination = "my-destination")    public void receiveMsg(String msg){        System.out.println("接收到的消息:"+msg);    }}

运行:

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