经过前面两篇文章能够简单的了解 RocketMQ 和 安装 RocketMQ ,今天就将 SpringBoot 和 RocketMQ 整合起来使用。java
在 IDEA 建立一个 SpringBoot 项目,项目结构以下:git
引入 RocketMQ 的一些相关依赖,最后的 pom 文件以下:github
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.zhisheng</groupId> <artifactId>rocketmq</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>rocketmq</name> <description>Demo project for Spring Boot RocketMQ</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.9.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.apache.rocketmq</groupId> <artifactId>rocketmq-common</artifactId> <version>4.2.0</version> </dependency> <dependency> <groupId>org.apache.rocketmq</groupId> <artifactId>rocketmq-client</artifactId> <version>4.2.0</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
application.properties 中以下:web
# 消费者的组名 apache.rocketmq.consumer.PushConsumer=PushConsumer # 生产者的组名 apache.rocketmq.producer.producerGroup=Producer # NameServer地址 apache.rocketmq.namesrvAddr=localhost:9876
package com.zhisheng.rocketmq.client; import org.apache.rocketmq.client.producer.DefaultMQProducer; import org.apache.rocketmq.common.message.Message; import org.apache.rocketmq.remoting.common.RemotingHelper; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; import org.springframework.util.StopWatch; import javax.annotation.PostConstruct; /** * Created by zhisheng_tian on 2018/2/6 */ @Component public class RocketMQClient { /** * 生产者的组名 */ @Value("${apache.rocketmq.producer.producerGroup}") private String producerGroup; /** * NameServer 地址 */ @Value("${apache.rocketmq.namesrvAddr}") private String namesrvAddr; @PostConstruct public void defaultMQProducer() { //生产者的组名 DefaultMQProducer producer = new DefaultMQProducer(producerGroup); //指定NameServer地址,多个地址以 ; 隔开 producer.setNamesrvAddr(namesrvAddr); try { /** * Producer对象在使用以前必需要调用start初始化,初始化一次便可 * 注意:切记不能够在每次发送消息时,都调用start方法 */ producer.start(); //建立一个消息实例,包含 topic、tag 和 消息体 //以下:topic 为 "TopicTest",tag 为 "push" Message message = new Message("TopicTest", "push", "发送消息----zhisheng-----".getBytes(RemotingHelper.DEFAULT_CHARSET)); StopWatch stop = new StopWatch(); stop.start(); for (int i = 0; i < 10000; i++) { SendResult result = producer.send(message); System.out.println("发送响应:MsgId:" + result.getMsgId() + ",发送状态:" + result.getSendStatus()); } stop.stop(); System.out.println("----------------发送一万条消息耗时:" + stop.getTotalTimeMillis()); } catch (Exception e) { e.printStackTrace(); } finally { producer.shutdown(); } } }
package com.zhisheng.rocketmq.server; import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer; import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus; import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently; import org.apache.rocketmq.common.consumer.ConsumeFromWhere; import org.apache.rocketmq.common.message.MessageExt; import org.apache.rocketmq.remoting.common.RemotingHelper; import org.springframework.beans.factory.annotation.Value; import org.springframework.stereotype.Component; import javax.annotation.PostConstruct; /** * Created by zhisheng_tian on 2018/2/6 */ @Component public class RocketMQServer { /** * 消费者的组名 */ @Value("${apache.rocketmq.consumer.PushConsumer}") private String consumerGroup; /** * NameServer 地址 */ @Value("${apache.rocketmq.namesrvAddr}") private String namesrvAddr; @PostConstruct public void defaultMQPushConsumer() { //消费者的组名 DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(consumerGroup); //指定NameServer地址,多个地址以 ; 隔开 consumer.setNamesrvAddr(namesrvAddr); try { //订阅PushTopic下Tag为push的消息 consumer.subscribe("TopicTest", "push"); //设置Consumer第一次启动是从队列头部开始消费仍是队列尾部开始消费 //若是非第一次启动,那么按照上次消费的位置继续消费 consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET); consumer.registerMessageListener((MessageListenerConcurrently) (list, context) -> { try { for (MessageExt messageExt : list) { System.out.println("messageExt: " + messageExt);//输出消息内容 String messageBody = new String(messageExt.getBody(), RemotingHelper.DEFAULT_CHARSET); System.out.println("消费响应:msgId : " + messageExt.getMsgId() + ", msgBody : " + messageBody);//输出消息内容 } } catch (Exception e) { e.printStackTrace(); return ConsumeConcurrentlyStatus.RECONSUME_LATER; //稍后再试 } return ConsumeConcurrentlyStatus.CONSUME_SUCCESS; //消费成功 }); consumer.start(); } catch (Exception e) { e.printStackTrace(); } } }
package com.zhisheng.rocketmq; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class RocketmqApplication { public static void main(String[] args) { SpringApplication.run(RocketmqApplication.class, args); } }
代码已经都写好了,接下来咱们须要将与 RocketMQ 有关的启动起来。spring
在前面文章中已经写过怎么启动,http://www.54tianzhisheng.cn/2018/02/06/RocketMQ-install/#%E5%90%AF%E5%8A%A8-NameServerdocker
进入到目录 :apache
cd distribution/target/apache-rocketmq
启动:app
nohup sh bin/mqnamesrv & tail -f ~/logs/rocketmqlogs/namesrv.log //经过日志查看是否启动成功
nohup sh bin/mqbroker -n localhost:9876 & tail -f ~/logs/rocketmqlogs/broker.log //经过日志查看是否启动成功
而后运行启动类,运行效果以下:maven
RocketMQ有一个对其扩展的开源项目 ocketmq-console ,现在也提交给了 Apache ,地址在:https://github.com/apache/rocketmq-externals/tree/master/rocketmq-console ,官方也给出了其支持的功能的中文文档:https://github.com/apache/rocketmq-externals/blob/master/rocketmq-console/doc/100/UserGuide_CN.md , 那么该如何安装?ide
一、获取 Docker 镜像
docker pull styletang/rocketmq-console-ng
二、运行,注意将你本身的 NameServer 地址替换下面的 127.0.0.1
docker run -e "JAVA_OPTS=-Drocketmq.namesrv.addr=127.0.0.1:9876 -Dcom.rocketmq.sendMessageWithVIPChannel=false" -p 8080:8080 -t styletang/rocketmq-console-ng
咱们 git clone 一份代码到本地:
git clone https://github.com/apache/rocketmq-externals.git cd rocketmq-externals/rocketmq-console/
须要 jdk 1.7 以上。 执行如下命令:
mvn spring-boot:run
或者
mvn clean package -Dmaven.test.skip=true java -jar target/rocketmq-console-ng-1.0.0.jar
注意:
一、若是你下载依赖缓慢,你能够从新设置 maven 的 mirror 为阿里云的镜像
<mirrors> <mirror> <id>alimaven</id> <name>aliyun maven</name> <url>http://maven.aliyun.com/nexus/content/groups/public/</url> <mirrorOf>central</mirrorOf> </mirror> </mirrors>
二、若是你使用的 RocketMQ 版本小于 3.5.8,若是您使用 rocketmq < 3.5.8,请在启动 rocketmq-console-ng 时添加 -Dcom.rocketmq.sendMessageWithVIPChannel=false
(或者您能够在 ops 页面中更改它)
三、更改 resource / application.properties 中的 rocketmq.config.namesrvAddr(或者能够在ops页面中更改它)
一、Docker 启动项目报错
org.apache.rocketmq.remoting.exception.RemotingConnectException:connect to<null>failed
将 Docker 启动命令改为以下之后:
docker run -e "JAVA_OPTS=-Drocketmq.config.namesrvAddr=127.0.0.1:9876 -Drocketmq.config.isVIPChannel=false" -p 8080:8080 -t styletang/rocketmq-console-ng
报错信息改变了,新的报错信息以下:
ERROR op=global_exception_handler_print_error org.apache.rocketmq.console.exception.ServiceException: This date have't data!
看到网上有人也遇到这个问题,他们都经过本身的方式解决了,可是方法我都试了,不适合我。不得不说,阿里,你能再用心点吗?既然把 RocketMQ 捐给 Apache 了,这些文档啥的都必须更新啊,不要还滞后着呢,否则少不了被吐槽!
搞了好久这种方法没成功,暂时放弃!mmp
二、非 Docker 安装,只好把源码编译打包了。
1) 注意须要修改以下图中的配置:
rocketmq.config.namesrvAddr=localhost:9876 //注意替换你本身的ip #若是你 rocketmq 版本小于 3.5.8 才需设置 `rocketmq.config.isVIPChannel` 为 false,默认是 true, 这个能够在源码中能够看到的 rocketmq.config.isVIPChannel=
2) 执行如下命令:
mvn clean package -Dmaven.test.skip=true
编译成功:
能够看到已经打好了 jar 包:
运行:
java -jar rocketmq-console-ng-1.0.0.jar
成功,不报错了,开心,访问 http://localhost:8080/
整个监控大概就是这些了。
而后我运行以前的 SpringBoot 整合项目,查看监控信息以下:
整篇文章讲述了 SpringBoot 与 RocketMQ 整合和 RocketMQ 监控平台的搭建。
一、http://www.ymq.io/2018/02/02/spring-boot-rocketmq-example/#%E6%96%B0%E5%8A%A0%E9%A1%B9%E7%9B%AE
二、GitHub 官方 README
转载请务必注明原创地址为:http://www.54tianzhisheng.cn/2018/02/07/SpringBoot-RocketMQ/