自建rocketmq(单机版)

环境：

　　我是在本机电脑安装的docker模拟linux环境用于测试rocketmq

首先网上下载rocketmq

http://archive.apache.org/dist/rocketmq/4.2.0/rocketmq-all-4.2.0-bin-release.zip

在创建docker先分配好端口(下面的20002到20004端口是提供给rocketmq的linstenPort，默认是10909和10911，因为找了很久的资料都不知道怎么修改rocketmq的listenPort指向宿主机器的端口，所以知道保证映射进去和反射出来的端口一直就好)

　　docker run -itd -p 20000:22 -p 20001:9876 -p 20002-20004:20002-20004 --name rocketmq centos:6.7　　　　(centos:6.7是我自己建的镜像image)

解压到linux目录中

unzip rocketmq-all-4.2.0-bin-release.zip

启动namesrv

　　nohup ./bin/mqnamesrv -n 127.0.0.1:9876 &

启动broker

　　vi ./conf/broker.conf

　　添加两行：

　　　　brokerIP1=192.168.1.101（指定外网ip或宿主机器ip）

　　　　listenPort=20004

　　nohup ./bin/mqbroker -n 127.0.0.1:9876 -c ./conf/broker.conf &

添加或修改topic

　　./bin/mqadmin updateTopic -t topic -n 127.0.0.1:9876 -b 127.0.0.1:20004

删除topic

　　 ./bin/mqadmin deleteTopic -n 127.0.0.1:9876 -t topic -c DefaultCluester

新增修改订阅组

　　./bin/mqadmin updateSubGroup -g GID_group -b 127.0.0.1:20004

删除订阅组

　　./bin/mqadmin deleteSubGroup -g GID_group -b 127.0.0.1:20004 -n 127.0.0.1:9876

查看集群消息

　　./bin/mqadmin clusterList -n 127.0.0.1:9876

到此一个group=GID_group topic=topic 的rocketmq消息队列已经完成了，在宿主机器只要连127.0.0.1:20001即可

java Producer demo

public static void main(String[] args) {
        DefaultMQProducer producer = new DefaultMQProducer();
        producer.setProducerGroup("GID_group");
        producer.setNamesrvAddr("127.0.0.1:20001");
        try {
            producer.start();
            SendResult send = producer.send(new Message("topic","test","give a test".getBytes()));
            if (send != null) {
                System.out.println("发送消息");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        producer.shutdown();
    }

java consumer demo

public static void main(String[] args) {

        System.out.println("消息端调用...");
        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("GID_group");
        consumer.setNamesrvAddr("127.0.0.1:20001");
        try {
            consumer.subscribe("topic", "*");
            consumer.registerMessageListener(new MessageListenerOrderly() {
                @Override
                public ConsumeOrderlyStatus consumeMessage(List<MessageExt> list, ConsumeOrderlyContext consumeOrderlyContext) {
                    list.forEach(msg -> {
System.out.println("tags:"+msg.getTags()+",body:"+msg.getBody()); 
                    });
                    return ConsumeOrderlyStatus.SUCCESS;
                }
            });
//            consumer.registerMessageListener(new MessageListenerConcurrently() {
//                @Override
//                public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> list, ConsumeConcurrentlyContext consumeConcurrentlyContext) {
//                    return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
//                }
//            });
            consumer.start();
        } catch (Exception e) {
            e.printStackTrace();
        }

        System.out.println("启动成功...");
    }

参考：

https://blog.csdn.net/ghostxbh/article/details/88732725

自建rocketmq(单机版)

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