RocketMQ源码本地搭建调试方法

git clone https://github.com/apache/rocketmq.git

// org.apache.rocketmq.common.namesrv.NamesrvConfig
// ROCKETMQ_HOME_PROPERTY = "rocketmq.home.dir";
// ROCKETMQ_HOME_ENV = "ROCKETMQ_HOME";
private String rocketmqHome = System.getProperty(MixAll.ROCKETMQ_HOME_PROPERTY, System.getenv(MixAll.ROCKETMQ_HOME_ENV));

public static void main(String[] args) {
    System.setProperty(MixAll.ROCKETMQ_HOME_PROPERTY, "/Users/apple/doc/IDEAProjects/rocketmq");
    main0(args);
}

public static void main(String[] args) {
   System.setProperty(MixAll.ROCKETMQ_HOME_PROPERTY, "/Users/apple/doc/IDEAProjects/rocketmq");
        System.setProperty(MixAll.NAMESRV_ADDR_PROPERTY, "127.0.0.1:9876");
    start(createBrokerController(args));
}

import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;

public class ProducerTest {
    public static void main(String[] args) throws Exception {
        String namesrvAddr = "127.0.0.1:9876";
        String group = "test_group";
        String topic = "test_hello_rocketmq";
        // 构建Producer实例
        DefaultMQProducer producer = new DefaultMQProducer();
        producer.setNamesrvAddr(namesrvAddr);
        producer.setProducerGroup(group);
        // 启动producer
        producer.start();
        // 发送消息
        SendResult result = producer.send(new Message(topic, "hello rocketmq".getBytes()));
        System.out.println(result.getSendStatus());
        // 关闭producer
        producer.shutdown();
    }
}

import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerOrderly;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;

import java.util.List;
import java.util.concurrent.TimeUnit;

public class ConsumerTest {

    public static void main(String[] args) throws Exception {
        String namesrvAddr = "127.0.0.1:9876";
        String group = "test_consumer_group";
        String topic = "test_hello_rocketmq";
        // 初始化consumer
        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer();
        consumer.setNamesrvAddr(namesrvAddr);
        consumer.setConsumerGroup(group);
        // 订阅topic
        consumer.subscribe(topic, (String) null);
        // 设置消费的位置，由于producer已经发送了消息，所以我们设置从第一个开始消费
        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
        // 添加消息监听器
        consumer.registerMessageListener(new MessageListenerOrderly() {
            @Override
            public ConsumeOrderlyStatus consumeMessage(List<MessageExt> msgs, ConsumeOrderlyContext context) {
                msgs.forEach(msg -> {
                    System.out.println(new String(msg.getBody()));
                });
                return ConsumeOrderlyStatus.SUCCESS;
            }
        });
        // 启动consumer
        consumer.start();
        // 由于是异步消费，所以不能立即关闭，防止消息还未消费到
        TimeUnit.SECONDS.sleep(2);
        consumer.shutdown();
    }
}