win10中 docker 安装rocketmq和解决坑connect to ＜172.17.0.3:10909＞ failed

C:\Users\2019051634>docker exec -it rmqbroker /bin/bash
[root@9a093d1630c0 rocketmq-4.5.1]# cd /etc/rocketmq/
[root@9a093d1630c0 rocketmq]# vi broker.conf

public class OnewayProducer {
    public static void main(String[] args) throws Exception{
        //生产者实例化
        DefaultMQProducer producer = new DefaultMQProducer("oneway");
        //指定rocket服务器地址:
        producer.setNamesrvAddr("127.0.0.1:9876");
//        producer.setNamesrvAddr("192.168.0.128:9876");
        //启动实例
        producer.start();
        for (int i = 0; i < 10; i++) {
            //创建一个消息实例，指定topic、tag和消息体
            Message msg = new Message("TopicTest" /* Topic */,
                    "TagA" /* Tag */,
                    ("Hello RocketMQ " +
                            i).getBytes(RemotingHelper.DEFAULT_CHARSET) /* Message body */
            );
            //发送消息
            producer.sendOneway(msg);
            System.out.printf("%s%n",  new String(msg.getBody()));
        }
        //生产者实例不再使用时关闭.
        producer.shutdown();
    }
}