john1337 commented on issue #5646:
URL: https://github.com/apache/rocketmq/issues/5646#issuecomment-1339198064

   > @john1337
   > 
   > > bin/mqadmin clusterList -n xxxx
   > 
   > 
![image](https://user-images.githubusercontent.com/15797831/205851654-015f6544-d410-4079-81c8-8efb3b6ac65d.png)
   > 
   > 使用这个命令bin/mqadmin clusterList -n xxx 看一下Broker版本, 
release-5.0.0使用的生产者代码和消费者代码是没有问题的。延迟消息主要是看Broker版本,Broker 5.0.0才支持 
如果你是4.x版本是不支持的
   
   
感谢,之前不行的原因在于下载过rocketmq-4.9.3,并配置了环境变量,所以虽然在rocketmq-5.0的版本执行脚本但实际运行的是4.9.3里面的程序
   


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