[GitHub] [rocketmq-site] WesleyOne opened a new issue, #394: Incorrect usage of updatetopic in quickstart

[GitBox]

WesleyOne opened a new issue, #394:
URL: https://github.com/apache/rocketmq-site/issues/394

   RocketMQ版本5.0.0
    
   中/英文的快速开始章节的如下位置updatetopic命令使用有误。
   https://rocketmq.apache.org/zh/docs/quickStart/02quickstart
   5.SDK测试消息收发
   ```
   $ sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic
   ```
   执行后，返回的命令使用介绍，没有创建topic。如图：
   <img width="919" alt="截屏2022-12-08 22 33 19" 
src="https://user-images.githubusercontent.com/24919538/206477677-fd907505-4cb1-4b59-a8fe-9467d95cffe8.png";>
   
   
看源码`org.apache.rocketmq.tools.command.topic.UpdateTopicSubCommand#execute`，确认`updatetopic`必须指定`-b`Broker地址或`-c`集群名称，在本章节可以改成指定默认集群名称解决问题，如下命令：
   ```
   sh bin/mqadmin updatetopic -n localhost:9876 -t TestTopic -c DefaultCluster
   ```
   测试可行，如图：
   <img width="1071" alt="截屏2022-12-08 22 37 18" 
src="https://user-images.githubusercontent.com/24919538/206478058-46b252d0-61be-446c-a928-3f55e394cfa6.png";>
   
   
   


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