[GitHub] [rocketmq-spring] MrZbb opened a new issue, #556: 使用RocketMQMessageListener订阅多个topic的问题

Mon, 24 Apr 2023 19:28:36 -0700 


MrZbb opened a new issue, #556:
URL: https://github.com/apache/rocketmq-spring/issues/556

   当在一个应用实例使用RocketMQMessageListener订阅多个topic,使用一个消费组的时候例如以下这样
   1.@RocketMQMessageListener(topic = "test1",consumerGroup = "consumerGroup")
   2.@RocketMQMessageListener(topic = "test2",consumerGroup = "consumerGroup")
   会存在严重的消息丢失情况，去服务器查看topic跟的队列信息会出现以下情况，部分队列没有被client绑定造成消息丢失。
   
![image](https://user-images.githubusercontent.com/31841743/234159423-ca3e3ad0-7de5-4970-9241-9f5fb9bb6ec8.png)
   但是看了下官方文档的订阅关系原则如下，一个消费者组跟不同的topic的关系是独立的所有，这边的设计是否产生了矛盾
   
![image](https://user-images.githubusercontent.com/31841743/234159683-23274d85-1a51-497e-b243-aeca645d1452.png)
   


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