[GitHub] [rocketmq] MatrixHB commented on issue #4109: Write permission is not validated on broker side for ordinary topic

[GitBox <gi...@apache.org>]

MatrixHB commented on issue #4109:
URL: https://github.com/apache/rocketmq/issues/4109#issuecomment-1090066340

   > Use topicRoute to check the real topic route in nameserver after updateBrokerConfig.
   > 
   > If the client sends with the specific queues, such as send(msg, messagequeue)， the broker tps will not reduce to 0. Otherwise, the client will refresh the new topic route and not send message to the read-only broker.
   
   It is very strange that the result of `topicRoute` is updated and correct, but the producer can still send to the forbidden broker, it seems like the client didn't refresh the new topic route.  This phenomenon lasts a few days. 
   The rocketmq client version is 4_1_7. 
   
   


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