clytzelbj commented on issue #19461:
URL: 
https://github.com/apache/shardingsphere/issues/19461#issuecomment-1193615456

   > This is a weird issue that I haven't reproduced, hopefully a volunteer can 
look into this.
   
   We have already found out the reason for this issue.
   You can reproduce this issue if you start a proxy cluster from scratch and 
set the serverConfig.mode.overwrite to false.
   
   Details:
   In 
org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.metadata.watcher.MetaDataChangedWatcher
 where shardingsphere proxy watches the configs from zookeeper and handle them, 
we found that the data in metadata/{databaseName}/version is only synchronized 
when updating. But on the first time we create a table, the event type is ADDED.
   
![image](https://user-images.githubusercontent.com/10139124/180707653-d29b1e02-90f8-4c79-853b-7aaf2eea6d1e.png)
   After I found the reason above, I realized this issue is already fixed in 
master branch. 
   
![image](https://user-images.githubusercontent.com/10139124/180707675-5c6d9c4a-7f82-4fef-b604-f240374db0cb.png)
   Since 5.1.2 is a release version, maybe it's necessary to fix this issue on 
the release branch.


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