hangc0276 commented on pull request #3110:
URL: https://github.com/apache/bookkeeper/pull/3110#issuecomment-1067618955


   > Thanks @congbobo184 for making this PR.
   > 
   > I'm just wondering that `close` should get called once as a result of the 
guard by `org.apache.bookkeeper.client.PendingReadOp`'s `AtomicBoolean 
complete` field:
   > 
   > 
https://github.com/apache/bookkeeper/blob/10825c93bccd9e170df75ab9f2cf85cb6043f649/bookkeeper-server/src/main/java/org/apache/bookkeeper/client/PendingReadOp.java#L619-L622
   > 
   > Why isn't that sufficient?
   
   @lhotari  It changed the  request's `complete` flag from `false` to `true`. 
And when the previous request's response came back, whose request has already 
been closed, it will be filtered by this complete flag and prevent tampering 
other entry's data.


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