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https://issues.apache.org/jira/browse/ZOOKEEPER-1303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800546#comment-13800546
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Rakesh R commented on ZOOKEEPER-1303:
-------------------------------------

Hi, It seems this has been fixed as part of ZOOKEEPER-1361. Can we close this 
issue?

> Observer LearnerHandlers are not removed from Leader collection.
> ----------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1303
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1303
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.3.4
>            Reporter: Ashish Mishra
>            Assignee: Ashish Mishra
>            Priority: Minor
>             Fix For: 3.5.0
>
>         Attachments: removeObservingLearners.diff
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> The Leader.removeLearnerHandler() call removes handlers from the 
> forwardingFollowers and learners sets, but not from observingLearners.  This 
> will cause a leak if observers are repeatedly connected and disconnected from 
> the ensemble.



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