Mahadev konar updated ZOOKEEPER-484:

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this.

> Clients get SESSION MOVED exception when switching from follower to a leader.
> -----------------------------------------------------------------------------
>                 Key: ZOOKEEPER-484
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-484
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.2.0
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>            Priority: Blocker
>             Fix For: 3.2.1, 3.3.0
>         Attachments: sessionTest.patch, ZOOKEEPER-484-3.2.patch, 
> ZOOKEEPER-484.patch
> When a client is connected to follower and get disconnected and connects to a 
> leader it gets SESSION MOVED excpetion. This is beacuse of a bug in the new 
> feature of ZOOKEEPER-417 that we added in 3.2. All the releases before 3.2 DO 
> NOT have this problem. The fix is to make sure the ownership of a connection 
> gets changed when a session moves from follower to the leader. The workaround 
> to it in 3.2.0 would be to swithc off connection from clients to the leader. 
> take a look at *leaderServers* java property in 
> http://hadoop.apache.org/zookeeper/docs/r3.2.0/zookeeperAdmin.html.

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