Mahadev konar commented on ZOOKEEPER-547:

saw this in the logs - 

junit.framework.AssertionFailedError: fastleaderelection used

Doesnt seem to be related to the patch but will have to take a closer look.

> Sanity check in QuorumCnxn Manager and quorum communication port.
> -----------------------------------------------------------------
>                 Key: ZOOKEEPER-547
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-547
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: leaderElection, server
>    Affects Versions: 3.2.0, 3.2.1
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>             Fix For: 3.2.2, 3.3.0
>         Attachments: ZOOKEEPER-547.patch, ZOOKEEPER-547.patch, 
> ZOOKEEPER-547.patch
> We need to put some sanity checks in QuorumCnxnManager and the other quorum 
> port for rogue clients. Sometimes a clients might get misconfigured and they 
> might send random characters on such ports. We need to make sure that such 
> rogue clients do not bring down the clients and need to put in some sanity 
> checks with respect to packet lengths and deserialization.

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