Github user mridulm commented on the pull request:
https://github.com/apache/incubator-spark/pull/332#discussion_r9854054
is it possible for handleClientAuthNeg to be invoked right after
sendSecurityMessage and before adding to connectionsAwaitingSasl ?
(pre-emption, repsonse from other side before we get back here).
If yes, we should add to connectionsAwaitingSasl before sendSecurityMessage.
a conn.close will clean up connectionsAwaitingSasl anyway iirc, so it
should not introduce any other side effect.
any thoughts ?
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