Github user tillrohrmann commented on the issue:
https://github.com/apache/flink/pull/3745
Thanks for spotting the problem @WangTaoTheTonic. This is important to fix.
I think we cannot solve the problem as you've done it, because you access
actor state from outside of the actor's main thread. I think it would be better
to introduce a resource manager connection id which we can use to distinguish
whether we have to reconnect from a resource manager or whether it is an
outdated `ReconnectResourceManager` message. We can do the check then in the
handler for the `ReconnectResourceManager` message.
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