Github user lvfangmin commented on the issue:
https://github.com/apache/zookeeper/pull/504
The newly added exception will be caught in the QuorumPeer, which will
trigger another round of look up.
This change looks good to me, itâs always safer to check, although this
may not actually happen on 3.6 with dynamic config, unless there is a bug,
which we should fix.
+1---
