Github user JPercivall commented on the issue:
https://github.com/apache/nifi/pull/697
+1
Visually verified code (should probably fix your auto-format of imports
though) and did a contrib check build. I saw this problem before when
disconnecting/connecting various nodes. After this commit I no longer saw the
problem when using a secure 3 node cluster. Thanks @markap14, I will merge it
in.
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