Github user olegz commented on the pull request:
https://github.com/apache/nifi/pull/148#issuecomment-173941919
@trkurc @joewitt @markap14 Ok, I was not able to reproduce the deadlock
with _readLock_, that said I am voting for removal of any lock from stop
routine to avoid further confusion and potential to a misleading message to be
interpreted by a user, especially since we will still bring NiFi to a halt - no
matter what.
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