Github user mattyb149 commented on the issue:
https://github.com/apache/nifi/pull/629
+1 LGTM, reproduced the issue then tested with the fix, verified the error
is no longer present--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at [email protected] or file a JIRA ticket with INFRA. ---
