Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/2007
AppVeyor build has been failing. There are many unit tests those are not
working well on Windows. We've been trying to improve it but not completed.
---
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.
---
