Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/2631
Closing this PR as we decided to just reset NiFi Registry in order to
switch Persistence Providers until more reliable export/import commands are
added. See [NIFIREG-162](https://issues.apache.org/jira/browse/NIFIREG-162) for
detail.---
