HDF3 supports NiFi 1.2, which is pretty outdated. There have been a lot of improvements added and number of bugs fixed. Just to name one, which I suffer of is here: https://issues.apache.org/jira/browse/NIFI-4286 Does HDF team apply such fixes to a bundled version of NiFi? I wanted to look at nifi-standard-processors source code from Hortonworks repo, but unfortunately there is no src code artifact there: http://repo.hortonworks.com/content/repositories/releases/org/apache/nifi/nifi-standard-processors/1.2.0.3.0.0.0-453/ ... View more