I had similar issue today, where Nifi server was up, but UI kept spinning.  I did clear browser cache and restarted the server, and browser.  The UI came back fine.  Just mentioning it for others, who may have similar issue,  ... View more

I am using nifi-1.11.4 and was able to upload the xml.  When I try to use the xml in my canvas I get error  org.apache.nifi.processors.kite.ConvertJSONToAvro is not known to this NiFi instance.  I would really like to try out this template. What is the solution. ... View more

I am getting similar error.  Where are we supposed to add the jar files from the github link provided above.  I am able to upload the template, but when I put that in canvas I get this error org.apache.nifi.processors.kite.ConvertJSONToAvro is not known to this NiFi instance ... View more