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

Hello @MeenaK ,   thank you for reaching out.   This community thread mentions, that "The ConvertJsonToAvro processor was removed from the default NiFi distribution bundle because of space limitations as of the Apache NiFi 1.10 release.".   this thread points to a repo of the Apache Nifi.   Hope it helps!   Kind regards: Ferenc ... 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