I think you have to check the log on the zookeeper side, my advice is to increase the value of "nifi.zookeeper.connect.timeout" and "nifi.zookeeper.session.timeout" settings. Also check your network connection between the Zookeeper servers and Nifi servers, Network latency can cause the issue. ... View more

Thanks, it's useful ... View more

Hello I've just add these two line below under security section and it works [security] ssl_verify_cert=0 force_https_protocol=PROTOCOL_TLSv1_2 ... View more

Hello I've just add these two line below under security section and it works [security] ssl_verify_cert=0 force_https_protocol=PROTOCOL_TLSv1_2 ... View more

Hello, Anyone have an idea about nifi registry databases, how to backup that database ? you can locate that database by the "nifi.registry.db.directory" proporities ... View more

Adel, I have the same issue, I have spark1.6 and I need to use spark-csv, can you tell me what I need to do please. and for Zeppelin, does it work fot you? ... View more