Another tutorial at this location https://medium.com/@julienlaurenceau/monitoring-nifi-with-graylog-22ef1493310a ... View more

Hi, There is currently no solution other than to swith back to rsa authent. In addition this library won't work if you try to use rsa with custom key length (I tried 4096 and it failed). You have to edit the ssh_config on the sftp server in order to disable ed25519 (or at least set rsa with a higher priority) I invite you to watch the ticket on nifi's JIRA https://issues.apache.org/jira/browse/NIFI-5816 Regards ... View more

Hi, I struggle several hours because everything was working fine from terminal on user nifi using my private key file with strictchecking. However, the problem within nifi was that it use the JSch library that does not support sftp server using ed25519 protocol ! Solution was : change sftp server configuration or use login/password. PS: thanks to nifi dev team, I love the tool Regards Julien ... View more