https://userapps.support.sap.com/sap/support/knowledge/en/3427675
3427675 - com.jcraft.jsch.JSchException: Auth fail for methods 'publickey,password' error when...
You have an iflow using SFTP adapter to connect to a SFTP server using 'Publickey' authentication which throws the below error: com.jcraft.jsch.JSchException:...