Error Message :
Algorithm negotiation fail
com.uc4.ftpjob.DataTransferException: Connection exception.
Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail
RA FTP agent fails to connect to an SFTP server due to a missing key negotiation algorithm.
Investigation
In order to determine whether or not this issue is impacting you, look in the RA FTP’s job report for an error similar to this: 2016-11-16 21:00:22 Using hosts file = /home/users/uc4/.ssh/known_hosts
Algorithm negotiation fail
com.uc4.ftpjob.DataTransferException: Connection exception.
at com.uc4.transfer.CITSFTPImpl.<init>(CITSFTPImpl.java:150)
at com.uc4.ftpjob.connections.ConnectionFactory$1.run(ConnectionFactory.java:61)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail
at com.jcraft.jsch.Session.receive_kexinit(Session.java:552)
at com.jcraft.jsch.Session.connect(Session.java:299)
at com.jcraft.jsch.Session.connect(Session.java:162)
at com.uc4.transfer.CITSFTPImpl.<init>(CITSFTPImpl.java:137)
... 2 more
2016-11-16 21:00:22 Command aborted with error message: Connection exception. Algorithm negotiation fail.