Not able to connect to SFTP server with RF-SSHLibrary

Robot Framework
1

Please help me on the below issue.

not able to connect to SFTP server with RF-SSHLibrary.

  1. using command prompt , i am able to login with below command
    sftp -o port=12000 -c aes256-cbc xxx@abc.xyz.rec.gov

  2. using python also , i am able to connect and send/receive files .

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(‘abc.xyz.rec.gov’, 12000, ‘xxx’, ‘xxx’)
sftp = ssh.open_sftp()
sftp.get(‘test1.TXT’,‘test1.TXT’)
sftp.close()
ssh.close()

3 but with robot framework , i am not able to connect.

*** Test Cases ***
Open Connec
Open Connection abc.xyz.rec.gov port=12000

Enter Credentials
Login username=xxx password=xxx

iam getting below error .

SSH OAG :: Robot Framework test script

Open Connec | PASS |

Enter Credentials | FAIL |
SSHException: Channel closed.

2

Unless some newer version of SSHLibrary allows, it is known that SFTP connections is not possible. Only SSH is.

Of course this may have changed and been allowed. When I used that library, the SSH protocol was the only possible for the connection, even if transferring files would use SFTP.