Agent connection aborts with Algorithm negotiation fails error and trace file is created
Error Message :
Caused by: com.uc4.ftpjob.DataTransferException: Connection exception.
at com.uc4.transfer.CITSFTPImpl.(CITSFTPImpl.java:214)
at com.uc4.ftpjob.connections.ConnectionFactory$1.run(ConnectionFactory.java:70)
... 1 more
Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail
at com.jcraft.jsch.Session.receive_kexinit(Session.java:583)
at com.jcraft.jsch.Session.connect(Session.java:320)
at com.jcraft.jsch.Session.connect(Session.java:183)
at com.uc4.transfer.CITSFTPImpl.(CITSFTPImpl.java:194)
... 2 more
When upgrading to the Automation Engine (AE) version 12.0.3 and the RA FTP Agent version 4.0.3. the following Error Message is encountered.
<Please see attached file for image>
<Please see attached file for image>
.
The connection via RA_FTP will start with the below Message and then it aborts and a trace file is created similar to the one shown below.
RA-TRACE:
Caused by: com.jcraft.jsch.JSchException: Algorithm negotiation fail at com.jcraft.jsch.Session.receive_kexinit(Session.java:583) at com.jcraft.jsch.Session.connect(Session.java:320) at com.jcraft.jsch.Session.connect(Session.java:183) at com.uc4.transfer.CITSFTPImpl.<init>(CITSFTPImpl.java:194) ... 2 more
Cause type:
Defect
Root Cause: SSH connection fails due to a missing compression algorithm
Release: AOMVMW99000-4.0-Automic-Operations Manager-VMware vCenter Agent
Component:
Update to a fix version listed below or a newer version if available where a zip compression algorithm has now been added to the solution.
Fix Status: Released
Fix Version(s):
RA FTP Solution 4.0.4 - Available
Workaround :
N/A