While subscribing channel to a system using "rhn-channel" the task fails with a "exceptions.TypeError" message ?

Solution Verified - Updated -

Issue

  • rhn-channel command fails with following message:
[root@testsystem ~]# rhn-channel --add --channel=rhel-x86_64-server-6-rhevm-3
Username: my username   
Password: 
An error has occurred:
File "/usr/sbin/rhn-channel", line 164, in <module>
    systemExit(1, e)
  File "/usr/sbin/rhn-channel", line 46, in systemExit
    sys.stderr.write(rhncli.utf8_encode(msg)+'\n')
<type 'exceptions.TypeError'>: unsupported operand type(s) for +: 'CommunicationError' and 'str'

Environment

  • Red Hat Enterprise Linux
  • rhn-channel

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