Unable to add new Hypervisor to RHEVM console with error "Unable to create SSH client. Please check mina jars"

Solution Verified - Updated -

Issue

Cannot register RHEV-H to Admin Portal on RHEV-M.
Hit "Approve" button and host turns "Non-operational", giving the following error:

Cannot add Host. Failed creating an SSH session with the host. Verify that the host is reachable (IP address, routable address etc.) 
and authentication parameters are correct (Username/Password, public-key etc.) 
You may refer to the rhevm.log file for further details.

Environment

  • Red Hat Enterprise Virtualization (RHEV) 3.0
  • Red Hat Enterprise Virtualization Hypervisor 6.x

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