Hypervisor task on satellite ends in warning: undefined method `[]' for nil:NilClass.

Solution Verified - Updated -


  • one or more hypervisor(s) do not report on satellite.
  • # virt-who -o -d runs successfully but the Hypervisor task on satellite ends in warning. Shows the below error in details:
undefined method `[]' for nil:NilClass (NoMethodError)


  • Red Hat Satellite 6.x
  • Vcenter

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In