Why "leapp preupgrade" fails with error "Failed to install DNF plugin. Error: [Errno 2] No such file or directory: '/var/lib/leapp/el9userspace/lib/python3.9/site-packages/dnf-plugins/rhel_upgrade.py'"?

Solution Verified - Updated -

Issue

  • During an in-place upgrade from RHEL 8 to RHEL 9, the leapp preupgradecommand encounters an error and fails:

    # cat /var/log/leapp/leapp-report.txt
Risk Factor: high (error)
Title: Failed to install DNF plugin. Error: [Errno 2] No such file or directory: '/var/lib/leapp/el9userspace/lib/python3.9/site-packages/dnf-plugins/rhel_upgrade.py'
Summary:
Key: 99a8950292b22077bbfbd761958ddb2593de5c90

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Leapp

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