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Old 01-24-2018, 12:27 AM   #1
Registered: Mar 2005
Location: Washington DC area
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uh... dnf group list is broken in Fedora 27 after system update

Hello all

Tonight I installed Fedora 27 and after I ran a dnf upgrade to update all of my packages, I tried to run the dnf group list command after reboot and I was given the following errors:

# dnf group list
Last metadata expiration check: 0:42:24 ago on Tue 23 Jan 2018 11:43:53 PM EST.
Traceback (most recent call last):
  File "/usr/bin/dnf", line 58, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.6/site-packages/dnf/cli/", line 179, in user_main
    errcode = main(args)
  File "/usr/lib/python3.6/site-packages/dnf/cli/", line 64, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/usr/lib/python3.6/site-packages/dnf/cli/", line 99, in _main
    return cli_run(cli, base)
  File "/usr/lib/python3.6/site-packages/dnf/cli/", line 115, in cli_run
  File "/usr/lib/python3.6/site-packages/dnf/cli/", line 1014, in run
  File "/usr/lib/python3.6/site-packages/dnf/cli/commands/", line 375, in run
  File "/usr/lib/python3.6/site-packages/dnf/cli/commands/", line 108, in _grp_setup
  File "/usr/lib/python3.6/site-packages/dnf/", line 550, in read_comps
  File "/usr/lib/python3.6/site-packages/dnf/", line 328, in _add_from_xml_filename
    ret = comps.fromxml_f(fn)
_libpycomps.ParserError: Fatal parser error
yum group list gives me the same error as well.. Any ideas on what I should do to fix this? It is strange that this distro's package manager would break after a single system upgrade
Old 01-24-2018, 01:40 AM   #2
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Looks broken here too. Check if a bug has been raised, and if not open one yourself.
Old 01-24-2018, 07:45 AM   #3
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My Rawhide system claims it's up to date (although looking at Koji suggests otherwise)
dnf group list works as expected
Old 01-24-2018, 10:58 AM   #4
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Registered: Jan 2018
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Had the problem hours ago, and just did the following minutes ago and got it resolved.

What I did:
`sudo dnf clean metadata`
`sudo dnf update`


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