Version-Release number of selected component (if applicable):
$ dnf --version
0.5.5
  Installed: dnf-0:0.5.5-1.fc22.noarch at 2014-08-04 11:51
  Built    : Fedora Project at 2014-07-28 14:15

  Installed: rpm-0:4.11.90-0.git12844.5.fc21.x86_64 at 2014-07-23 16:53
  Built    : Fedora Project at 2014-07-03 10:55


How reproducible:
always

Steps to Reproduce:
1.$ sudo dnf install /usr/lib64/libstdc++.a

Actual results:

Traceback (most recent call last):
  File "/bin/dnf", line 36, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 200, in user_main
    errcode = main(args)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 83, in main
    return _main(base, args)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 133, in _main
    cli.run()
  File "/usr/lib/python2.7/site-packages/dnf/cli/cli.py", line 1053, in run
    return self.command.run(self.base.extcmds)
  File "/usr/lib/python2.7/site-packages/dnf/cli/commands/install.py", line 97, in run
    self.base.install(pkg_spec)
  File "/usr/lib/python2.7/site-packages/dnf/base.py", line 1261, in install
    self._goal.install(select=sltr)
  File "/usr/lib64/python2.7/site-packages/hawkey/__init__.py", line 160, in tweaked_fn
    return fn(self, *args, **kwargs)
  File "/usr/lib64/python2.7/site-packages/hawkey/__init__.py", line 186, in install
    super(Goal, self).install(*args, **kwargs)
_hawkey.Exception: Goal operation failed.

Expected results:

as yum display :
"No package /usr/lib64/libstdc++.a available."

Additional info: