Description of problem:
dnf install /usr/bin/jar

Version-Release number of selected component:
dnf-0.5.5-1.fc21

Additional info:
reporter:       libreport-2.2.3
cmdline:        /usr/bin/python -OO /bin/dnf install /usr/bin/jar
dso_list:       python-hawkey-0.4.19-1.fc21.x86_64
executable:     /bin/dnf
kernel:         3.16.0-0.rc7.git4.1.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            0

Truncated backtrace:
__init__.py:186:install:Exception: Goal operation failed.

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)
Exception: Goal operation failed.

Local variables in innermost frame:
self: <dnf.goal.Goal object at 0x7f5d32c4ab40>
args: ()
kwargs: {'select': <dnf.selector.Selector object at 0x7f5d32c5a910>}