OpenStack Glance Problem

when run command
#glance-api
Starting the Token Authentication component
Traceback (most recent call last):
  File "/usr/local/bin/glance-api", line 5, in <module>
    pkg_resources.run_script('glance==2011.3.2', 'glance-api')
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 467, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1200, in run_script
    execfile(script_filename, namespace, namespace)
  File "/usr/local/lib/python2.7/dist-packages/glance-2011.3.2-py2.7.egg/EGG-INFO/scripts/glance-api", line 66, in <module>
    server.start(app, int(conf['bind_port']), conf['bind_host'])
  File "/usr/local/lib/python2.7/dist-packages/glance-2011.3.2-py2.7.egg/glance/common/wsgi.py", line 65, in start
    socket = eventlet.listen((host, port), backlog=backlog)
  File "/usr/local/lib/python2.7/dist-packages/eventlet/convenience.py", line 38, in listen
    sock.bind(addr)

I don't knowolad how to fix it. Please help me.
I paste /etc/glance/glance-api.conf and glance-registry.conf at
http://paste2.org/p/1936212
and
http://paste2.org/p/1936215
  File "/usr/lib/python2.7/socket.py", line 224, in meth
    return getattr(self._sock,name)(*args)
socket.error: [Errno 98] Address already in use