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I am trying to start neutron-server on my network node but it is crashing. Here is the output followed by my api-paste.ini file. What is wrong? I have the exact same api-paste.ini file working on other server but it is crashing on my neutron node. Any suggestions?

[root at networking neutron]# neutron-server
2013-11-27 14:58:04.447 5336 INFO neutron.common.config [-] Logging enabled!
2013-11-27 14:58:04.448 5336 ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver
2013-11-27 14:58:04.453 5336 INFO neutron.common.config [-] Config paste file: /etc/neutron/api-paste.ini
2013-11-27 14:58:04.459 5336 ERROR neutron.common.config [-] Unable to load neutron from configuration file /etc/neutron/api-paste.ini.
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config Traceback (most recent call last):
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/neutron/common/config.py", line 144, in load_paste_app
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     app = deploy.loadapp("config:%s" % config_path, name=app_name)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 247, in loadapp
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     return loadobj(APP, uri, name=name, **kw)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 272, in loadobj
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     return context.create()
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 710, in create
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     return self.object_type.invoke(self)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 144, in invoke
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     **context.local_conf)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/util.py", line 56, in fix_call
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     val = callable(*args, **kw)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/paste/urlmap.py", line 25, in urlmap_factory
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     app = loader.get_app(app_name, global_conf=global_conf)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 350, in get_app
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     name=name, global_conf=global_conf).create()
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 710, in create
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     return self.object_type.invoke(self)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 144, in invoke
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     **context.local_conf)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/util.py", line 56, in fix_call
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     val = callable(*args, **kw)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/neutron/auth.py", line 58, in pipeline_factory
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     filters = [loader.get_filter(n) for n in pipeline[:-1]]
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 354, in get_filter
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     name=name, global_conf=global_conf).create()
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 366, in filter_context
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     FILTER, name=name, global_conf=global_conf)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 458, in get_context
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     section)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 517, in _context_from_explicit
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     value = import_string(found_expr)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 22, in import_string
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     return pkg_resources.EntryPoint.parse("x=" + s).load(False)
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/pkg_resources.py", line 1948, in load
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config     entry = __import__(self.module_name, globals(),globals(), ['__name__'])
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config ImportError: No module named keystoneclient.middleware.auth_token
2013-11-27 14:58:04.459 5336 TRACE neutron.common.config 
2013-11-27 14:58:04.463 5336 WARNING neutron.service [-] Attempting fallback to old Quantum api-paste config
2013-11-27 14:58:04.464 5336 INFO neutron.common.config [-] Logging enabled!
2013-11-27 14:58:04.464 5336 ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver
2013-11-27 14:58:04.467 5336 INFO neutron.common.config [-] Config paste file: /etc/neutron/api-paste.ini
2013-11-27 14:58:04.467 5336 ERROR neutron.common.config [-] Unable to load quantum from configuration file /etc/neutron/api-paste.ini.
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config Traceback (most recent call last):
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/neutron/common/config.py", line 144, in load_paste_app
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     app = deploy.loadapp("config:%s" % config_path, name=app_name)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 247, in loadapp
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     return loadobj(APP, uri, name=name, **kw)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 271, in loadobj
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     global_conf=global_conf)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 296, in loadcontext
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     global_conf=global_conf)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 320, in _loadconfig
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     return loader.get_context(object_type, name, global_conf)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 408, in get_context
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     object_type, name=name)
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config   File "/usr/lib/python2.6/site-packages/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 587, in find_config_section
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config     self.filename))
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config LookupError: No section 'quantum' (prefixed by 'app' or 'application' or 'composite' or 'composit' or 'pipeline' or 'filter-app') found in config /etc/neutron/api-paste.ini
2013-11-27 14:58:04.467 5336 TRACE neutron.common.config 
2013-11-27 14:58:04.468 5336 ERROR neutron.service [-] In serve_wsgi()
2013-11-27 14:58:04.468 5336 TRACE neutron.service Traceback (most recent call last):
2013-11-27 14:58:04.468 5336 TRACE neutron.service   File "/usr/lib/python2.6/site-packages/neutron/service.py", line 100, in serve_wsgi
2013-11-27 14:58:04.468 5336 TRACE neutron.service     service.start()
2013-11-27 14:58:04.468 5336 TRACE neutron.service   File "/usr/lib/python2.6/site-packages/neutron/service.py", line 65, in start
2013-11-27 14:58:04.468 5336 TRACE neutron.service     self.wsgi_app = _run_wsgi(self.app_name)
2013-11-27 14:58:04.468 5336 TRACE neutron.service   File "/usr/lib/python2.6/site-packages/neutron/service.py", line 109, in _run_wsgi
2013-11-27 14:58:04.468 5336 TRACE neutron.service     app = config.load_paste_app(app_name)
2013-11-27 14:58:04.468 5336 TRACE neutron.service   File "/usr/lib/python2.6/site-packages/neutron/common/config.py", line 151, in load_paste_app
2013-11-27 14:58:04.468 5336 TRACE neutron.service     raise RuntimeError(msg)
2013-11-27 14:58:04.468 5336 TRACE neutron.service RuntimeError: Unable to load quantum from configuration file /etc/neutron/api-paste.ini.
2013-11-27 14:58:04.468 5336 TRACE neutron.service 
ERROR: Unable to load quantum from configuration file /etc/neutron/api-paste.ini.
[root at networking neutron]# cat api-paste.ini 
[composite:neutron]
use = egg:Paste#urlmap
/: neutronversions
/v2.0: neutronapi_v2_0

[composite:neutronapi_v2_0]
use = call:neutron.auth:pipeline_factory
noauth = extensions neutronapiapp_v2_0
keystone = authtoken keystonecontext extensions neutronapiapp_v2_0

[filter:keystonecontext]
paste.filter_factory = neutron.auth:NeutronKeystoneContext.factory

[filter:authtoken]
paste.filter_factory = keystoneclient.middleware.auth_token:filter_factory
auth_host = controller
auth_uri = http://controller:5000
admin_user = neutron
admin_tenant_name = service
admin_password = pass

[filter:extensions]
paste.filter_factory = neutron.api.extensions:plugin_aware_extension_middleware_factory

[app:neutronversions]
paste.app_factory = neutron.api.versions:Versions.factory

[app:neutronapiapp_v2_0]
paste.app_factory = neutron.api.v2.router:APIRouter.factory


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