hi everyone ,wo use the lastest devstack install openstack, generate TypeError:

2015-01-27 06:39:50.318 29745 TRACE neutron.service Traceback (most recent call last): 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 102, in serve_wsgi
2015-01-27 06:39:50.318 29745 TRACE neutron.service service.start()
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 73, in start 2015-01-27 06:39:50.318 29745 TRACE neutron.service self.wsgi_app = _run_wsgi(self.app_name) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/service.py", line 168, in _run_wsgi 2015-01-27 06:39:50.318 29745 TRACE neutron.service app = config.load_paste_app(app_name) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/common/config.py", line 192, in load_paste_app 2015-01-27 06:39:50.318 29745 TRACE neutron.service app = deploy.loadapp("config:%s" % config_path, name=app_name) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 247, in loadapp 2015-01-27 06:39:50.318 29745 TRACE neutron.service return loadobj(APP, uri, name=name, **kw) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 272, in loadobj 2015-01-27 06:39:50.318 29745 TRACE neutron.service return context.create() 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create 2015-01-27 06:39:50.318 29745 TRACE neutron.service return self.object_type.invoke(self) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
2015-01-27 06:39:50.318 29745 TRACE neutron.service **context.local_conf)
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 58, in fix_call
2015-01-27 06:39:50.318 29745 TRACE neutron.service reraise(*exc_info)
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/compat.py", line 23, in reraise 2015-01-27 06:39:50.318 29745 TRACE neutron.service exec('raise t, e, tb', dict(t=t, e=e, tb=tb)) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call 2015-01-27 06:39:50.318 29745 TRACE neutron.service val = callable(*args, **kw) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 25, in urlmap_factory 2015-01-27 06:39:50.318 29745 TRACE neutron.service app = loader.get_app(app_name, global_conf=global_conf) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 350, in get_app 2015-01-27 06:39:50.318 29745 TRACE neutron.service name=name, global_conf=global_conf).create() 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 710, in create 2015-01-27 06:39:50.318 29745 TRACE neutron.service return self.object_type.invoke(self) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 144, in invoke
2015-01-27 06:39:50.318 29745 TRACE neutron.service **context.local_conf)
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 58, in fix_call
2015-01-27 06:39:50.318 29745 TRACE neutron.service reraise(*exc_info)
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/compat.py", line 23, in reraise 2015-01-27 06:39:50.318 29745 TRACE neutron.service exec('raise t, e, tb', dict(t=t, e=e, tb=tb)) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/paste/deploy/util.py", line 55, in fix_call 2015-01-27 06:39:50.318 29745 TRACE neutron.service val = callable(*args, **kw) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/auth.py", line 74, in pipeline_factory
2015-01-27 06:39:50.318 29745 TRACE neutron.service     app = filter(app)
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/api/extensions.py", line 392, in _factory 2015-01-27 06:39:50.318 29745 TRACE neutron.service return ExtensionMiddleware(app, ext_mgr=ext_mgr) 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/opt/stack/neutron/neutron/api/extensions.py", line 317, in __init__
2015-01-27 06:39:50.318 29745 TRACE neutron.service LOG.debug(str(mapper))
2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/routes/mapper.py", line 409, in __str__ 2015-01-27 06:39:50.318 29745 TRACE neutron.service for col in range(len(table[0]))] 2015-01-27 06:39:50.318 29745 TRACE neutron.service File "/usr/local/lib/python2.7/dist-packages/routes/mapper.py", line 408, in <genexpr> 2015-01-27 06:39:50.318 29745 TRACE neutron.service widths = [max(len(row[col]) for row in table) 2015-01-27 06:39:50.318 29745 TRACE neutron.service TypeError: object of type 'ExtensionController' has no len()
2015-01-27 06:39:50.318 29745 TRACE neutron.service
2015-01-27 06:39:50.322 29745 CRITICAL neutron [req-369d1412-9fac-449f-8a48-e7adea582d02 None] TypeError: object of type 'ExtensionController' has no len()



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