404 from nova vcenter connection

gistfile1.txt

2013-07-23 21:08:01.671 29032 INFO nova.manager [-] Skipping periodic task _periodic_update_dns because its interval is negative
2013-07-23 21:08:01.932 29032 INFO nova.virt.driver [-] Loading compute driver 'vmwareapi.VMwareVCDriver'
2013-07-23 21:08:02.178 29032 CRITICAL nova.virt.vmwareapi.driver [-] In vmwareapi:_create_session, got this exception: HTTP Error 404: Not Found
2013-07-23 21:08:02.183 29032 CRITICAL nova [-] HTTP Error 404: Not Found
2013-07-23 21:08:02.183 29032 TRACE nova Traceback (most recent call last):
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/bin/nova-compute", line 83, in <module>
2013-07-23 21:08:02.183 29032 TRACE nova     db_allowed=False)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 534, in create
2013-07-23 21:08:02.183 29032 TRACE nova     db_allowed=db_allowed)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 413, in __init__
2013-07-23 21:08:02.183 29032 TRACE nova     self.manager = manager_class(host=self.host, *args, **kwargs)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 353, in __init__
2013-07-23 21:08:02.183 29032 TRACE nova     self.driver = driver.load_compute_driver(self.virtapi, compute_driver)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/driver.py", line 930, in load_compute_driver
2013-07-23 21:08:02.183 29032 TRACE nova     virtapi)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/importutils.py", line 51, in import_object_ns
2013-07-23 21:08:02.183 29032 TRACE nova     return import_class(import_value)(*args, **kwargs)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/vmwareapi/driver.py", line 348, in __init__
2013-07-23 21:08:02.183 29032 TRACE nova     super(VMwareVCDriver, self).__init__(virtapi)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/vmwareapi/driver.py", line 145, in __init__
2013-07-23 21:08:02.183 29032 TRACE nova     api_retry_count, scheme=scheme)
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/vmwareapi/driver.py", line 417, in __init__
2013-07-23 21:08:02.183 29032 TRACE nova     self._create_session()
2013-07-23 21:08:02.183 29032 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/vmwareapi/driver.py", line 454, in _create_session
2013-07-23 21:08:02.183 29032 TRACE nova     raise exception.NovaException(excep)
2013-07-23 21:08:02.183 29032 TRACE nova NovaException: HTTP Error 404: Not Found
2013-07-23 21:08:02.183 29032 TRACE nova