Comment 1 for bug 1580890

contrail-api failed to start with the following traceback,

The above is a description of an error in a Python program. Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/bin/contrail-api", line 9, in <module>
    load_entry_point('vnc-cfg-api-server==0.1dev', 'console_scripts', 'contrail-api')()
  File "/usr/lib/python2.6/site-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1598, in server_main
    main()
  File "/usr/lib/python2.6/site-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1557, in main
    vnc_api_server = VncApiServer(args_str)
  File "/usr/lib/python2.6/site-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 396, in __init__
    self._pipe_start_app = auth_svc.get_middleware_app()
  File "/usr/lib/python2.6/site-packages/vnc_cfg_api_server/vnc_auth_keystone.py", line 249, in get_middleware_app
    level=SandeshLevel.SYS_NOTICE)
  File "/usr/lib/python2.6/site-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 1167, in config_log
    sandesh=self._sandesh)
  File "/usr/lib/python2.6/site-packages/pysandesh/sandesh_base.py", line 670, in send
    if (not self.is_rate_limit_pass(sandesh)):
  File "/usr/lib/python2.6/site-packages/pysandesh/sandesh_base.py", line 680, in is_rate_limit_pass
    if self.__class__.rate_limit_buffer.maxlen == 0:
AttributeError: 'collections.deque' object has no attribute 'maxlen'

/usr/lib/python2.6/site-packages/vnc_cfg_api_server/gen/vnc_api_server_gen.py:68: DeprecationWarning: object.__new__() takes no parameters
  obj = super(VncApiServerGen, cls).__new__(cls, *args, **kwargs)
05/11/2016 07:35:01 PM [contrail-api]: SANDESH: CONNECT TO COLLECTOR: True
INFO:contrail-api:SANDESH: CONNECT TO COLLECTOR: True