Client Traceback (most recent call last):
  File "/usr/share/openerp/addons/web/common/http.py", line 180, in dispatch
    response["result"] = method(controller, self, **self.params)
  File "/usr/share/openerp/addons/web/controllers/main.py", line 353, in get_list
    dbs = proxy.list()
  File "/usr/share/openerp/addons/web/common/openerplib/main.py", line 117, in proxy
    result = self.connector.send(self.service_name, method, *args)
  File "/usr/share/openerp/addons/web/common/http.py", line 611, in send
    raise fault


Server Traceback (most recent call last):
  File "/usr/share/openerp/addons/web/common/http.py", line 592, in send
    result = openerp.netsvc.dispatch_rpc(service_name, method, args)
  File "/usr/share/openerp/netsvc.py", line 360, in dispatch_rpc
    result = ExportService.getService(service_name).dispatch(method, params)
  File "/usr/share/openerp/service/web_services.py", line 117, in dispatch
    return fn(*params)
  File "/usr/share/openerp/service/web_services.py", line 310, in exp_list
    cr = db.cursor()
  File "/usr/share/openerp/sql_db.py", line 465, in cursor
    return Cursor(self._pool, self.dbname, serialized=serialized)
  File "/usr/share/openerp/sql_db.py", line 173, in __init__
    self._cnx = pool.borrow(dsn(dbname))
  File "/usr/share/openerp/sql_db.py", line 366, in _locked
    return fun(self, *args, **kwargs)
  File "/usr/share/openerp/sql_db.py", line 421, in borrow
    result = psycopg2.connect(dsn=dsn, connection_factory=PsycoConnection)
  File "/usr/lib/python2.7/dist-packages/psycopg2/__init__.py", line 179, in connect
    connection_factory=connection_factory, async=async)
OperationalError: FATAL:  role "openerp" does not exist