[新手求助]openerp 安装运行时错误 web不能运行

[suzaichuan]

配置为：
[options]
; This is the password that allows database operations:
; admin_passwd = admin
db_host = localhost
db_port = 5432
db_user = openerp
db_password = 123456
addons_path = e:\openerp\openerp\addons
但总是出错运行；win7 环境下源代码运行，7.0 8.0都同样的问题。
是啥原因，怎么解决呢？
日志如下（openerp7.0）：

2014-10-28 21:05:32,339 2512 INFO ? openerp: OpenERP version 7.0-20140804-231303
2014-10-28 21:05:32,341 2512 INFO ? openerp: addons paths: e:\openerp\openerp\addons
2014-10-28 21:05:32,341 2512 INFO ? openerp: database hostname: localhost
2014-10-28 21:05:32,342 2512 INFO ? openerp: database port: 5432
2014-10-28 21:05:32,342 2512 INFO ? openerp: database user: openerp
2014-10-28 21:05:32,569 2512 CRITICAL ? openerp.modules.module: Couldn't load module web
2014-10-28 21:05:32,569 2512 CRITICAL ? openerp.modules.module: [Error 3] : 'e:\openerp\openerp\addons/.'
2014-10-28 21:05:32,581 2512 ERROR ? openerp.service: Failed to load server-wide module web.
The web module is provided by the addons found in the openerp-web project.
Maybe you forgot to add those addons in your addons_path configuration.
Traceback (most recent call last):
  File "E:/openerp/openerp\openerp\service_init_.py", line 60, in load_server_wide_modules
    openerp.modules.module.load_openerp_module(m)
  File "E:/openerp/openerp\openerp\modules\module.py", line 415, in load_openerp_module
    getattr(sys.modules['openerp.addons.' + module_name], info['post_load'])()
  File "E:\openerp\openerp\openerp\addons\web\http.py", line 628, in wsgi_postload
    openerp.wsgi.register_wsgi_handler(Root())
  File "E:\openerp\openerp\openerp\addons\web\http.py", line 517, in init
    self.load_addons()
  File "E:\openerp\openerp\openerp\addons\web\http.py", line 571, in load_addons
    for module in sorted(os.listdir(str(addons_path))):
WindowsError: [Error 3] : 'e:\openerp\openerp\addons/.'
2014-10-28 21:05:32,608 2512 INFO ? openerp: OpenERP server is running, waiting for connections...
2014-10-28 21:05:32,609 2512 INFO ? openerp.service.wsgi_server: HTTP service (werkzeug) running on 0.0.0.0:8069