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我使用mongoengine通過django連接mangodb時出現連接錯誤Django數據庫連接與mangoDB使用mangoengine給我錯誤？
我已經包含以下設置。
mongoengine.connect('zaya', username='admin', password='secret')
# Mongo DB Sessions
SESSION_ENGINE = 'mongoengine.django.sessions'
SESSION_SERIALIZER = 'mongoengine.django.sessions.BSONSerializer'
而且我已經分貝名zaya，創建用戶名admin和密碼分泌
爲了創建這個我按照以下鏈接：
http://petrkout.com/programming/setting-up-django-with-mongodb/
錯誤堆棧跟蹤：
packages/pymongo/client_options.py", line 108, in <listcomp>
options = dict([validate(opt, val) for opt, val in iteritems(options)])
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/pymongo/common.py", line 425, in validate
value = validator(option, value)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/pymongo/common.py", line 249, in validate_read_preference
raise TypeError("%r is not a read preference." % (value,))
TypeError: False is not a read preference.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/django/core/management/__init__.py", line 338,
execute_from_command_line
utility.execute()
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/django/core/management/__init__.py", line 303, in execute
settings.INSTALLED_APPS
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/django/conf/__init__.py", line 48, in __getattr__
self._setup(name)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/django/conf/__init__.py", line 44, in _setup
self._wrapped = Settings(settings_module)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/django/conf/__init__.py", line 92, in __init__
mod = importlib.import_module(self.SETTINGS_MODULE)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/importlib/__init__.py", line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 2231, in _gcd_import
File "<frozen importlib._bootstrap>", line 2214, in _find_and_load
File "<frozen importlib._bootstrap>", line 2203, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked
File "<frozen importlib._bootstrap>", line 1129, in _exec
File "<frozen importlib._bootstrap>", line 1448, in exec_module
File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
File "/home/neha/MyProjects/StudentAssessment/src/settings.py", line 103, in <module>
mongoengine.connect('zaya', username='admin', password='secret')
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/mongoengine/connection.py", line 164, in connect
return get_connection(alias)
File "/home/neha/MyProjects/StudentAssessment/lib/python3.4/site-packages/mongoengine/connection.py", line 126, in get_connection
raise ConnectionError("Cannot connect to database %s :\n%s" % (alias, e))
mongoengine.connection.ConnectionError: Cannot connect to database default :
False is not a read preference.