Django 1.8.1：发生服务器错误。请联系管理员

Question

我正在使用 django-1.8.1 并且一切都很好但是当我再次尝试使用下面的命令运行我的服务器时，我得到了一些错误：

命令：python manage.py runserver

命令行出现错误：

> Traceback (most recent call last):
  File "C:\Python34\lib\wsgiref\handlers.py", line 137, in run
    self.result = application(self.environ, self.start_response)
  File "C:\Python34\lib\site-packages\django\contrib\staticfiles\handlers.py", l
ine 63, in __call__
    return self.application(environ, start_response)
  File "C:\Python34\lib\site-packages\django\core\handlers\wsgi.py", line 170, i
n __call__
    self.load_middleware()
  File "C:\Python34\lib\site-packages\django\core\handlers\base.py", line 50, in
 load_middleware
    mw_class = import_string(middleware_path)
  File "C:\Python34\lib\site-packages\django\utils\module_loading.py", line 24,
in import_string
    six.reraise(ImportError, ImportError(msg), sys.exc_info()[2])
  File "C:\Python34\lib\site-packages\django\utils\six.py", line 658, in reraise
> 
>     raise value.with_traceback(tb)   File "C:\Python34\lib\site-packages\django\utils\module_loading.py", line
> 21, in import_string
>     module_path, class_name = dotted_path.rsplit('.', 1) ImportError: polls doesn't look like a module path [24/Apr/2015 21:50:25]"GET /
> HTTP/1.1" 500 59

浏览器出现错误：

A server error occurred. Please contact the administrator.

另外，我在网上搜索了这个问题，我找到了一些东西，但它们对我不起作用。

这是我的 settings.py : `

    """
    Django settings for havij project.

    Generated by 'django-admin startproject' using Django 1.8.

    For more information on this file, see
    https://docs.djangoproject.com/en/1.8/topics/settings/

    For the full list of settings and their values, see
    https://docs.djangoproject.com/en/1.8/ref/settings/
    """

    # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
    import os

    BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


    # Quick-start development settings - unsuitable for production
    # See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/

    # SECURITY WARNING: keep the secret key used in production secret!
    SECRET_KEY = '9va4(dd_pf#!(2-efc-ipiz@7fgb8y!d(=5gdmie0cces*9lih'

    # SECURITY WARNING: don't run with debug turned on in production!
    DEBUG = True

    ALLOWED_HOSTS = []


    # Application definition

        INSTALLED_APPS = (
            'django.contrib.admin',
            'django.contrib.auth',
            'django.contrib.contenttypes',
            'django.contrib.sessions',
            'django.contrib.messages',
            'django.contrib.staticfiles',
            'polls' ,
        )

        MIDDLEWARE_CLASSES = (
            'django.contrib.sessions.middleware.SessionMiddleware',
            'django.middleware.common.CommonMiddleware',
            'django.middleware.csrf.CsrfViewMiddleware',
            'django.contrib.auth.middleware.AuthenticationMiddleware',
            'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
            'django.contrib.messages.middleware.MessageMiddleware',
            'django.middleware.clickjacking.XFrameOptionsMiddleware',
            'django.middleware.security.SecurityMiddleware',
            'polls',
        )


    ROOT_URLCONF = 'havij.urls'

    TEMPLATES = [
        {
            'BACKEND': 'django.template.backends.django.DjangoTemplates',
            'DIRS': [],
            'APP_DIRS': True,
            'OPTIONS': {
                'context_processors': [
                    'django.template.context_processors.debug',
                    'django.template.context_processors.request',
                    'django.contrib.auth.context_processors.auth',
                    'django.contrib.messages.context_processors.messages',
                ],
            },
        },
    ]

    WSGI_APPLICATION = 'havij.wsgi.application'


    # Database
    # https://docs.djangoproject.com/en/1.8/ref/settings/#databases

    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
        }
    }


    # Internationalization
    # https://docs.djangoproject.com/en/1.8/topics/i18n/

    LANGUAGE_CODE = 'en-us'

    TIME_ZONE = 'UTC'

    USE_I18N = True

    USE_L10N = True

    USE_TZ = True


    # Static files (CSS, JavaScript, Images)
    # https://docs.djangoproject.com/en/1.8/howto/static-files/

    STATIC_URL = '/static/'
    `

这是 urls.py :

        from django.conf.urls import include, url
    from django.contrib import admin

    urlpatterns = [
        # Examples:
        # url(r'^$', 'havij.views.home', name='home'),
        # url(r'^blog/', include('blog.urls')),

        url(r'^admin/', include(admin.site.urls)),

感谢您的回答。

Answer 1

您已将应用名称 polls 放入 MIDDLEWARE_CLASSES。它应该只进入 INSTALLED_APPs.

Answer 2

在其他Django版本(1.7)中可以为'django.middleware.security.SecurityMiddleware'，在MIDDLEWARE_CLASSES。

Answer 3

尝试：

python manage.py migrate

它将为 "admin"

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Django 1.8.1：发生服务器错误。请联系管理员

Django 1.8.1 : A server error occurred. Please contact the administrator

django

django-models

python-3.x