Django的指数误差

昨天它工作得很好，当我跑的服务器，但现在我得到这样的：Django的指数误差

 
****Environment: 
Request Method: GET 
Request URL: http://192.168.2.206:8080/home/ 
Django Version: 1.1.1 
Python Version: 2.6.5 
Installed Applications: 
['django.contrib.auth', 
'django.contrib.admin', 
'django.contrib.contenttypes', 
'django.contrib.markup', 
'django.contrib.sessions', 
'django.contrib.sites', 
'django.contrib.comments', 
'mysite.registration', 
'mysite.profiles', 
'mysite.epw', 
'mysite.remember_me', 
'mysite.avatar', 
'mysite.django_documents', 
'mysite.inlines', 
'mysite.blog', 
'mysite.forum', 
'tagging'] 
Installed Middleware: 
('django.middleware.cache.UpdateCacheMiddleware', 
'django.middleware.common.CommonMiddleware', 
'django.middleware.cache.FetchFromCacheMiddleware', 
'django.contrib.sessions.middleware.SessionMiddleware', 
'django.contrib.auth.middleware.AuthenticationMiddleware', 
'mysite.remember_me.views.AutoLogout') 
Traceback: 
File "/usr/lib/pymodules/python2.6/django/core/handlers/base.py" in get_response 
    92.     response = callback(request, *callback_args, **callback_kwargs) 
File "/usr/lib/pymodules/python2.6/django/views/decorators/cache.py" in _wrapped_view_func 
    44.   response = view_func(request, *args, **kwargs) 
File "/usr/lib/pymodules/python2.6/django/utils/decorators.py" in _wrapped_view 
    48.     response = view_func(request, *args, **kwargs) 
File "/home/karthik/Desktop/EPW_LOCAL/mysite/../mysite/remember_me/views.py" in remember_me_login 
    81.  result_of_update, result_of_category, result_of_cover, result_of_latest, result_of_block, result_of_footer, result_of_research = common_blocks() 
File "/home/karthik/Desktop/EPW_LOCAL/mysite/../mysite/epw/views.py" in common_blocks 
    332.  result_of_update = display_updated_date() 
File "/home/karthik/Desktop/EPW_LOCAL/mysite/../mysite/epw/views.py" in display_updated_date 
    1357.  updated_obj = pdf_database.objects.filter(updated_date__gte = previous_datetime, updated_date__lte = cur_datetime).order_by("-updated_date")[0] 
File "/usr/lib/pymodules/python2.6/django/db/models/query.py" in __getitem__ 
    159.    return list(qs)[0] 
**Exception Type: IndexError at /home/ 
Exception Value: list index out of range******

来源

2010-11-22 ravi

你查询集有0的结果。特别是这一个：

updated_obj = pdf_database.objects.filter(updated_date__gte = previous_datetime, updated_date__lte = cur_datetime).order_by("-updated_date")

来源

2010-11-22 06:00:13

昨日其运行的服务器时，今天我得到我喜欢这个

从管理或控制台添加新pdf_database对象，这种观点应该回到运行良好，工作正常像昨天

来源

2010-11-22 07:18:29

Django的指数误差

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