django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: admin
创建了一个Django项目,且包含一个admin的app,但是在启动Django的是时候抛出了以下异常:
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x00000180A3C34400>
Traceback (most recent call last):
File "C:\Python37\lib\site-packages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Python37\lib\site-packages\django\core\management\commands\runserver.py", line 116, in inner_run
autoreload.raise_last_exception()
File "C:\Python37\lib\site-packages\django\utils\autoreload.py", line 251, in raise_last_exception
six.reraise(*_exception)
File "C:\Python37\lib\site-packages\django\utils\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\Python37\lib\site-packages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Python37\lib\site-packages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Python37\lib\site-packages\django\apps\registry.py", line 89, in populate
"duplicates: %s" % app_config.label)
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: admin
最后提示是:
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: admin
说:应用程序标签不是唯一的,重复的: admin
查看配置文件:
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'admin.apps.AdminConfig',
]
第一个和最后一个貌似有点重复,尝试注释掉最后一个
会发现没有数据库:
E:\Project\library>python manage.py migrate
Traceback (most recent call last):
File "C:\Python37\lib\site-packages\django\db\backends\mysql\base.py", line 26, in <module>
import MySQLdb as Database
ModuleNotFoundError: No module named 'MySQLdb'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "C:\Python37\lib\site-packages\django\core\management\__init__.py", line 364, in execute_from_command_line
utility.execute()
File "C:\Python37\lib\site-packages\django\core\management\__init__.py", line 338, in execute
django.setup()
File "C:\Python37\lib\site-packages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Python37\lib\site-packages\django\apps\registry.py", line 108, in populate
app_config.import_models()
File "C:\Python37\lib\site-packages\django\apps\config.py", line 202, in import_models
self.models_module = import_module(models_module_name)
File "C:\Python37\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "C:\Python37\lib\site-packages\django\contrib\auth\models.py", line 4, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "C:\Python37\lib\site-packages\django\contrib\auth\base_user.py", line 52, in <module>
class AbstractBaseUser(models.Model):
File "C:\Python37\lib\site-packages\django\db\models\base.py", line 124, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "C:\Python37\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
value.contribute_to_class(cls, name)
File "C:\Python37\lib\site-packages\django\db\models\options.py", line 214, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "C:\Python37\lib\site-packages\django\db\__init__.py", line 33, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "C:\Python37\lib\site-packages\django\db\utils.py", line 211, in __getitem__
backend = load_backend(db['ENGINE'])
File "C:\Python37\lib\site-packages\django\db\utils.py", line 115, in load_backend
return import_module('%s.base' % backend_name)
File "C:\Python37\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "C:\Python37\lib\site-packages\django\db\backends\mysql\base.py", line 30, in <module>
'Did you install mysqlclient or MySQL-python?' % e
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named 'MySQLdb'.
Did you install mysqlclient or MySQL-python?
但是数据库的配置已经配置好了:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'library',
'HOST': '127.0.0.1',
'PORT': 3306,
'USER': 'root',
'PASSWORD': '########',
}
}
最后发现是应用名称和Django内置admin.py冲突了修改文件名就ok了
django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: admin的更多相关文章
- Django django.core.exceptions.ImproperlyConfigured: WSGI application 'myblog.wsgi.application' could not be loaded; Error importing module.报错
报错内容 django.core.exceptions.ImproperlyConfigured: WSGI application 'myblog.wsgi.application' could n ...
- django报错:django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module. Did you install mysqlclient?
django 迁移数据库报错 django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module.Did you ins ...
- 解决:django.core.exceptions.ImproperlyConfigured: Requested setting INSTALLED_APPS, but settings are not 的方法
错误类型: 该错误是在在创建Django工程时出现遇到的错误 完整报错信息:(博文标题输入长度有限制) django.core.exceptions.ImproperlyConfigured: Req ...
- python基于Django框架编译报错“django.core.exceptions.ImproperlyConfigured”的解决办法?
下面是我具体遇到的问题和解决方法: 错误详细信息: django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_IND ...
- pythoncharm 中解决启动server时出现 “django.core.exceptions.ImproperlyConfigured: Requested setting DEBUG, but settings are not configured”的错误
背景介绍 最近,尝试着用pythoncharm 这个All-star IDE来搞一搞Django,于是乎,下载专业版,PJ等等一系列操作之后,终于得偿所愿.可以开工了. 错误 在园子里找了一篇初学者的 ...
- 关于Django报错django.core.exceptions.ImproperlyConfigured: Requested setting DEBUG, but settings are not configure
报错代码:django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but se ...
- 【Django】django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module.
最近学习Django的过程中,在cmd打算使用python manage.py shell来测试数据的时候,当我一导入自己写的model类,就发现报了这个错误django.core.exception ...
- django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call
Error info: django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, ...
- django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE的解决办法(转)
在python的开发中,遇到了这个错误: django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TA ...
随机推荐
- LCA 最近公共祖先 (笔记、模板)
求lca的方法大体有三种: 1.dfs+RMQ(线段树 ST表什么的) 在线 2.倍增 在线 3.tarjan 离线 ps:离线:所有查询全输入后一次解决 在线:有一个查询输出一次 以下模板题为 洛谷 ...
- Rmq Problem mex
求区间mex.莫队可做. 但如果强制在线,就可以用主席树做. 建立权值线段树,找每个数最后一次出现的位置.查询的时候找第r棵线段树最近出现位置在l之前的最小数即可.update的时候可以update这 ...
- 使用shell脚本定时备份web网站代码
#!/bin/bash ############### common file ################ #备份文件存放目录 WEBBACK_DIR="/data/backup/ba ...
- Spring 使用外部属性文件配置
1.Spring提供了一个PropertyPlaceholderConfigurer的BeanFactory后置处理器,这个处理器允许用户将Bean的配置的部分内容 移到属性文件中.可以在Bean配置 ...
- Problem 1
Problem 1 # Problem_1.py """ If we list all the natural numbers below 10 that are mul ...
- @Autowired @Resource @Inject 自动注入
一.@AutoWired ( spring 的注解 )自动注入 /** * @Autowired: * 默认按照 Student 类型去容器中找对应的组件:applicationContext.get ...
- 在centOS6.5 上安装使用pipework
需求:镜像生成了2个含有tomcat的容器,用nginx进行负载均衡.但是容器重启后ip会自动改变...所以使用pipework进行分配静态ip pipework安装 OS:centos6.5 第一步 ...
- OpenStack Heat总结之:Icehouse中通过Heat+Ceilometer实现Autoscaling
在I版本号中,Heat中加入了对于AutoScaling资源的支持.github上也提供了相应的AutoScaling的模板(https://github.com/openstack/heat-tem ...
- js 数组克隆
在JS中,对于对象类型的变量的引用是通过类似C之类的"指针"的方式来操作的,及假设多个变量引用同一个对象,则随意一个变量对对象的操作都会影响到其他的变量. 这个可能不是非常明确,以 ...
- PHP别名引用错误:“The use statement with non-compound name … has no effect”
别名概述 PHP5.3+支持命名空间:namespace,命名空间的一个重要功能是能够使用别名(alias)来引用一个符合规则的名字. 命名空间支持3中形式的别名引用(或称之为引入)方式:类(clas ...