django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: “****”

本文介绍了一种常见的PyCharm+Django+Python开发环境中遇到的问题:运行Web服务器时出现的应用名称重复错误。通过调整settings.py文件中的配置,可以轻松解决此问题。

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当用pycharm+django+python写web时,运行server后会报错

django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: “****”

意思是说你的应用有重复,我看了官方的文档然后了解了怎么回事,下面说一下解决方案

如果你用pycharm建立项目django时你填写了application那么他会自动帮你建立一个application


所以你不用在settings.py文件中在添加它也就是下面的这样


你只要将‘cmd’,去掉就可以正确的返回页面了

这里可能pycharm自动帮你添加到里面了

D:\PyCharmP\Projects\WXJ\WXJ\settings.py changed, reloading. Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last): File "D:\Python3.8.0\lib\threading.py", line 932, in _bootstrap_inner self.run() File "D:\Python3.8.0\lib\threading.py", line 870, in run self._target(*self._args, **self._kwargs) File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\core\management\commands\runserver.py", line 110, in inner_run autoreload.raise_last_exception() File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\utils\autoreload.py", line 87, in raise_last_exception raise _exception[1] File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\core\management\__init__.py", line 375, in execute autoreload.check_errors(django.setup)() File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\apps\registry.py", line 93, in populate raise ImproperlyConfigured( django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: sessions D:\PyCharmP\Projects\WXJ\WXJ\settings.py changed, reloading. Watching for file changes with StatReloader Exception in thread django-main-thread: Traceback (most recent call last): File "D:\Python3.8.0\lib\threading.py", line 932, in _bootstrap_inner self.run() File "D:\Python3.8.0\lib\threading.py", line 870, in run self._target(*self._args, **self._kwargs) File "D:\PyCharmP\Projects\WXJ\.venv\lib\site-packages\django\utils\autoreload.py", line 64, in wrapper fn(*args, **kwargs) File "D:\PyCharmP\Proj
03-25
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