Apache/mod_wsgi部署Django时corsheaders模块缺失的500错误求助

本地用runserver运行Django项目完全正常，但部署到Apache（v2.4.41）+mod_wsgi时触发500内部服务器错误，错误提示ModuleNotFoundError: No module named 'corsheaders'。注释掉settings.py里corsheaders相关的应用和中间件后，站点能正常运行，但依赖该模块的API功能失效。已经尝试过多种pip卸载重装django-cors-headers的操作，都没解决问题，推测是WSGI无法识别这个模块。

相关版本信息 #

• django-cors-headers==3.13.0（安装路径：/home/geekfest/.local/lib/python3.8/site-packages）
• django-cors-middleware==1.5.0
• python==3.8.10
• Django==4.1.2
• Ubuntu==20.04.1

Python路径：['', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/geekfest/.local/lib/python3.8/site-packages', '/usr/local/lib/python3.8/dist-packages', '/usr/lib/python3/dist-packages']

settings.py相关配置 #

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'corsheaders',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.humanize',
    'stats',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'django.middleware.common.CommonMiddleware',
    'stats.middleware.EventData',
]

ROOT_URLCONF = 'geekstats.urls'

CORS_ORIGIN_ALLOW_ALL = True

Apache错误日志（error.log） #

[Fri Oct 07 11:01:49.957188 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279] mod_wsgi (pid=11860): Failed to exec Python script file '/home/geekfest/geekstats/csgo-geekstats/gee>
[Fri Oct 07 11:01:49.957302 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279] mod_wsgi (pid=11860): Exception occurred processing WSGI script '/home/geekfest/geekstats/csgo-geeks>
[Fri Oct 07 11:01:49.960516 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279] Traceback (most recent call last):
[Fri Oct 07 11:01:49.960613 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/home/geekfest/geekstats/csgo-geekstats/geekstats/geekstats/wsgi.py", line 20, in <module>
[Fri Oct 07 11:01:49.960625 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     application = get_wsgi_application()
[Fri Oct 07 11:01:49.960633 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/usr/lib/python3/dist-packages/django/core/wsgi.py", line 12, in get_wsgi_application
[Fri Oct 07 11:01:49.960637 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     django.setup(set_prefix=False)
[Fri Oct 07 11:01:49.960645 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
[Fri Oct 07 11:01:49.960651 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     apps.populate(settings.INSTALLED_APPS)
[Fri Oct 07 11:01:49.960674 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 91, in populate
[Fri Oct 07 11:01:49.960680 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     app_config = AppConfig.create(entry)
[Fri Oct 07 11:01:49.960690 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/usr/lib/python3/dist-packages/django/apps/config.py", line 90, in create
[Fri Oct 07 11:01:49.960695 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     module = import_module(entry)
[Fri Oct 07 11:01:49.960721 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
[Fri Oct 07 11:01:49.960726 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]     return _bootstrap._gcd_import(name[level:], package, level)
[Fri Oct 07 11:01:49.960735 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
[Fri Oct 07 11:01:49.960742 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "<frozen importlib._bootstrap>", line 991, in _find_and_load
[Fri Oct 07 11:01:49.960748 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279]   File "<frozen importlib._bootstrap>", line 973, in _find_and_load_unlocked
[Fri Oct 07 11:01:49.960770 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61279] ModuleNotFoundError: No module named 'corsheaders'
[Fri Oct 07 11:01:50.241210 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280] mod_wsgi (pid=11860): Failed to exec Python script file '/home/geekfest/geekstats/csgo-geekstats/gee>
[Fri Oct 07 11:01:50.241287 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280] mod_wsgi (pid=11860): Exception occurred processing WSGI script '/home/geekfest/geekstats/csgo-geeks>
[Fri Oct 07 11:01:50.241442 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280] Traceback (most recent call last):
[Fri Oct 07 11:01:50.241482 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]   File "/home/geekfest/geekstats/csgo-geekstats/geekstats/geekstats/wsgi.py", line 20, in <module>
[Fri Oct 07 11:01:50.241486 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]     application = get_wsgi_application()
[Fri Oct 07 11:01:50.241494 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]   File "/usr/lib/python3/dist-packages/django/core/wsgi.py", line 12, in get_wsgi_application
[Fri Oct 07 11:01:50.241497 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]     django.setup(set_prefix=False)
[Fri Oct 07 11:01:50.241504 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]   File "/usr/lib/python3/dist-packages/django/__init__.py", line 24, in setup
[Fri Oct 07 11:01:50.241506 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]     apps.populate(settings.INSTALLED_APPS)
[Fri Oct 07 11:01:50.241513 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]   File "/usr/lib/python3/dist-packages/django/apps/registry.py", line 83, in populate
[Fri Oct 07 11:01:50.241516 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280]     raise RuntimeError("populate() isn't reentrant")
[Fri Oct 07 11:01:50.241532 2022] [wsgi:error] [pid 11860] [remote 108.41.247.85:61280] RuntimeError: populate() isn't reentrant

wsgi.py配置 #

import os,sys

sys.path.append('/home/geekfest/geekstats/.../geekstats')
sys.path.append('/usr/lib/python3/dist-packages')
sys.path.append('/home/geekfest/.local/lib/python3.8/site-packages')

from django.core.wsgi import get_wsgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'geekstats.settings')

application = get_wsgi_application()

Apache虚拟主机配置 #

<VirtualHost *:80>
    ServerName xxx.com
    ServerAlias stats.xxx.com
    DocumentRoot /home/geekfest/.../geekstats/stats
    ErrorLog ${APACHE_LOG_DIR}/gferror.log
    CustomLog ${APACHE_LOG_DIR}/gfaccess.log combined
    WSGIDaemonProcess xxx.com python-path=/usr/lib/python3.8:/home/geekfest/geekstats/...geekstats/geekstats:/usr/lib/python3/dist-packages:/home/geekfest/.local/lib/python3.8/site-packages
    WSGIProcessGroup xxx.com

# Tell Apache what it should call when the “xxx” url alias is called
    WSGIScriptAlias / /home/geekfest/.../geekstats/geekstats/wsgi.py

# Tell Apache where to find the “static” subdir for the django site
     Alias /static /home/geekfest/.../stats/static

# Give Apache the location and permissions to where the wsgi.py file resides in>
    <Directory /home/geekfest/.../geekstats/geekstats>
        <Files wsgi.py>
            Require all granted
            Options +Indexes +ExecCGI
        </Files>
    </Directory>

# Give Apache the location and permissions to the static directory (images) for>
    <Directory /home/geekfest/.../stats/static>
        Order deny,allow
        Allow from all
        Require all granted
    </Directory>

</VirtualHost>

内容的提问来源于stack exchange，提问作者Mailboxhead