将 Flask 应用程序导入 Elastic Beanstalk 错误：无法打开文件“mod_wsgi”：[Errno 2] 没有这样的文件或目录

Posted 2023-03-04

【中文标题】将 Flask 应用程序导入 Elastic Beanstalk 错误：无法打开文件“mod_wsgi”：[Errno 2] 没有这样的文件或目录

【英文标题】：Importing Flask application to Elastic Beanstalk error: can't open file 'mod_wsgi': [Errno 2] No such file or directory

【发布时间】：2018-02-16 23:18:23

【问题描述】：

我正在尝试将我的 Flask 应用程序放在 Elastic Beanstalk（Amazon Web Services，EC2）上，但在上传文件后我收到 500 错误。关于可能是什么问题的任何想法？错误日志：

/opt/python/run/venv/bin/python3: can't open file 'mod_wsgi': [Errno 2] No such file or directory
[Fri Sep 08 03:23:05.754341 2017] [:error] [pid 13619] [remote 128.12.244.5:31824] mod_wsgi (pid=13619): Target WSGI script '/opt/python/current/app/application.py' cannot be loaded as Python module.
[Fri Sep 08 03:23:05.754577 2017] [:error] [pid 13619] [remote 128.12.244.5:31824] mod_wsgi (pid=13619): SystemExit exception raised by WSGI script '/opt/python/current/app/application.py' ignored.
[Fri Sep 08 03:23:05.754729 2017] [:error] [pid 13619] [remote 128.12.244.5:31824] Traceback (most recent call last):
[Fri Sep 08 03:23:05.754992 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]   File "/opt/python/current/app/application.py", line 11, in <module>
[Fri Sep 08 03:23:05.755007 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]     application.run(debug=True)
[Fri Sep 08 03:23:05.755116 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]   File "/opt/python/run/venv/lib/python3.4/site-packages/flask/app.py", line 772, in run
[Fri Sep 08 03:23:05.755131 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]     run_simple(host, port, self, **options)
[Fri Sep 08 03:23:05.755242 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]   File "/opt/python/run/venv/lib/python3.4/site-packages/werkzeug/serving.py", line 737, in run_simple
[Fri Sep 08 03:23:05.755257 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]     reloader_type)
[Fri Sep 08 03:23:05.755344 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]   File "/opt/python/run/venv/lib/python3.4/site-packages/werkzeug/_reloader.py", line 265, in run_with_reloader
[Fri Sep 08 03:23:05.755358 2017] [:error] [pid 13619] [remote 128.12.244.5:31824]     sys.exit(reloader.restart_with_reloader())
[Fri Sep 08 03:23:05.755429 2017] [:error] [pid 13619] [remote 128.12.244.5:31824] SystemExit: 2

我的文件结构如下： file hierarchy

我的 WSGI 路径是 config

【参考方案1】：

原来我需要将application.run() 包装在if __name__ == '__main__': 块中。这样可以确保默认情况下不加载本地 WSGI 服务器。

来源：http://flask.pocoo.org/docs/0.11/deploying/mod_wsgi/