我无法通过 gunicorn 启动 flask 。当我输入“gunicorn run:app”时，服务器给我错误。但是我检查没有使用127.0.0.1:8000的服务。我可以使用“python run.py”来运行这个应用程序。
root@ip-172-31-18-230:/var/www/vamk.help/vamk# gunicorn run:app
[2016-05-11 02:13:09 +0000] [20288] [INFO] Starting gunicorn 19.4.5
[2016-05-11 02:13:09 +0000] [20288] [INFO] Listening at: http://127.0.0.1:8000 ( 20288)
[2016-05-11 02:13:09 +0000] [20288] [INFO] Using worker: sync
[2016-05-11 02:13:09 +0000] [20293] [INFO] Booting worker with pid: 20293
[2016-05-11 02:13:10 +0000] [20293] [ERROR] Exception in worker process:
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/gunicorn/arbiter.py", line 515, i n spawn_worker
worker.init_process()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/base.py", line 1 22, in init_process
self.load_wsgi()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/base.py", line 1 30, in load_wsgi
self.wsgi = self.app.wsgi()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/base.py", line 67, i n wsgi
self.callable = self.load()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/wsgiapp.py", line 65 , in load
return self.load_wsgiapp()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/wsgiapp.py", line 52 , in load_wsgiapp
return util.import_app(self.app_uri)
File "/usr/local/lib/python2.7/dist-packages/gunicorn/util.py", line 357, in i mport_app
__import__(module)
File "/var/www/vamk.help/vamk/run.py", line 3, in <module>
app.run(threaded=True, debug=app.config['DEBUG'], port=app.config['PORT'])
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 772, in run
run_simple(host, port, self, **options)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/serving.py", line 677, i n run_simple
s.bind((hostname, port))
File "/usr/lib/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 98] Address already in use
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/gunicorn/arbiter.py", line 515, i n spawn_worker
worker.init_process()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/base.py", line 1 22, in init_process
self.load_wsgi()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/base.py", line 1 30, in load_wsgi
self.wsgi = self.app.wsgi()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/base.py", line 67, i n wsgi
self.callable = self.load()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/wsgiapp.py", line 65 , in load
return self.load_wsgiapp()
File "/usr/local/lib/python2.7/dist-packages/gunicorn/app/wsgiapp.py", line 52 , in load_wsgiapp
return util.import_app(self.app_uri)
File "/usr/local/lib/python2.7/dist-packages/gunicorn/util.py", line 357, in i mport_app
__import__(module)
File "/var/www/vamk.help/vamk/run.py", line 3, in <module>
app.run(threaded=True, debug=app.config['DEBUG'], port=app.config['PORT'])
File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 772, in run
run_simple(host, port, self, **options)
File "/usr/local/lib/python2.7/dist-packages/werkzeug/serving.py", line 677, i n run_simple
s.bind((hostname, port))
File "/usr/lib/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
error: [Errno 98] Address already in use
运行.py
from app import app
app.run(debug=app.config['DEBUG'], port=app.config['PORT'])
请您参考如下方法:
要将 flask 与 gunicorn 一起使用，您不必运行应用程序 (app.run())，因为它是一个仅用于测试的单一阻塞进程。
而是将启动变量 app 的 flask app 模块(如果它是单个文件，则传递文件名)作为参数传递给 gunicorn，而不是外部 run.py。
这才是gunicorn配合flask使用的正确方法。
gunicorn -b HOST:PORT <MODULE_NAME>:app
用正确的模块或文件名替换 MODULE_NAME。使用-b标志设置IP地址和端口号。
