gunicorn | 易学教程

记一次 gunicorn 启动 flask 出问题的经历

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出错现象: gunicorn+nginx+flask 部署项目, 部署过程没问题,项目也正常启动了,但是一旦访问接口,就会报错: Traceback (most recent call last): File " /usr/local/lib/python3.6/dist-packages/gunicorn/workers/sync.py " , line 135, in handle self.handle_request(listener, req, client, addr) File " /usr/local/lib/python3.6/dist-packages/gunicorn/workers/sync.py " , line 176, in handle_request respiter = self.wsgi(environ, resp.start_response) TypeError: __call__ () takes from 1 to 2 positional arguments but 3 were given 但是我通过 runserver运行的话,是没有问题的,外网可以正常访问. 所以问题就出在gunicorn 和 flask 的 wsgi 对接上. gunicorn 启动时的方式是 gunicorn [options] file:app

nginx+upstream+supervisor+gunicorn+django集群

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补充一下日志 /usr/local/bin/gunicorn -w 4 -k gevent -b 0.0.0.0:9011 demo.wsgi:application --error-logfile /var/log/django-error.log --access-logfile /var/log/django.log 来源： oschina 链接： https://my.oschina.net/u/4335406/blog/4731828

How can i solve Application Error caused after deploying my model on Heroku using Flask?

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来源： https://stackoverflow.com/questions/64615978/how-can-i-solve-application-error-caused-after-deploying-my-model-on-heroku-usin

How can i solve Application Error caused after deploying my model on Heroku using Flask?

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来源： https://stackoverflow.com/questions/64615978/how-can-i-solve-application-error-caused-after-deploying-my-model-on-heroku-usin

How can i solve Application Error caused after deploying my model on Heroku using Flask?

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来源： https://stackoverflow.com/questions/64615978/how-can-i-solve-application-error-caused-after-deploying-my-model-on-heroku-usin

Gunicorn not starting throwing gunicorn.service: Failed with result 'exit-code'. error

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来源： https://stackoverflow.com/questions/59046137/gunicorn-not-starting-throwing-gunicorn-service-failed-with-result-exit-code

Python, Flask, Gunicorn Error: Unrecognized Arguments

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来源： https://stackoverflow.com/questions/32802303/python-flask-gunicorn-error-unrecognized-arguments

Python, Flask, Gunicorn Error: Unrecognized Arguments

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来源： https://stackoverflow.com/questions/32802303/python-flask-gunicorn-error-unrecognized-arguments

Block an IP address from accessing my Flask app on Heroku?

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来源： https://stackoverflow.com/questions/24222220/block-an-ip-address-from-accessing-my-flask-app-on-heroku

django 重写 mysql 连接库实现连接池

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django 重写 mysql 连接库实现连接池问题 django 项目使用 gunicorn + gevent 部署，并设置 CONN_MAX_AGE 会导致 mysql 数据库连接数飙升，在高并发模式可能会出现 too many connections 错误。该怎么解决这个问题呢？首先看下 django 源码，找到问题的根源。本文 django 版本为 2.2.3。问题分析首先查看连接部分源码： # django/db/backends/mysql/base.py class DatabaseWrapper(BaseDatabaseWrapper): vendor = 'mysql' ... ... ... def get_new_connection(self, conn_params): # 每次查询都会重新建立连接 return Database.connect(**conn_params) ... ... ... 再查看其基类 BaseDatabaseWrapper # django/db/backends/base/base.py class BaseDatabaseWrapper: """Represent a database connection.""" # Mapping of Field objects to their column types.