报502错upstream prematurely closed connection while reading response header from upstream问题解决 发表评论 3043 views 全栈能手-琪睿科技python全栈,专注python技术,python教程,python资源 › 开发技术 › 问题解决 › 报502错upstream prematurely closed connection while reading response header from upstream问题解决 Change nginx.conf to include,感觉比较有用,可是没有根除问题 sendfile on; client_max_body_size 20M; keepalive_timeout 0;