69331 upstream sent too big header while reading response header from upstream解决方式。

本文介绍了解决Nginx因header过大导致的错误方法,通过调整fastcgi_buffer_size和fastcgi_buffers参数来优化内存使用,并针对负载均衡场景提供proxy_buffer_size等配置建议。
查看错误日志

upstream sent too big header while reading response header from upstream

你去搜这个错误,网上的解释都差不多,无外乎是cookie携带的header太多了,让你设置:

fastcgi_buffer_size 128k;
fastcgi_buffers 8 128k;

逐步尝试。其中fastcgi_buffers 8 128k 这句,fastcgi_buffers 32 32k 这样更好,内存是整块分配和释放的,减少单位k数能尽可能利用。

另外,如果你用nginx做负载均衡的话,改了上述参数是没用的,要在转发的配置上,比如以下设置:

location @to_other {

                proxy_buffer_size  128k;

                proxy_buffers   32 32k;

                proxy_busy_buffers_size 128k;

                add_header X-Static transfer;

                proxy_redirect off;

                proxy_set_header Host $host;

                proxy_set_header X-Real-IP  $remote_addr;

                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

                proxy_pass http://backend;    #请求转发

        }

加粗的三行才会起作用。

fastcgi_* 可以理解成nginx接受client请求时的响应使用的。proxy是nginx作为client转发时使用的,如果header过大,超出了默认的1k,就会引发上述的upstream sent too big header。

可以参考:

http://wiki.nginx.org/NginxHttpProxyModule

http://blog.sina.com.cn/s/blog_5dc960cd0100i4mt.html

其它搜索结果可以无视,都是大同小异的。

location ~ \.php$ {

       fastcgi_buffer_size 128k;

       fastcgi_buffers 32 32k;

       include /etc/nginx/fastcgi_params;

       fastcgi_pass   127.0.0.1:9000;

       fastcgi_index index.php;

       fastcgi_param SCRIPT_FILENAME /host/web/$fastcgi_script_name;

    }

2025/07/09 02:57:16 [error] 10681#0: *22 FastCGI sent in stderr: "PHP message: {"reqId":"rX2QQ4arW1mTELoVwB1L","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"touch(): Unable to create file /usr/local/var/www/nextcloud/config/config.php because Permission denied at /usr/local/var/www/nextcloud/lib/private/Config.php#262","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"rX2QQ4arW1mTELoVwB1L","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"fopen(/usr/local/var/www/nextcloud/config/config.php): Failed to open stream: No such file or directory at /usr/local/var/www/nextcloud/lib/private/Config.php#263","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"rX2QQ4arW1mTELoVwB1L","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"chmod(): No such file or directory at /usr/local/var/www/nextcloud/lib/private/Config.php#266","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"rX2QQ4arW1mTELoVwB1L","level":3,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"core","method":"GET","url":"/index.php","message":"Rendering themed error page failed. Falling back to un-themed error page.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","exception":{"Exception":"OC\\DB\\Exceptions\\DbalException","Message":"An exception occurred in the dr 2025/07/09 02:57:16 [error] 10681#0: *22 upstream sent too big header while reading response header from upstream, client: 127.0.0.1, server: localhost, request: "GET /index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "localhost:8080", referrer: "http://localhost:8080/" 2025/07/09 02:57:16 [error] 10681#0: *22 open() "/usr/local/Cellar/nginx/1.27.5/html/50x.html" failed (2: No such file or directory), client: 127.0.0.1, server: localhost, request: "GET /index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "localhost:8080", referrer: "http://localhost:8080/" 2025/07/09 02:57:16 [error] 10681#0: *22 FastCGI sent in stderr: "PHP message: {"reqId":"CVSo2ZXwrXzq9VDOZ61E","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"touch(): Unable to create file /usr/local/var/www/nextcloud/config/config.php because Permission denied at /usr/local/var/www/nextcloud/lib/private/Config.php#262","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"CVSo2ZXwrXzq9VDOZ61E","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"fopen(/usr/local/var/www/nextcloud/config/config.php): Failed to open stream: No such file or directory at /usr/local/var/www/nextcloud/lib/private/Config.php#263","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"CVSo2ZXwrXzq9VDOZ61E","level":2,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"PHP","method":"GET","url":"/index.php","message":"chmod(): No such file or directory at /usr/local/var/www/nextcloud/lib/private/Config.php#266","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","data":{"app":"PHP"}}PHP message: {"reqId":"CVSo2ZXwrXzq9VDOZ61E","level":3,"time":"2025-07-08T18:57:16+00:00","remoteAddr":"127.0.0.1","user":"--","app":"core","method":"GET","url":"/index.php","message":"Rendering themed error page failed. Falling back to un-themed error page.","userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36","version":"","exception":{"Exception":"OC\\DB\\Exceptions\\DbalException","Message":"An exception occurred in the dr 2025/07/09 02:57:16 [error] 10681#0: *22 upstream sent too big header while reading response header from upstream, client: 127.0.0.1, server: localhost, request: "GET /index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "localhost:8080", referrer: "http://localhost:8080/" 2025/07/09 02:57:16 [error] 10681#0: *22 open() "/usr/local/Cellar/nginx/1.27.5/html/50x.html" failed (2: No such file or directory), client: 127.0.0.1, server: localhost, request: "GET /index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "localhost:8080", referrer: "http://localhost:8080/
最新发布
07-10
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