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Play! 框架：Apache mod_proxy 偶尔会出现代理错误

tag-icon • tag-icon proxy apache-http-server http-proxy reverse-proxy
Play! 框架：Apache mod_proxy 偶尔会出现代理错误

后端是一个 Play! 框架应用程序。

Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /entries/topic~showcase

Reason: Error reading from remote server

Apache/2.2.22

以下是站点配置：

<VirtualHost *:80>
  ProxyPreserveHost On
  ServerName www.xxx.com
  ServerAlias xxx.com
  ProxyPass  /excluded !
  ProxyPass /investor http://127.0.0.1:81/investor
  ProxyPass /phppgadmin http://127.0.0.1:81//phppgadmin
  ProxyPass / http://127.0.0.1:9000/ keepalive=On
  ProxyPassReverse / http://127.0.0.1:9000/
</VirtualHost>

添加后keepalive=开启，我注意到有所改善。但代理错误仍然发生！

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