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我拥有域名“peterlee.com.cn”，并在我的域名控制面板中添加了一条 A 记录：

RR                  Destination IP   TTL
rs.peterlee.com.cn  10.50.10.75      1 hour

我有一个正在运行的 RoR (Ruby on Rails) 项目10.50.10.75:9051，这意味着用户可以通过以下方式访问我的 RoR 应用程序http://10.50.10.75:9051

我想让用户通过http://rs.peterlee.com.cn访问它，所以我添加了以下 VirtualHost File/Site：

<VirtualHost *:80>
    ServerName rs.peterlee.com.cn
    DocumentRoot /usr/website/myapp/current/public
    PassengerEnabled off
    ProxyPass / http://127.0.0.1:9051/
    ProxyPassReverse / http://127.0.0.1:9051/
    RackEnv production
    RailsEnv production

    <IfModule mod_rewrite.c>
        RewriteEngine On

        # Redirect all requests to the maintenance page if present
        RewriteCond %{REQUEST_URI} !\.(css|gif|jpg|png)$
        RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f
        RewriteCond %{SCRIPT_FILENAME} !maintenance.html
        RewriteRule ^.*$ /system/maintenance.html [L]
    </IfModule>

</VirtualHost>

启用站点并重新启动 Apache2 后，我尝试了http://rs.peterlee.com.cn，它给了我 500 Internal Server Error：

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Apache/2.2.22 (Ubuntu) Server at rs.peterlee.com.cn Port 80

谢谢。

彼得

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1 回答 1

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我发现以下警告/var/log/apache2/error.log：

[Thu Jul 19 10:22:20 2012] [warn] proxy: No protocol handler was valid for the URL /. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.
[Thu Jul 19 10:22:20 2012] [warn] proxy: No protocol handler was valid for the URL /favicon.ico. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.

所以我启用了以下模块：

sudo a2enmod proxy proxy_balancer proxy_http

重新启动 Apache2 后，它工作了！

不管怎么说，还是要谢谢你。

顺便说一句：我使用乘客启动服务：

passenger start -a 127.0.0.1 -p 9051 -e production -d
于 2012-07-19T16:34:32.180 回答