通过将AJP代理与Apache结合使用时，不显示“自定义错误"页面

问题描述

我正在尝试在Apache上设置自定义403和404错误页面.

I am trying to setup custom 403 and 404 error pages on Apache.

Server config is as follows:
Server version: Apache/2.4.29 (Ubuntu)
Server built:   2019-04-03T13:22:37
Ubuntu 18.04.2 LTS

我将Apache用于AJP反向代理，如下所示:

I use Apache for AJP reverse proxy, as below:

    ProxyVia On
    ProxyRequests Off
    ProxyPreserveHost On
    ProxyPass /app ajp://localhost:8009/share
    ProxyPassReverse /app ajp://localhost:8009/share

我的ErrorDocument代码如下:

My ErrorDocument code is as below:

    ErrorDocument 404 /cah-404.html
    ErrorDocument 403 /cah-403.html

现在，如果我通过浏览器转到上述应用，例如" https://server.xyz/app"，我会收到类似以下的消息:

Now if I go via browser to the above app, like "https://server.xyz/app", I get a message like the below:

Forbidden
You don't have permission to access /app/ on this server.
Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.

Apache/2.4.29 (Ubuntu) Server at server.xyz Port 443

我的自定义错误页面位于/var/www/html这些页面上的权限是444

My custom error pages are at /var/www/htmlPermission on those pages is 444

任何想法为何会发生此错误?我正在尝试从未经授权的ISP访问该页面.因此，禁止显示是很好的-但它应该显示自定义的禁止页面.

Any ideas why this error is happening?I am trying to access the page from an ISP that is not authorised. So it is fine that Forbidden is showing - but it should show the custom forbidden page.

推荐答案

我已使用以下方法解决了此问题: https://serverfault.com/questions/266924/当代理服务器关闭时，apache-reverse-proxy-error-page

I have resolved this using:https://serverfault.com/questions/266924/apache-reverse-proxy-error-page-when-proxied-server-is-down

答案的关键部分是您应该使用URL指向您的ErrorDocument，否则，如果您使用文件系统引用，则在尝试查找它时会得到另外的503."

The key part of the answer is "You should use a URL to point to your ErrorDocument otherwise if you use a filesystem reference you will get an additional 503 whilst trying to find it."

所以现在，我的errordocument指令看起来像:

So now, my errordocument directives look like:

ErrorDocument 404 http://server.xyz/cah-404.html
ErrorDocument 403 http://server.xyz/cah-403.html

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