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Reply to topic   Topic: Custom error page apache with mod_proxy

Joined: 29 Sep 2021
Posts: 1
Location: Netherlands

PostPosted: Wed 29 Sep '21 13:35    Post subject: Custom error page apache with mod_proxy Reply with quote

I'm trying to setup a custom error page (reverse proxy is apache)

Service Unavailable

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

**Additionally, a 503 Service Unavailable error was encountered while trying to use an ErrorDocument to handle the request.**

But the error page isn't loaded if I stop my tomcat server for example (503 error)

And I receive the message above not my .HTML message

my config looks like this:

<VirtualHost *:443>
ServerAdmin XXX
ServerName XXX

# Possible values: debug, info, notice, warn, error, crit, alert, emerg.
LogLevel warn
ErrorLog XXX
CustomLog XXX
DocumentRoot /var/www/html/
ErrorDocument 503 /503.html

<Directory />
AllowOverride None
Require all granted

ProxyPreserveHost On
<Location />
AddDefaultCharset Off
Require all granted
ProxyPass ajp://XXX:XXX/ disablereuse=on

If I changed the line ErrorDocument to foo instead of /503.html I see foo so it looks like the .HTML isn't loaded by the config? Is there someone who can help me with it?
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Joined: 16 Aug 2020
Posts: 131
Location: UK

PostPosted: Mon 04 Oct '21 19:59    Post subject: Reply with quote

Sorry, I've only just spotted this post, and no one else has replied.

Believe you need to add the ProxyErrorOverride directive as detailed here - https://httpd.apache.org/docs/current/mod/mod_proxy.html#proxyerroroverride

ProxyErrorOverride On

This will catch 400-5xx errors returned from your proxied server, and use the corresponding ErrorDocument(s) you've defined.
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