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From "Dalibor Horinek (" <>
Subject [users@httpd] ProxyErrorOverride and weird cache-like behaviour.
Date Wed, 23 Mar 2011 20:22:03 GMT
Hi everybody,
I've been experiencing weird behaviour of Apache, when I use reverse 
proxy and ProxyErrorOverride
If it's on then apache somehow caches results from the back-end server 
and sends same output to clients even it should be different.

The problem is not on the back-end server, that works ok. And If I turn 
ProxyErrorOverride Off, then it works fine too.

Version of Apache2.2 I use is 2.2.16-6 from Debian (squeeze).

I have configuration as follows:

ErrorDocument 500 /errordocs/error.html
ErrorDocument 503 /errordocs/error.html
ErrorDocument 404 /errordocs/404.html

ProxyErrorOverride On

ProxyPass styles !
ProxyPass js !
ProxyPass images !
ProxyPass static !
ProxyPass /errordocs !
ProxyPassMatch (jpg|gif|png|css|js|ico|pdf)$ !

ProxyPass /
ProxyPassReverse /

FileETag INode MTime Size

ExpiresActive on
ExpiresDefault "access 1 second"

ProxyPass / retry=1
ProxyPassReverse / retry=1

What might be an issue here?

Thank you.

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