[users@httpd] error 502 with mod_proxy

[anne <an...@lea-linux.org>]

Hello

I'm using two httpd servers Apache 1.3.27.
first one is only acting as a reverse proxy. I've got some virtulahosts. Look 
like that :

<VirtualHost *>
        ServerName www.yyy.com
        ProxyPass / http://xxx.yyy.loc/
        ProxyPassReverse / http://xxx.yyy.loc/
</VirtualHost>

This one is to be acessed from Internet.

The other httpd server is on local network and run a groupware application.

Each time I try to use webmail with attached file whose size is more than 3 
Mo, I get this message :

Proxy Error
 The proxy server received an invalid response from an upstream server.
 The proxy server could not handle the request POST /index.php.
 Reason: Document contains no data
error 502

there's nearly nothing in los even with debug log level.

Any idea ?

-- 
Anne
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http://lea-linux.org

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