We don't use ssl connection, and connect through 80 port using apache. In 6th version everything worked well, but after upgrading it to 7th following error sometimes appear.
XmlHttpRequestError Proxy Error
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>502 Proxy Error</title>
</head><body>
<h1>Proxy Error</h1>
<p>The proxy server received an invalid
response from an upstream server.<br />
The proxy server could not handle the request <em><a href="/web/dataset/call_kw">POST /web/dataset/call_kw</a></em>.<p>
Reason: <strong>Error reading from remote server</strong></p></p>
<hr>
<address>Apache/2.2.22 (Ubuntu) Server at mydomain.com Port 80</address>
</body></html>
apache config:
<Virtualhost *:80>
# DocumentRoot "/home/monoserp/openerp-server/openerp"
ServerName mydomain.com
ServerAdmin aldar@gmail.com
# DirectoryIndex index.html index.php
ProxyRequests On
ProxyPreserveHost On
ProxyVia full
ProxyTimeout 18000
<Directory />
Options FollowSymLinks
AllowOverride None
Order allow,deny
allow from all
</Directory>
<proxy>
Order deny,allow
Allow from all
</proxy>
SetEnv proxy-nokeepalive 1
ProxyPass / 127.0.0.1:8069/ connectiontimeout=500 timeout=18000
ProxyPassReverse / 127.0.0.1:8069/
</Virtualhost>