[users@httpd] Apache 2.2 Adds a / before ?

[Jack van Ooststroom <Ja...@ICEsoft.com>]

Hello,

I'm trying to achieve the following scenario using Apache 2.2:

    - http://localhost/aaa/bbb?a=b must be proxied to 
http://<BalancerMember>:1234/aaa/bbb?a=b (where <BalanceMember> is 
either jack or jill)
    - http://localhost/aaa/bbb?b=c must be proxied to 
http://<BalancerMember>:1234/aaa/bbb?b=c
    - http://localhost/aaa         must be proxied to 
http://<BalancerMember>:8080/aaa
    - http://localhost/aaa/        must be proxied to 
http://<BalancerMember>:8080/aaa/
    - http://localhost/aaa/ccc     must be proxied to 
http://<BalancerMember>:8080/aaa/ccc

Assume the following httpd.conf snippet on localhost:

    <VirtualHost _default_>
        DocumentRoot /usr/local/apache2/htdocs
        ServerName jack
        ErrorLog logs/error_log
        TransferLog logs/access_log

        <IfModule mod_proxy.c>
            ProxyPass /aaa/bbb balancer://balancer1
            ProxyPass /aaa balancer://balancer2

            <Proxy balancer://balancer1>
                BalancerMember http://jack:1234/aaa/bbb
                BalancerMember http://jill:1234/aaa/bbb
            </Proxy>

            <Proxy balancer://balancer2>
                BalancerMember http://jack:8080/aaa
                BalancerMember http://jill:8080/aaa
            </Proxy>
        </IfModule>
    </VirtualHost>

When I try this I end up with the following undesired result:

    - http://localhost/aaa/bbb?a=b proxies to 
http://<BalancerMember>:1234/aaa/bbb/?a=b
    - http://localhost/aaa/bbb?b=c proxies to 
http://<BalancerMember>:1234/aaa/bbb/?b=c

Please note the added / in front of the ?

How can I fix this?

I initially used Apache 2.0 but that version seems to lack good 
load-balancing and failover features, if I'm not mistaken. There were a 
few things mentioned in the Apache2 Bible regarding load-balancing, for 
instance using a DNS server to load-balance. However, these options 
didn't seem feasible. That's why we switched to Apacha 2.2.

Just as some additional information, this was how I configured Apache 
2.0 when we didn't use load-balancing and failover:

    <IfModule mod_proxy.c>
        ProxyRequests Off

        <Proxy *>
            Order deny,allow
            Allow from all
        </Proxy>

        ProxyPass /aaa/bbb http://localhost:1234/aaa/bbb
        ProxyPassReverse /aaa/bbb http://localhost:1234/aaa/bbb
        ProxyPass /aaa http://localhost:8080/aaa
        ProxyPassReverse /aaa http://localhost:8080/aaa
    </IfModule>

This seemed to have the desired result:

    - http://localhost/aaa/bbb?a=b proxies to 
http://localhost:1234/aaa/bbb/?a=b
    - http://localhost/aaa/bbb?b=c proxies to 
http://localhost:1234/aaa/bbb/?b=c

Regards,
Jack...



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