Web Servers on Unix and Linux - can't load mod proxy balancer => undefined symbol: proxy_hook_post_request

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Author can't load mod proxy balancer => undefined symbol: proxy_hook_post_request
daan.poron@gmail.com

2007-10-21, 7:17 pm

Hi,

I'm using a VPS server, with ubuntu Dapper drake.
Ubuntu only supports apache 2.0 with apt-get so i needed to compile
apache 2.2. i took all the nessecary steps, and apache 2.2 is working.
But now i need to activate mod_proxy_balancer so i made a
proxy_balancer.load in /etc/apache2/mods-available and did a2enmod
proxy_balancer, all of this worked. But then when i wanted to restart
the server using /etc/init.d/apache2 restart it failed, so i tried to
start it, when i did this i got the following error message:

* Starting apache 2.0 web
server... Syntax error on
line 2 of /etc/apache2/mods-enabled/proxy_balancer.load:
Cannot load /usr/local/apache2/modules/mod_proxy_balancer.so into
server: /usr/local/apache2/modules/mod_proxy_balancer.so: undefined
symbol: proxy_hook_post_request

[fail]

this is what's in my proxy_balancer.load:

# Depends: proxy cache
LoadModule proxy_balancer_module /usr/local/apache2/modules/
mod_proxy_balancer.so

any idea how to fix this?

I can stop and start the apache2 server using:
/usr/local/apache2/bin/apachectl start/stop

greets
DP

daan.poron@gmail.com

2007-10-22, 1:21 pm

On Oct 22, 1:56 am, Nick Kew <n...@grimnir.webthing.com> wrote:
> On Sun, 21 Oct 2007 14:33:07 -0700
>
> daan.po...@gmail.com wrote:
>
> Upgrade! If you're using proxy, and especially proxy_balancer,
> there are major improvements in 2.2.
>
>
> Ugh. They[1] really do believe in complicating things for you.
>
>
> You need to load mod_proxy first.
>
> [1] seehttp://www.regdeveloper.co.uk/2006/11/04/apache_packages_support_vacuum/
>
> --
> Nick Kew
>
> Application Development with Apache - the Apache Modules Bookhttp://www.apachetutor.org/


i allready installed, apache 2,2 but for some reason the init.d/
apache2 trys to boot the 2.0 version, is there any way to change this.
Default the 2.0 version is installed on ubuntu dapper, but i removed
this en compiled the 2.2 version.

grts
DP

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