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From "Jan van der Merwe" <>
Subject Re: [users@httpd] Apache mods not working after upgrade...
Date Sat, 19 May 2007 08:18:30 GMT
Hi Sander;

Thanks for the advice! You mentioned that you don't like the way RedHat 
handles dependancies in their upgrades. Do you have a linux distro in mind 
which is a little more stable in the regard?

To solve my problems, I've been successful with just going through each 
package. As for the mod_jk2 issue - I need to wait for the programmers to 
decide which way they want to go now :D


>Hi Jan,
>Jan van der Merwe wrote:
> > I upgraded our Web Server from Fedora Core 2 to Fedora Core 6. This
> > meant an upgrade for Apache from 2.0.54 - 2.2.3  After the upgrade
> > Apache wouldn't start because of library problems, eg:
> >
> > Starting httpd: httpd: Syntax error on line 209 of
> > /etc/httpd/conf/httpd.conf: Syntax error on line 5 of
> > /etc/httpd/conf.d/jk2.conf: Cannot load /etc/httpd/modules/
> > into server: /etc/httpd/modules/ undefined symbol:
> > apr_pool_get_parent
>Sounds like a botched upgrade. In this case it looks like is
>linked against a different version of APR than you ended up with.
>Mod_jk2 is abandoned, and mod_jk is being replaced with mod_proxy_ajp in
>the httpd core. Perhaps it wasn't upgraded properly because it's no
>longer needed?
> > There were also problems with mod_php, mod_ssl... In certain
> > circumstances I could start mods by simple making soft links with ln to
> > previous library names - this of course is a terrible solution :D
>No.  You are right, that is a terrible solution.
> > So, my question is: What is the quickest most painless way to fix this
> > problem? mod_ssl is fairly important, is there a way to simply install
> > the mod again with out having to remove HTTPd first?
>Can't really speak to Red Hat's packaging policies and the (lack of)
>dependency follow-through in the upgrade procedure.  Your best bet would
>probably be to list all the RPM on which httpd and your other modules
>depend, and make sure they were upgraded properly, and their
>dependencies, etc.
>Core 2 to Core 6 sounds like an enormous leap.  Personally I tend to be
>suspicious of even a one version upgrade, and start with a clean install
>  instead.  You might want to save yourself the pain involved with fixing
>your broken OS and install from scratch. You can of course save stuff
>like /etc/*most*, most of your httpd config (but look at the upgrade
>instructions), site content etc. Just tar that up and move back onto the
>new system judiciously.

><< smime.p7s >>

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