Re: Apache, Jboss and mod_jk

André Warnier <aw@xxxxxxxxxx> · Wed, 17 Sep 2008 14:01:14 +0200

Well then, it looks like none of these instructions are being read by 

Apache when it starts. If only part of them were being read, then Apache 

would write error messages to its error log, and probably refuse to start.

Are you sure that the files that you *think* are the configuration files 

for Apache, really are ?

I am asking that because if I understand correctly, you used an Apache 

"packaged" for Fedora, but the mod_jk part was done "by hand" following 

separate instructions, so maybe the files you are modifying are not the 

ones your Apache is really using.

How do you start/restart Apache ?

Massimiliano Giraldo wrote:

Hello André

I think that mod_jk is not loaded in Apache!
I have no message in the log referred to the module.

Following the guide of JBoss about the configuration of mod_jk, at the end
of httpd.conf I added this line:
Include conf/mod-jk.conf

and then I created in the same folder the file "mod-jk.conf" where I loaded
the module with the line:
LoadModule jk_module modules/mod_jk.so
where "modules" is the folder in Apache (/usr/apache2/modules) and then, in
the file, there are the other options about mod_jk.log and something else.

Max

awarnier wrote:

Davide Bianchi wrote:

Massimiliano Giraldo wrote:

Then I tried to configure the web server with mod_jk. I downloaded the
binary version of mod_jk and I followed the guide that I found on
http://www.jboss.org/file-access/default/members/jbossas/freezone/docs/Clustering_Guide/beta500/html_single/index.html#clustering-http-modjk

The only thing that I modified on configuration was the names of nodes
in
workers.properties (I wrote the ip address of each node).

First, make sure that the mod_jk module is really being loaded in 

Apache.  When it is, you should normally see it in the first message 

that Apache write to its "error" log when it starts, as follows :

[Wed Sep 17 03:58:10 2008] [notice] Apache/2.2.3 (Debian) DAV/2 

SVN/1.4.2 mod_jk/1.2.18 PHP/4.4.4-8+etch4 mod_ssl/2.2.3 OpenSSL/0.9.8c 

mod_perl/2.0.2 Perl/v5.8.8 configured -- resuming normal operations

see the "mod_jk" part ?

Now, I don't know Fedora and where it puts things, but in order to load 

a module in Apache, some Apache configuration file must have a line like

LoadModule jk_module /usr/lib/apache2/modules/mod_jk.so

do you see that anywhere ?

André

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