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Can't load Perl module Apache::Ocsinventory::Plugins [closed]

Hi,

I tried to install OcsInventory on my Ubuntu Server according to this manual:
http://wiki.ocsinventory-ng.org/index.php?title=Documentation:Server

After enabling the Apache configurations (ocsinventory-reports.conf and z-ocsinventory-server.conf), Apache doesn't start anymore. It reports the following error:

[Mon Apr 10 13:46:46.422442 2017] [perl:error] [pid 19115] Can't load Perl module Apache::Ocsinventory::Plugins for server myserver:0, exiting...

The setup script installed this module together with all others to /usr/local/share/perl/5.22.1/Apache. It's readable for all. I checked with instmodsh and cpan -l that it's known to Perl.
I already tried recompiling as suggested here, without success:
http://ask.ocsinventory-ng.org/2893/apache-cant-work-after-ocsinventory-ng-installed
I also tried to copy the modules over to all perl-related directories and also to /etc/ocsinventory-server/plugins and /etc/ocsinventory-server/perl. Still no luck. I think that Apache/mod_perl is indeed able to locate the module, but somehow there's an incompatibility or something that prevents loading.

I'd be very thankful to suggestions how to find the reason. I already thought of recompiling mod_perl with trace support enabled, but wanted to ask for better ideas first.

My system:
Ubuntu 16.04.2 LTS
Kernel version 4.4.0-042stab120.20 x86_64
Apache/2.4.18 (Ubuntu)
Ocs Inventory 2.3.1
Perl 5.22.1

Thanks a lot,
Alex

closed with the note: Problem solved
in OCS Inventory NG server for Unix by (200 points)
closed by

3 Answers

0 votes
Did you install any plugin at all ?

Yes : check if these files exist /etc/ocsinventory-server/perl/Apache/Ocsinventory/Plugins/Pluginname/Map.pm
                                           /etc/ocsinventory-server/plugins/Pluginname.conf
Be sure to chmod 755 and chown www-data:www-data these files.

No : I can only answer that I tried to install OCS on Ubuntu and ended up just using Debian 8 Jessie or CentOS7, both work fine with OCS 2.3.1
Use this guide to install, its unfinished but more up to date :
https://github.com/OCSInventory-NG/Wiki/blob/master/english/02.Basic-documentation/Setting-up-a-OCS-Inventory-Server.md
by (640 points)
0 votes
Hi Jeremy,

thanks for your reply. I'm not sure about those plugins. As already mentioned, I didn't do anything except for running setup.sh. /etc/ocsinventory-server/plugins was empty after that. When I realized that Apache didn't start, I tried to copy stuff from OCSNG_UNIX_SERVER-2.3.1/Apache there (readable for all), but it didn't help.

I also tried to remove the following lines from z-ocsinventory-server.conf:

# Ocs plugins
PerlModule Apache::Ocsinventory::Plugins::Apache
PerlModule Apache::Ocsinventory::Plugins

But then it's simply failing with the next module:

[Wed Apr 12 13:34:32.781169 2017] [perl:error] [pid 27364] Can't load Perl module Apache::Ocsinventory for server myserver:0, exiting...

So it's not about plugins. It seems that all ocs-provided modules refuse to load.

However, I will thoroughly study the manual that you provided, maybe I happen to discover something.

Alex
by (200 points)
0 votes
I've found the problem: Instead of enabling an Apache conf with a2enmod, I usually prefer to include them into the <VirtualHost> definition to limit their effect to a specific site/vhost. I did the same with "z-ocsinventory-server.conf". For some reason that caused the described error, although "PerlModule" and "PerlSetEnv" directives seem to work inside a <VirtualHost> tag when being inserted there directly. However, using the conf the intended way (a2enmod) solved the problem.

Alex
by (200 points)
 
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