Hi,
I encountered a following problem  :
I'm using Fedora core 8 with perl 5.8.8.32 and at the first login just after the install
the index.pl crash displaying "Internal Server error". The error log of httpd indicates
the following message :
"Attempt to free unreferenced scalar: SV
0xbcd788dc, Perl interpreter: 0xbc365e98 at
/opt/otrs//Kernel/System/Config.pm line 1325."
Searching on the net, I encountered the description of the same crash here after :
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This happened with OTRS 2.2.3 and 2.2.4, usign Fedora Core 7 and Core 8. The
problem occurred after upgrading perl packages (as i said, this happens with
perl 5.8.8-25 (at least)) with Fedora Core 7, then i upgraded to Fedora Core
8 (i was thinking that could be a problem related with the OS), but OTRS
crashed with that OS too (Fedora 8, of course, has new perl packages by
default). Then i changed to CentOS 5 (which uses older perl versions) and
everything runned fine. After this, i made some tests in other machine with
Fedora Core 7 with a fresh installation of OTRS::ITSM 1.0.4, and everything
was fine until perl upgrade was made. Then i realized that the problem was
related with the new perl package. Actually, searching over the internet, i
found this https://bugzilla.altlinux.org/show_bug.cgi?id=13366 (it's greek,
but you can see that it reports the same crash than me, less than a week
ago, when the perl packages was released). I already reported this bug to
the otrs bugzilla (right now otrs domain seems to be down, but i'll send you
the bug id).
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Best regards
Denis