[rt-users] Re-Logging in / "Attempt to free unreferencedscalar"]

Tue Jul 13 06:40:31 EDT 2004

In CPAN shell you can use force command.
 > force test DBI
...
if OK then
 > force install DBI

In archives there is threads about such problems.
As variant you can rebuild perl with same config, but without old paths 
in INC.
use CPAN 'autobundle' command to get current module list snapshot.

Lothar Fuhlrott wrote:
> The question may be dumb, but how do I find out about the old paths? And
> what would I have to do to move them to new ones?
> I used CPAN to install the modules after upgrading to Perl 5.8.3, and the
> CPAN-snapshot tells me they are all there.
> 
> 
>>Date: Tue, 13 Jul 2004 13:50:23 +0400
>>From: "Ruslan U. Zakirov" <cubic at acronis.ru>
>>User-Agent: Mozilla/5.0 (X11; U; Linux i686; ru-RU; rv:1.6) Gecko/20040331
>>X-Accept-Language: ru, en
>>To: Lothar Fuhlrott <dv at proasyl.de>
>>CC: ktm at is.rice.edu,     > Subject: Re: Fw: Fw: [rt-users] Re-Logging in /
> 
> "Attempt to free unreferencedscalar"
> 
>>In-Reply-To: <017401c468bd$042d45c0$091ba8c0 at freiburg>
>>X-Virus-Scanned: by amavisd-milter (http://amavis.org/)
>>
>>Do you use modules(DBI, DBD...) from old perl paths?
>>
>>Lothar Fuhlrott wrote:
>>
>>>I did what you told me and installed Apache 1.3.31 with mod_perl 1.29.
> 
> There
> 
>>>were no compilation problems. But nothing has changed, the error
> 
> messages
> 
>>>are the same as before. Obviously there's something wrong with my Perl
>>>configuration, but I'm at a loss at finding out what
>>>Here another message in rt.log when I've logged out and in again at the
> 
> web
> 
>>>interface without shutting my browser down and then try to enter a menu:
>>>"[warning]: Attempt to free unreferenced scalar: SV 0x968d240 at
>>>/usr/lib/perl5/site_perl/5.8.0/Apache/Session.pm line 616."
>>>Any idea?
>>>Thanks
>>>Lothar
>>>
>>>----- Original Message ----- 
>>>From: "Lothar Fuhlrott" <dv at proasyl.de>
>>>To: <cubic at acronis.ru>
>>>Cc: <rt-users at lists.bestpractical.com>
>>>Sent: Tuesday, July 13, 2004 8:45 AM
>>>Subject: Fw: Fw: [rt-users] Re-Logging in / "Attempt to free
>>>unreferencedscalar"
>>>
>>>
>>>
>>>
>>>>The output of perl -V seems okay to me:
>>>>
>>>>Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS
> 
> USE_LARGE_FILES
> 
>>>>PERL_IMPLICIT_CONTEXT
>>>> Built under linux
>>>> Compiled at Mar 23 2004 20:56:34
>>>> @INC:
>>>>   /usr/lib/perl5/5.8.3/i386-linux-thread-multi
>>>>   /usr/lib/perl5/5.8.3
>>>>   /usr/lib/perl5/site_perl/5.8.3/i386-linux-thread-multi
>>>>   /usr/lib/perl5/site_perl/5.8.2/i386-linux-thread-multi
>>>>   /usr/lib/perl5/site_perl/5.8.1/i386-linux-thread-multi
>>>>   /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
>>>>   /usr/lib/perl5/site_perl/5.8.3
>>>>   /usr/lib/perl5/site_perl/5.8.2
>>>>   /usr/lib/perl5/site_perl/5.8.1
>>>>   /usr/lib/perl5/site_perl/5.8.0
>>>>   /usr/lib/perl5/site_perl
>>>>   /usr/lib/perl5/vendor_perl/5.8.3/i386-linux-thread-multi
>>>>   /usr/lib/perl5/vendor_perl/5.8.2/i386-linux-thread-multi
>>>>   /usr/lib/perl5/vendor_perl/5.8.1/i386-linux-thread-multi
>>>>   /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi
>>>>   /usr/lib/perl5/vendor_perl/5.8.3
>>>>   /usr/lib/perl5/vendor_perl/5.8.2
>>>>   /usr/lib/perl5/vendor_perl/5.8.1
>>>>   /usr/lib/perl5/vendor_perl/5.8.0
>>>>   /usr/lib/perl5/vendor_perl
>>>>
>>>>I created a 5.8.3-symlink to /usr/bin/perl to avoid any confusion
> 
> between
> 
>>>>the different versions.
>>>>I did not use the Red Hat-mod_perl.rpm, but built the mod_perl-1.99_13
>>>>tarball.
>>>>
>>>>
>>>>
>>>>>Date: Mon, 12 Jul 2004 20:00:57 +0400
>>>>>From: "Ruslan U. Zakirov" <cubic at acronis.ru>
>>>>>User-Agent: Mozilla/5.0 (X11; U; Linux i686; ru-RU; rv:1.6)
>>>
>>>Gecko/20040331
>>>
>>>
>>>>>X-Accept-Language: ru, en
>>>>>To: Lothar Fuhlrott <dv at proasyl.de>
>>>>>CC: rt-users at lists.bestpractical.com
>>>>>Subject: Re: Fw: [rt-users] Re-Logging in / "Attempt to free
>>>
>>>unreferenced
>>>
>>>
>>>>>scalar"
>>>>>In-Reply-To: <055801c4681d$ed1d57c0$091ba8c0 at freiburg>
>>>>>X-Virus-Scanned: by amavisd-milter (http://amavis.org/)
>>>>>
>>>>>Lothar Fuhlrott wrote:
>>>>>
>>>>>
>>>>>>Well, I believed in the RTWiki lines on Compiling Perl: "mod_perl2 can
>>>>
>>>>be
>>>>
>>>>
>>>>>>compiled only as DSO and it's working fine".
>>>>>>Lothar
>>>>>
>>>>>I'm sorry that you were confused with this sentence. It's all about DSO
>>>>>vs static, but not about MP2 stability.
>>>>>
>>>>>IMHO errors comes from perl mainly.
>>>>>RH9 does have perl5.8.0. Did you rebuild mod_perl after new perl
>>>>>install? What version of MP2 do you have? If it's RH9 RPMs then throw
> 
> it
> 
>>>>>away, in our days you shouldn't use anything except 1.99_14 or higher.
>>>>>
>>>>>perl -V?
>>>>>
>>>>>
>>>>>
>>>>>>Date: Mon, 12 Jul 2004 08:24:24 -0500
>>>>>>
>>>>>>
>>>>>>
>>>>>>>From: Kenneth Marshall <ktm at is.rice.edu>
>>>>>>>To: Lothar Fuhlrott <dv at proasyl.de>
>>>>>>>Subject: Re: [rt-users] Re-Logging in / "Attempt to free unreferenced
>>>>>>
>>>>>>scalar"
>>>>>>
>>>>>>
>>>>>>
>>>>>>>In-Reply-To: <04f401c46810$a72f31f0$091ba8c0 at freiburg>
>>>>>>>User-Agent: Mutt/1.4.2i
>>>>>>>X-Virus-Scanned: by amavisd-milter (http://amavis.org/)
>>>>>>>X-Virus-Scanned: by amavis-20030314-p2 at is.rice.edu
>>>>>>>
>>>>>>>Not to be anti-progress, but isnt' mod_perl for Apache 2.x still
>>>>>>>in beta. I would give it a try with Apache 1.3.31 and mod_perl 1.29.
>>>>>>>
>>>>>>>--Ken
>>>>>>>
>>>>>>>On Mon, Jul 12, 2004 at 03:03:40PM +0200, Lothar Fuhlrott wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>Hi out there,
>>>>>>>>
>>>>>>>>having installed RT 3.2.0 with Red Hat 9 Shrike, Apache
>>>>>>
>>>>>>2.0.50/mod_perl2,
>>>>>>
>>>>>>
>>>>>>
>>>>>>>>Sendmail 8.12.8, Perl 5.8.3 I am still running into problems,
>>>>>>>>
>>>>>>>>(1) Everytime a web browser "touches" the site, tail -f
>>>>>>
>>>>>>/var/log/messages
>>>>>>
>>>>>>
>>>>>>
>>>>>>>>will produce a whole bunch of messages like this:
>>>>>>>><snip>
>>>>>>>>Jul 12 13:49:05 salvador RT: Attempt to free unreferenced scalar: SV
>>>>>>>>0x96e7c84 at /usr/local/rt/share/html/Elements/Quicksearch line 24.
>>>>>>>>Jul 12 13:49:05 salvador RT: Attempt to free unreferenced scalar: SV
>>>>>>>>0x9637474 at /usr/local/rt/share/html/autohandler line 24.
>>>>>>>>Jul 12 13:49:07 salvador RT: Attempt to free unreferenced scalar: SV
>>>>>>>>0x96e9f20 at /usr/local/rt/share/html/autohandler line 24.
>>>>>>>>Jul 12 13:49:08 salvador RT: Attempt to free unreferenced scalar: SV
>>>>>>>>0x971bea4 at /usr/local/rt/share/html/Elements/SelectMatch line 34.
>>>>>>>><snap>
>>>>>>>>I don't know if this does any harm, but I'd like to know what it
>>>
>>>means
>>>
>>>
>>>>>>>>anyway...
>>>>>>>>
>>>>>>>>(2) After I have logged out and then in again (same user or not, no
>>>>>>>>difference), RT is kicking me out and showing the login screen every
>>>>>>
>>>>>>time I
>>>>>>
>>>>>>
>>>>>>
>>>>>>>>try to call upon a menu. Only closing down the browser on the client
>>>>>>
>>>>>>machine
>>>>>>
>>>>>>
>>>>>>
>>>>>>>>and restarting it will solve the problem.
>>>>>>>>
>>>>>>>>What's going wrong? Sorry if it's something simple, but I'm an
> 
> expert
> 
>>>>>>>>neither in Perl nor Apache.
>>>>>>>>Thanks to anyone trying to help.
>>>>>
>>>>>----- End forwarded message -----
>>>>>
>>>>
>>>>_______________________________________________
>>>>http://lists.bestpractical.com/cgi-bin/mailman/listinfo/rt-users
>>>>
>>>>Be sure to check out the RT wiki at http://wiki.bestpractical.com
>>>>
>>>
>>>
>>>_______________________________________________
>>>http://lists.bestpractical.com/cgi-bin/mailman/listinfo/rt-users
>>>
>>>Be sure to check out the RT wiki at http://wiki.bestpractical.com
>>
>>----- End forwarded message -----
>>
> 
> 