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[EP-tech] Lift_embargos: Can't call method "current_repository" on an undefined value

From: Robin Sylvestre via Eprints-tech <eprints-tech AT ecs.soton.ac.uk>
Date: Tue, 19 Nov 2019 13:41:49 -0500 (EST)



Hello fellow Eprinters,



We’ve been running Eprints 3.3.13 and a modified “lift_embargos” script
for quite some time without any issue. But we noticed lately that the
script has stopped working. It seems that it is now unable to commit any
changes. Running in debug mode, I can see that the script fails after
calling the “$doc->commit(1)” line:



Lifting expired embargo on eprint #2957, document #41378 (2019-11-19)



main::CODE(0x999baa0)(lift_embargos:149):

149:            if( !$dryrun )

150:            {

main::CODE(0x999baa0)(lift_embargos:151):

151:                    $doc->set_value( "security", 
"public" );

main::CODE(0x999baa0)(lift_embargos:152):

152:                    $doc->set_value( "date_embargo", undef );

main::CODE(0x999baa0)(lift_embargos:154):

154:                    $doc->commit( 1 ); # pass force through to parent
eprint



Use of uninitialized value in string ne at (eval 65)[(eval
55)[/usr/share/eprints/bin/../perl_lib/EPrints/Config.pm:272]:19] line 48.

at (eval 65)[(eval
55)[/usr/share/eprints/bin/../perl_lib/EPrints/Config.pm:272]:19] line 48.

        EPrints::Config::Ecole::__ANON__[(eval 65)[(eval
55)[/usr/share/eprints/bin/../perl_lib/EPrints/Config.pm:272]:19]:68]('EPr
ints::DataObj::Document=HASH(0x9a2f8f0)') called at
/usr/share/eprints/bin/../perl_lib/EPrints/Repository.pm line 1726

        eval {...} called at
/usr/share/eprints/bin/../perl_lib/EPrints/Repository.pm line 1726

        EPrints::Repository::call('EPrints::Repository=HASH(0x4654aa0)',
'set_document_automatic_fields',
'EPrints::DataObj::Document=HASH(0x9a2f8f0)') called at
/usr/share/eprints/bin/../perl_lib/EPrints/DataObj.pm line 463


EPrints::DataObj::update_triggers('EPrints::DataObj::Document=HASH(0x9a2f8
f0)') called at
/usr/share/eprints/bin/../perl_lib/EPrints/DataObj/Document.pm line 1217


EPrints::DataObj::Document::commit('EPrints::DataObj::Document=HASH(0x9a2f
8f0)', 1) called at lift_embargos line 154


main::__ANON__[lift_embargos:184]('EPrints::Repository=HASH(0x4654aa0)',
'EPrints::DataSet=HASH(0x57200e8)',
'EPrints::DataObj::Document=HASH(0x9a2f8f0)', undef) called at
/usr/share/eprints/bin/../perl_lib/EPrints/List.pm line 664

        EPrints::List::map('EPrints::List=HASH(0x2ff0af8)',
'CODE(0x999baa0)') called at lift_embargos line 184

Can't call method "current_repository" on an undefined value at
/usr/share/eprints/bin/../perl_lib/EPrints/BackCompatibility.pm line 443.



Looking at the code, I can see that the session information is passed to
the other functions, but it doesn’t seem to be working anymore as the
session is undefined when calling the method “current_repository” on line
443 of BackCompatibility.pm:



return $EPrints::HANDLE->current_repository;



The only thing that changed in the last few weeks has been a server
upgrade (not sure what was the previous version but we are now running on
CentOS 7 with Perl 5.16.3 and Apache 2.4.6). Using the workflow to commit
changes still work without any issue.



Has anyone encountered this error before? Could this be related to Perl or
Apache’s configuration?



Thank you for your input on this issue!



Robin Sylvestre

Technicien des systèmes informatisés

Bibliothèque Louise-Lalonde-Lamarre

Polytechnique Montréal

514-340-4711 poste 5973




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