[Koha] Branch library list empty

[Mason James]

hi David,
the system has a version of libjson-validator-perl, thats too new for koha

it's probably manually been built/installed, via the cpan2deb tool?

try the following to fix the problem...

$ sudo apt update; sudo apt upgrade libjson-validator-perl


and confirm with...

$ apt-cache policy libjson-validator-perl
libjson-validator-perl:
   Installed: 5.99+really3.14-koha1
   Candidate: 5.99+really3.14-koha1
   Version table:
  *** 5.99+really3.14-koha1 500
         500 http://debian.koha-community.org/koha 20.11/main amd64 Packages


On 15/12/21 5:23 am, David Liddle wrote:
> Thank you for the informative tip, Manos. For other readers, the summary is that the problem may be caused  by the installation of an unacceptable version of a particular Perl module, JSON::Validator. What I find on our own server is the following:
>
> # sudo cpan -D JSON::Validator
> JSON::Validator
> -------------------------------------------------------------------------
>          (no description)
>          J/JH/JHTHORSEN/JSON-Validator-5.04.tar.gz
>          /usr/share/perl5/JSON/Validator.pm
>          Installed: 5.02
>          CPAN:      5.04  Not up to date
>          Jan Henning Thorsen (JHTHORSEN)
>          jhthorsen at cpan.org
>
> #  apt-cache policy libjson-validator-perl
> libjson-validator-perl:
>    Installed: 5.02-1
>    Candidate: 5.02-1
>    Version table:
>   *** 5.02-1 100
>          100 /var/lib/dpkg/status
>       4.99.1+really3.14-koha3 500
>          500 http://debian.koha-community.org/koha oldoldstable/main amd64 Packages
>       3.06+dfsg-1 500
>          500 http://mirrors.digitalocean.com/debian buster/main amd64 Packages
>
> Note the version contained in the Koha repository. If the version of this module is indeed the problem, I have to admit that I'm not sure how to go about forcing the installation of the correct one—Manos' solution in the GUI's package manager won't work in this server environment. It's a production instance, so I have to tread lightly. Again, my thanks go out to all readers and contributors!
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