[Koha-devel] [RFC] Using Log4perl to extend and improve logging and debugging

[Frederic Demians]

Thanks Andrew. I've tried out your patch. As a proof of concept, it
works for me! I was pleasantly surprised by how easy it has been
to test your patch thanks to git...

The question is: how your logging mechanism will play with current Koha
logging systems: warning in code and C4/Log.pm? I'd suggest:

  * user log: keep C4/Log.pm for logging Koha users activities
  * system log: Log4perl for debugging and support

My testing notes:

log4perl.conf configuration file
 
  It should rather be placed in a configuration directory than in Koha
  install root directory.
 
Installation process

  Koha installation process will have to take care of a default logging
  schema, installing :
 
  * log4perl.conf in the appropriate directory, with other conf files
    (obviously)
  * various log files in the log directory which depend on installation
    type: dev, standard (with correct right: 0666)
    
Repetitions

  Log messages seem to be repeated in several log files using your
  log4perl.conf file. For example, doing a search in OPAC
  create 3 log messages:
 
    - 2 in koha-opac.log
    - 1 in koha.log

--
Frédéric