2012-11-05 by Alessandro Pasotti filed under Joomla. Recently I had an error message while migrating and old Joomla! 1.5 site to the new Joomla! 2.5, jupgrade failed with “Migrating undefined” error. After digging in the code I found a solution: You have to edit two files: jupgrade/installation/models/configuration.php jupgrade/installation/models/database.php and insert the following line near the top of the script: require_once JPATH_ROOT.'/jupgrade/libraries/cms/model/legacy.php'; When done (after the failed upgrade), you can retry the migration checking the following options in Jupgrade configuration:ex
Original article: https://www.itopen.it/fixing-jupgrade-migrating-undefined-error-when-upgrading-joomla/
Install it in a Joomla 2.5 or Joomla 3.x website and retrive data from old 1.0, 1.5 and 2.5 websites. Is better using database method.
https://docs.joomla.org/Portal:Upgrading_Versions
The documentation below is a funnel starting with Why Migrate. Simply follow the buttons at the bottom of each page that are applicable to you. The Self Assessment will help you determine if doing the migration is within your skill set. Please don't skip the Planning pages as they include important information for your migration.
The documentation below is a funnel starting with Why Migrate. Simply follow the buttons at the bottom of each page that are applicable to you. The Self Assessment will help you determine if doing the migration is within your skill set. Please don't skip the Planning pages as they include important information for your migration.
- Planning Migration - Joomla 1.5 to 3
- Joomla 1.5 to 3.x Step by Step Migration
- Migrating a Template from Joomla 1.5 to 3.x
- Planning for Mini-Migration - Joomla 2.5 to 3.x
- Joomla 2.5 to 3.x Step by Step Migration
- Joomla 2.5 to 3.x Common Migration Errors