jUpgrade:Overview of jUpgrade and how it works

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JUpgrade Page 1 - jUpgrade logo.jpg

jUpgrade is a migration tool written for Joomla! 1.5, designed to assist administrators in moving the contents of their site into a new Joomla! 2.5 installation so they can "upgrade" their current site and enjoy all the benefits of the new Joomla features (such as nested categories and an expanded access control level system).


At the core it is a simple Joomla 1.5 component that will download a version of Joomla 2.5, decompress it and install it. After that, it should migrate all of the data from old Joomla 1.5 to the new Joomla 2.5 installation. jUpgrade uses Mootools for AJAX connections in order to make the migration independently.


jUpgrade will primarily migrate data for the core Joomla! components that are shared between 1.5 and 2.5, including:

JUpgrade Page 1 - Core content migrated.gif


jUpgrade also comes with a framework to extend transferring of content to specific third party extensions. More information supporting further components is available in the "Third party extension" section (coming soon), however the following components are natively supported:


The minimum requirements to run jUpgrade include:


JUpgrade Page 1 - Matias Aguirre author pic.jpg

jUpgrade is being maintained by its author, Matias Aguirre, who started the project in late 2010. It was in response to one of the biggest challenges facing Joomla! 1.6 at the time, which was the lack of a clearly defined migration path to get from Joomla 1.5 to 1.6. Since there were several significant architectural differences between Joomla 1.5 and 1.6 (which eventually evolved into the 2.5 we have today), Matias recognized the need users would have for a simple and effective solution. More of his personal notes are included in the interview he had with Joomla Community Magazine.

Matias is also the author of mtwMigrator, the popular component that helped administrator migrate their Joomla! 1.0 data to Joomla! 1.5 sites. Like its successor, mtwMigrator was able to migrate users, sections, categories, articles, menus and modules. And like its successor, it supported the migration of data for third party extensions, such as Community Builder, Docman, Fireboard and JomComment.


While the process of migrating your Joomla! 1.5 site to 2.5 is designed to be as smooth as possible, there are situations where further clarification or assistance will be required to deal with certain issues that may arise. In addition to the contents of this online documentation manual, further support can be found within the jUpgrade forums on the redCOMPONENT boards.

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