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Editorial Team
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Asked: 2026-06-03T20:00:50+00:00

My hoster will stop supporting PHP 5.2 in a few weeks, which is why

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My hoster will stop supporting PHP 5.2 in a few weeks, which is why I have to switch to PHP 5.3. I’m using Joomla 2.5 to manage the content of a site. In the backend of the hoster, I switched to the new PHP version with the click of a button, but that made the site crash with the error below.

Apparently, my code is not ready for PHP 5.3. How can I update the joomla code to the new PHP? Or should joomla handle the new PHP version without a problem and something I added actually causes the error? The only code that is from me is the template that loads a custom design.

I’m kind of stuck here and don’t really see the connection between joomla, PHP and also how the hoster backend new that I was using an old PHP. Any suggestions whould be appreciated….

The error. Note: this is copied from another site, I loaded a backup to fix the error on my site, but apart from the paths it was exactly the same:

jos-Error: Application Instantiation Error

JFactory :: getApplication() @ /home/parolevo/public_html/tiptopart/index.php:28
JApplication :: getInstance() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:102
JSite -> __construct() @ /home/parolevo/public_html/tiptopart/libraries/joomla/application/application.php:208
JApplication -> __construct() @ /home/parolevo/public_html/tiptopart/includes/application.php:48
JApplication -> _createSession() @ /home/parolevo/public_html/tiptopart/libraries/joomla/application/application.php:173
JFactory :: getSession() @ /home/parolevo/public_html/tiptopart/libraries/joomla/application/application.php:1046
JFactory :: createSession() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:152
JSession :: getInstance() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:661
JSession -> __construct() @ /home/parolevo/public_html/tiptopart/libraries/joomla/session/session.php:155
JSession -> _start() @ /home/parolevo/public_html/tiptopart/libraries/joomla/session/session.php:118
session_start() @ /home/parolevo/public_html/tiptopart/libraries/joomla/session/session.php:492
JSessionStorageDatabase -> read()
JFactory :: getDbo() @ /home/parolevo/public_html/tiptopart/libraries/joomla/session/storage/database.php:67
JFactory :: createDbo() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:308
JError :: raiseError() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:723
JError :: raise() @ /home/parolevo/public_html/tiptopart/libraries/joomla/error/error.php:251
JError :: throwError() @ /home/parolevo/public_html/tiptopart/libraries/joomla/error/error.php:176
call_user_func_array() @ /home/parolevo/public_html/tiptopart/libraries/joomla/error/error.php:214
JError :: handleMessage()
JFactory :: getApplication() @ /home/parolevo/public_html/tiptopart/libraries/joomla/error/error.php:705
JError :: raiseError() @ /home/parolevo/public_html/tiptopart/libraries/joomla/factory.php:99
JError :: raise() @ /home/parolevo/public_html/tiptopart/libraries/joomla/error/error.php:251
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1 Answer

  1. Editorial Team

    As you can see from the technical requirements page for Joomla! version 2.5 recommends PHP 5.3.

    I can also confirm that all of our (+ client) 2.5 sites run on PHP 5.3 without problem so, the only conclusion is that it’s something you’ve added to the base install or changed in the core Joomla! code.

    Looking at the error log isn’t very helpful but I can tell you that it’s appears to be having a problem connecting to the database. I would check your configuration.php file for possible issues – confirm that the database & connection type settings are correct.

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