J3.x

Fatal error Class JClassLoader/en

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Joomla! 
3.4.2

In Joomla 3.4.2 we change the way how our composer libraries get autoloaded.

Errors reported[edit]

If you try to move a website from Linux based Host to a Windows based host or if you have a CentOS Hoster you can run into the following error:

Fatal error: Class 'JClassLoader' not found in JROOT\libraries\cms.php on line 38

If you don't have a CentOS Hoster or move your installation von Linux to Windows you actually don't have any known Problems!

  • On Windows (not case sensitive) that file gets replaced (all fine)
  • On Linux (case sensitive) both files are still there and as the correct is in the Code we only use the working one. (all fine)
  • On CentOS you maybe get on Updating a error that you have a name conflict.
  • If you copy the files from the Linux Host to the Windows one maybe the wrong file gets removed.

See: https://github.com/joomla/joomla-cms/issues/7296 and https://github.com/joomla/joomla-cms/issues/7307

Versions affected[edit]

General Information

This pertains only to Joomla! version(s): 3.4.2

What is the cause[edit]

External and via composter loaded libraries like phpmailer will not be autoloaded.

How to fix[edit]

Apply the patch https://github.com/joomla/joomla-cms/pull/7307.diff. This will be included in Joomla 3.4.3 that comes soon.