Summary of Changes

The include helper path in com_menus item, com_users debuguser and com_users debuggroup is not correct and when loading the model will generate a php fatal error.

Testing Instructions

• Use latest staging
• Add this lines to isis index.php

JLoader::register('MenusModelItem', JPATH_ADMINISTRATOR . '/components/com_menus/models/item.php');
$model = JModelLegacy::getInstance('Item', 'MenusModel', array('ignore_request' => true));

JLoader::register('UsersModelDebugUser', JPATH_ADMINISTRATOR . '/components/com_users/models/debuguser.php');
$model = JModelLegacy::getInstance('DebugUser', 'UsersModel', array('ignore_request' => true));

JLoader::register('UsersModelDebuggroup', JPATH_ADMINISTRATOR . '/components/com_users/models/debuggroup.php');
$model = JModelLegacy::getInstance('Debuggroup', 'UsersModel', array('ignore_request' => true));

• Try to load any admin page. You get a Fatal error, you'll notice in the fatal error the patch where is trying to laod the helper is not correct.

Warning: require_once(/path/to/joomla-staging/administrator/components/com_xxxxxx/helpers/menus.php): failed to open stream: No such file or directory in /path/to/joomla-staging/administrator/components/com_menus/models/item.php on line 15
Fatal error: require_once(): Failed opening required '/path/to/joomla-staging/administrator/components/com_xxxxxx/helpers/menus.php' (include_path='/path/to/joomla-staging/') in /path/to/joomla-staging/administrator/components/com_menus/models/item.php on line 15

• Apply this patch
• Repeat process and confirm no fatal error now.
• Check menu itmes works fine and debuguser and debuggroup work fine too
• Do a simple code review (3 lines of code).

Notes

This problem was discovered when trying to load the menu items model in the GsoC 2016 Improved Multi-lingual Content Management