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I've made a change to App.php in /app/local/Mage/Core/Model to test something, but now when removing the file the, the site gives a fatal error! - I've cleard the cache files but didn't help?

Warning: include(/var/www/site.com/public_html/app/code/local/Mage/Core/Model/App.php): failed to open stream: No such file or directory in /var/www/site.com/public_html/lib/Varien/Autoload.php on line 93
Warning: include(): Failed opening 'Mage/Core/Model/App.php' for inclusion (include_path='/var/www/site.com/public_html/app/code/local:/var/www/site.com/public_html/app/code/community:/var/www/site.com/public_html/app/code/core:/var/www/site.com/public_html/lib:.:/usr/share/php:/usr/share/pear') in /var/www/site.com/public_html/lib/Varien/Autoload.php on line 93
Fatal error: Class 'Mage_Core_Model_App' not found in /var/www/site.com/public_html/app/Mage.php on line 633
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  • You can change the core files for testing purposes. Especially if the core is under version control you can just revert the files. But be careful, don't commit them :) Aug 26, 2013 at 11:07

2 Answers 2

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Here are a couple of things to try:

  • Manually delete the var/cache folder contents.
  • Check you don't have compilation enabled
  • Check that you don't have APC enabled
  • Check the App.php still exists under app/code/core/Mage/Core/Model and that you didn't accidentally changed the content.

From your error log:

Warning: include(): Failed opening 'Mage/Core/Model/App.php' for inclusion (include_path='/var/www/site.com/public_html/app/code/local:/var/www/site.com/public_html/app/code/community:/var/www/site.com/public_html/app/code/core:/var/www/site.com/public_html/lib:.:/usr/share/php:/usr/share/pear') in /var/www/site.com/public_html/lib/Varien/Autoload.php on line 93

Magento is telling you that it can't find the App Model in any of the code pools, most likely something happend to the original App.php file

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  • I like your answer better than mine. It covers more error sources. :) +1.
    – Marius
    Aug 26, 2013 at 10:38
  • The original file is still in it's correct position, just checked :) I've tried to remove the var/cache folder and no luck. Compiler is disabled and the includes folder is deleted. I don't think the server is using APC, can I check this? Aug 26, 2013 at 10:52
  • I tried changing the local/core file, and hench forth came another error, but this time it told me some old fpc extension was enabled, so I messed around some files and found an fpc xml file in the /etc/ folder, renamed it to .sample, and then it worked! - for now :) Aug 26, 2013 at 11:02
  • Interesting, glad to hear is working now Aug 26, 2013 at 11:25
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Make sure the original file App.php exists in app/code/core/Mage/Core/Model. Also if you have compilation enabled disabled it.

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