Fix WordPress upgrade error: No Update Required -Your WordPress database is already up-to-date!
I recently upgraded my blog to WordPress 3.x and everything seemed to go smoothly with the process. But after upgraded when I go to the WordPress admin, I still get the upgrade page, and message show like:
No Upgrade Required
Your WordPress database is already up-to-date!
When I clicking the “Continue” button it sent into a loop.
After much troubleshooting, the solution for fix the “No Update Required –Your WordPress database is already up-to-date!” looping. I have re-upload all files & folders except the wp-content folder from a fresh download of WordPress.
I just came across this after an update – traced it to the memcache object cache plugin. The update does not clear its own cached objects.
I have numerous live sites on my server, so restarting memcached is not an option, as users would be forced to log in again.
I just changed the cache keys so that new objects would be cached under a different name – the old ones will expire or disappear at next kernel update when I reboot the servers.
Alternatively, just rename wp-content/object-cache.php temporarily to continue admin.
I have a suggestion for the author of wp-content/object-cache.php, DB_NAME needs adding to the key, otherwise the caches of users using “wp_” prefix on different databases will clash.
I had the same problem. I rename the object-cache.php and the site works fine. Later i discover that the W3 Total Cache plugin was the problem. I delet it and my site still work fine.
I have just upgraded to version 3.4 and also received the “Your WordPress database is already up-to-date” loop!! My problem was with the W3 Total Cache plugin. I fixed doing the following…
Go to cpanel, file manager, plugins, rename W3 total cache plugin by putting an extra letter “e” or similar at the end of the string, save, try to access yourdomain.com/wp-admin, you will receive an error to re-install or restart plugin, return to cpanel, rename W3 total cache plugin removing the extra letter “e”, save. You should now be able to access your wp-admin back end!
Deleting the W3 Total Cache plugin should also fix!!