Latest update crashes site (undefined function w3_is_dbcluster())

  • We are using PHP 5.6 FastCGI, and get a 500 + blank screen for every page. This is in our error log:

    [Tue Sep 27 11:22:19 2016] [warn] [client a.b.c.d] mod_fcgid: stderr: PHP Fatal error: Call to undefined function w3_is_dbcluster() in /var/www/vhosts/…/httpdocs/wp-content/db.php on line 30

    Commenting out that function function call has fixed it for now in db.php line 30:

    if ((!$is_installing && $config->get_boolean(‘dbcache.enabled’)) /*|| w3_is_dbcluster()*/) {

    Obviously a more permanent fix is needed.

    • This topic was modified 8 years, 5 months ago by Jason Judge.
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  • I want to give Jason Judge +1. Same incident is happening with me as well.

    Screenshot is here : https://i.imgur.com/idi1smA.png

    Actually, Getting two different errors, don’t know why. In the incognito mode, another error displaying.

    If your site has a needed DB update pending, then you may need to deactivate this plugin temporarily, do the update, then reactivate it afterwards. I was seeing the same issue and error, and deactivating the plugin helped me get around the issue, then reactivating it once completed worked fine.

    If you can’t log into your dashboard, then rename the /wp-content/plugins/w3-total-cache/ folder using FTP or web File Manager tool, that will do the same as deactivating it.

Viewing 3 replies - 1 through 3 (of 3 total)
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