Symptoms
-
WordPress update or its plugin/theme installation fails with the following error:
Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server configuration. cURL error 28: Resolving timed out after 3512 millisecond
-
Trying to reach the
WordPress.org
website takes too long:# time wget WordPress.org
real 0m5.180s
user 0m0.020s
sys 0m0.021s -
The following error can be found in the
/var/log/plesk/panel.log
file:An unexpected error occurred.
Something may be wrong with WordPress.org or this server’s configuration. -
Not possible to update WordPress to latest version, showing as if it was already running on latest one.
-
When attempting to upgrade WordPress version, the following can be seen:
Warning: Unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>. (WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.) in /var/www/vhosts/example.com/httpdocs/wp-includes/update.php on line 155 Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration.
-
Some of the WordPress instances may be shown as Quarantined or Broken in the WordPressToolkit.
Cause
The configured name server in the /etc/resolv.conf
file is answering in more than 3.5 seconds.
Resolution
Resolve the issue with the nameserver or switch to another faster nameserver, e.g. to the Google:
-
Connect to the server via SSH.
-
Open the
/etc/resolv.conf
file via any text editor and modify the nameserver directive:Before:
nameserver 203.0.113.2
After:
nameserver 8.8.8.8