Note: this article describes issue observed on RHEL-based systems.
Traffic usage statistics in Plesk are lower than expected;
Domain access logs are empty or contain incorrect records:
# cat /var/www/vhosts/system/*/logs/access_ssl_log
# cat /var/www/vhosts/system/*/logs/access_log
# less /var/www/vhosts/example.com/logs/access_log
Login to the server over SSH.
Make sure that there are no custom web server configuration templates which may affect Apache configuration structure in the
Repair Apache configuration files using the following command:
# plesk sbin httpdmng –reconfigure-server