A Domain error log in Plesk contains a repeated message: Got error PHP message: Connection refused

Symptoms

• The following errors appear in the domain log file at /var/www/vhosts/system/example.com/logs/error_log:

  [proxy_fcgi:error] [pid 1634120] [client 213.0.1.2:0] AH01071: Got error 'PHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refusedPHP message: Connection refused...

• The website is WordPress instance.

Cause

Some WordPress enabled plugin works incorrectly.

Resolution

1. Log in to Plesk.

2. Disable all plugins from WordPress > example.com > Plugins by using the switch to deactivate them one by one as follows:

   

3. Re-enable the plugins again one by one while reviewing the domain error_log to confirm which one is producing the logs and leave this disabled or reach its developer for assistance if this is required.

Note: The strace command line utility might help to find the needed one.