On Plesk for Linux server, curl command in chrooted shell or in scheduled task fails: curl: (77) error setting certificate verify locations

Symptoms

• After upgrading Plesk a scheduled task of the type Run a command with a cURL request created in Subscriptions > example.com > Scheduled Tasks fails with the error:

  PLESK_ERROR: Task "curl -m 15 https://www.example.com/maintenance/cron.php" completed with error in 0 seconds, output:
  % Total % Received % Xferd Average Speed Time Time Time Current
  Dload Upload Total Spent Left Speed
  0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
  0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
  curl: (77) error setting certificate verify locations:
  CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs

• If the option Domains > example.com > Web Hosting Access > Access to the server over SSH for the subscription's system user is set to /bin/bash (chrooted), executing a curl command in the chrooted shell fails with the same error:

  MYSQL_LIN: $ curl https://google.com
  curl: (77) error setting certificate verify locations:
  CAfile: /etc/ssl/certs/ca-certificates.crt
  CApath: /etc/ssl/certs

Cause

The CA certificates are not added into the chrooted environment.

Resolution