Question: Plesk domains and various actions like updating WordPress plugins do not work under CentOS 7: cURL error 77
Answer:
Symptoms
- Domains on Plesk server display Error 500 and the following error message is output to the logs:
PHP Fatal error: Uncaught GuzzleHttp\Ring\Exception\RingException: cURL error 77- Various actions in Plesk fail, including:
- Issuing or updating Let's Encrypt certificates
- Installing or updating WordPress plugins
- Updating licenses
- Authentication via Google
- Installing new extensions from extension catalog
And one or more of the following messages are displayed:
Error 500
Error: Could not get Mozilla tls config: cURL error 77: (see https://curl.haxx.se/libcurl/c/libcurl-errors.html)
Unable to initialize NSS: -8023 (SEC_ERROR_PKCS11_DEVICE_ERROR)
Cause
Recent CentOS 7 update of NSS packages.
Resolution
1.Connect to the server via SSH.
2.Restart all the PHP services including Plesk:
#systemctl restart plesk-php* && systemctl restart sw-engine
Note: if Litespeed is installed, it is required to restart it as well:
#systemctl restart lscgid