WP-Cron events and cURL error 28

  • amosnier

    (@amosnier)


    3 years ago

    Since the last WordPress release 5.9.2, I got the critical error from the Health Site inspection :
    API REST request failed due to error
    Error : cURL error 28: Connection timed out after 10000 milliseconds (http_request_failed)

    The WP-Cron was not working any more and all event requests were blocked. In order to unlock the events, I had to resort to the alternate job scheduling method by adding
    define(‘ALTERNATE_WP_CRON’,true); to the wp-config.php file.
    However the cURL error 28 remained.
    I followed then the usual suggestions (for example : https://ertano.com/curl-error-28-connection-timed-out/):
    1. I checked that there was neither firewall nor security plugin.
    2. I desactivated all plugins, but the error was still there
    3. I checked that the HTTPS/SSL was properly working
    4. I had a look at the software installed at my server host : PHP (7.4.25) cURL (7.64) OpenSSL (1.1.1)
    But it seems that the cURL library version (7.64) is outdated, since the last version is 7.74.
    Have you an idea ? What is the cURL version generally used ?

Viewing 2 replies - 1 through 2 (of 2 total)
  • Vijay Hardaha

    (@vijayhardaha)

    Did you check your memory limit?

    Thread Starter amosnier

    (@amosnier)

    The PHP memory limit of the server host is 512 MB (read from the Site Health tool), which I guess would be high enough.

Viewing 2 replies - 1 through 2 (of 2 total)
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