Support » Plugin: WordPress Simple PayPal Shopping Cart » loopback test faliure

  • Resolved Kim White


    When we have this plugin on it causes this error with my server tools:

    Active wp-cron.php loopback test failure: cURL error 28: Operation timed out after 4001 milliseconds with 0 bytes received.

    Any ideas what’s happening here.

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  • Plugin Contributor mbrsolution


    Hi, please read the following explanation about this error. The developer also provides solutions.

    Kind regards



    I’m concerned that the explanation say’s the issue is not tied to any particular plugin. Also that it directs readers to two outdated plugins to for testing.
    Removing Simple PayPal Shopping Cart resolves the error.

    It should also be noted that Health Check is very specific when calling out Simple PayPal Shopping Cart:

    Testing wordpress-simple-paypal-shopping-cart: The loopback request to your site failed, this may prevent WP_Cron from working, along with theme and plugin editors.
    Error encountered: (0) cURL error 28: Operation timed out after 10001 milliseconds with 0 bytes received

    All other plugins report: “The loopback request to your site completed successfully.”

    Still, Simple PayPal Shopping Cart is otherwise a GREAT plugin, beautifully executed.
    I have no intention of removing it unless I have to and continue to look for a solution.

    Plugin Contributor mbrsolution


    Hi @cbcbcb, can you open up a new support ticket. This thread is marked as resolved. You can put a reference to this thread if you like.

    Thank you

Viewing 3 replies - 1 through 3 (of 3 total)
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