Pay for Invoice – Blank page – 503 error in log

This topic contains 8 replies, has 3 voices, and was last updated by  jpetrosky 4 years, 6 months ago.

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  • October 17, 2019 at 6:10 am #3556

    jpetrosky
    Free User
    Post count: 4

    Pressing the ‘Pay for Invoice’ button from an invoice page results in a blank page and a 503 error in the log.

    Paypal Standard (Sandbox mode) is configured in the admin:

    For invoice url: https://portal.theassociationpartner.net/wpi_invoice/inv-1199/

    The invoice displays correctly. Pressing the ‘Pay for Invoice’ button redirects to: https://portal.theassociationpartner.net/wpi-checkout/?wpi_action=pay_for_invoice&invoice_key=79777523ea65efe8d5eef12b8b0d9318 which displays as a blank page with a 503 error. Note that this happens regardless of the Payment Gateway selected (tried PayPal & Test Payment).

    Removing the invoice_key parameter from the url after receiving the blank page results in the checkout page being displayed. The error ‘Error: You are not allowed to view this invoice’ appears above the ‘Proceed to PayPal’ button.

    The ‘Proceed to PayPal’ button redirects to PayPal correctly.

    October 17, 2019 at 5:12 pm #3557

    Paolo
    Site Admin
    Post count: 31206

    Hi,

    please provide credentials in a private reply and we will follow up.

    Thanks

    October 18, 2019 at 3:36 am #3559

    jpetrosky
    Free User
    Post count: 4
    This reply has been marked as private.
    October 18, 2019 at 5:37 am #3560

    Patrik
    Moderator
    Post count: 1971

    Hi,

    There was an issue from hosting server-side on that ticket and it can be also possible on your site. Can you please provide FTP details in a private reply so that I can enable and check the error log?

    Regards,
    Patrik

    October 18, 2019 at 6:23 pm #3565

    jpetrosky
    Free User
    Post count: 4
    This reply has been marked as private.
    October 21, 2019 at 5:30 am #3569

    Patrik
    Moderator
    Post count: 1971
    This reply has been marked as private.
    October 21, 2019 at 1:06 pm #3571

    jpetrosky
    Free User
    Post count: 4
    This reply has been marked as private.
    October 21, 2019 at 1:26 pm #3572

    Patrik
    Moderator
    Post count: 1971

    Hi,

    It looks like W3 total cache is causing an issue. When I disabled it then I don’t see the issue. It may be possible the resources used by W3 total cache are increased or maybe some other issue which exactly you can get from your hosting provider as I don’t see any logs in the WP directory so it might be on the hosting server-side. I have disabled the W3 total cache for now so you can check from your side. If you want to use any other caching plugin then you can use otherwise try to find the exact issue from the hosting provider and let us know so that we can provide you the solution for the same.

    Regards,
    Patrik

    October 21, 2019 at 7:57 pm #3573

    jpetrosky
    Free User
    Post count: 4

    Patrik,

    Disabling the W3 total cache plugin did the trick. Thank you for your quick response.

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