stippi

Ok, thank you very much for keeping me in the loop! When you design the new payment process, try to think of possible points of failure and how to minimize them. IMHO, after the Paymill server has been successfully contacted, it should not be possible for anything to go wrong anymore, except perhaps for power outage or server reboot. For example, the database entries for the order should be made preliminarily, so that they already exist before contacting Paymill. And if contacting Paymill failed, there should be a roll-back. Placing the order should work like an all or nothing transaction. I don’t know if that’s even possible in the Woocommerce workflow of hooks that all sorts of plug-ins can insert themselves… but one can dream. Alternatively, if points of failure after placing the order at Paymill can not be eliminated, perhaps there is an API for revoking the order there? That should then be incorporated into a general roll-back flow.

In short: If the order technically went through, the user should never see an error, or if that is not possible, the payment needs to be cancelled if an error happens after it is placed at Paymill.

I was already using 3.7.1 when I reported seeing the error. I am also not a fan of “oh, it magically went away, let’s forget it”. The problem needs to be fully understood. We are talking about a product with which real users pay real money.

BTW, what is also very disturbing is that all my test Subscription purchases actually appeared in the Paymill backend! So this error must happen after contacting the Paymill server. IMHO, if the payment actually went through, the plugin should /never/ display any error for anything and suggest to the user that nothing indeed happened. Users will just try again and then set up multiple subscriptions before giving up.

I am facing the same problem. I have WordPress installed locally and am testing the Paymill plugin. I have XDebug installed and Eclipse and configured such that I can step through the PHP code. Anything I should look at to help debug this? I am not yet an experienced PHP developer, but more than willing to help out!

One curious bit of information: My purchases actually went through, despite this error! I can see them in the Paymill dashboard.