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Duplicate PayPal pro charge
Submitted by jdblank on Tue, 07/01/2008 - 22:40
Today we had a situation where a user's credit card was charged twice on the same order. Both charges were for the same amount and were within 2 seconds of each other and show up on the one single order. We are using Paypal Website Payments Pro. Any help or advice would be appreciated.
Perhaps they hit "Submit order" twice? If so, you can use my Checkout Enhancements contrib to help prevent this from happening.  I applied the modules you suggested but we just had another case of this happening again. There is only one order created but there are two payments. One says Credit Card and the other says PayPal as the method. They are with in 6 seconds of each other. Any ideas would be much appreciated. Here is the log of the order: 07/27/2008 770 * Credit card payment for $187.00 entered by 770. 07/27/2008 770 * Checkout message sent to [email redacted]. 07/27/2008 770 * Order status changed from in_checkout to completed. 07/27/2008 770 * Order status changed from completed to completed. 07/27/2008 - * PayPal payment for $187.00 entered by -. 07/27/2008 - * Order status changed from completed to completed. 07/27/2008 - * Order status changed from completed to completed. Did they actually try using both payment methods? (Like perhaps their connection got interrupted and they attempted to stop it, and then re-submit?) They claim not. And given the time diff of only 6 seconds it would seem hard to do that. I have this issue too. The order is processed twice so it seems, but only one order is created, and one mail is sent to the admin+customer. In my case there is only one second between logs: 08/07/2008 So resubmitting by the user seems impossible to me. We thought we had the same problem, but it was peculiar to our programming. Our fulfillment was transmitted using web services. Their reply included multiple nodes with the same order number (e.g. messages about the order). These multiple references were looped through, creating a duplicate order (the messages came in pairs). Probably not your problem, but it showed that it was not an issue with ubercart but with the way we processed the orders.
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Joined: 12/12/2007