I have 7 zen-cart sites running and the problem appears on all. Six are live sites and one a test site.
I will not list all the domains but
www.rocknrollshirtshop.com is one of the live sites and the test site if anyone wants to run a test is
www.rocknrollshirtshop.biz.
The problem I am encountering is the Epath payment is intermittently (somewhere around 1 out of 5 orders) not completing so I receive the payment information from epath
but the order does not complete in zen cart and the items remain in the customers shopping cart with no order, confirmation of epath payment or heads up email sent.
The problem can be duplicated (and this may be the cause) by not returning to the site when the payment is complete. Epath is slow returning the customer (approximately 25 seconds with a please wait screen) so there is a lot of time for the customer to bail out.
I have talked to Epath and they blame the cart for the problem saying they completed their part since I received the payment email.
PayPal and check are also available payment methods and PayPal never shows this problem.
The sites are on a dedicated Ubuntu 12.04 server on the peer1 network and I have had the server checked it does not appear to be dropping connection.
The sites are all close to the same configuration. From the standard install I add
Google Merchant Center Mod 1.13.0
Ultimate SEO 2.212
Configure RCS has just been added but problem was there before
Sitemap XML 3.2.12
Easy Populate 4
USPS 7/28/13 (on some sites)
UPS (on some sites)
I have not found any errors in the log folder that would match when the problem occurs, and I have not seen anything in the systems logs.
Has anyone seen anything similar?
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