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Trevor Tessier
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June 9, 2016 at 4:05 pm
Hello we have some users experiencing items disappearing from their cart when they go to check out. We have witnessed this ourselves only a few times in testing and can not always reproduce the errors.
After reading the forums we have tested issues with caching and have confirmed caching does not exist anywhere in the EE funnel. We also saw issues with SSL. And we have that implemented across the site. SSL is site wide and functioning as it should. The issues has occurred with different browsers and seems to happen in testing around 10% of the time.
Are there other potential reasons this could occur? It only started after we begun to use EE4 (after years of EE3).
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Tony
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June 13, 2016 at 5:41 am
Hi Trevor,
What happens when the cart items are dropped, is there an error shown? If so do you know what the error is?
When this happens do all of the cart items disappear or some?
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Trevor Tessier
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June 13, 2016 at 8:54 am
Hey all cart items go. The only message is:
“Nothing in your Event Queue. You need to select at least one event before you can proceed with the registration process”.
It’s the same effect as if cookies are off on a computer but the machines we were able to reproduce the error on have cookies enabled.
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Tony
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June 14, 2016 at 2:32 am
One possible cause is the sessions may be getting cleared on the server.
EE user session ID to store your cart items, if the session is cleared and your given another then your event selection no long ties with your session ID.
Do you have any garbage collection running that clears sessions or the tmp directory on your server?
Is there a test event I can run some registrations on?
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Trevor Tessier
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June 14, 2016 at 3:10 pm
There is no active session clearing, or garbage collection process running that is clearing the /tmp directory.
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Trevor Tessier
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June 14, 2016 at 3:11 pm
There are a few events on this page that can be tested.
https://www.fortedmontonpark.ca/hotel-selkirk/johnsons-cafe/high-tea/
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Josh
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June 16, 2016 at 12:39 pm
If you FTP into your /wp-content/ folder, is there an object-cache.php file there?
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Trevor Tessier
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June 16, 2016 at 12:46 pm
There isn’t. We have completely turned off caching across the site just in case. So far today things seem to be okay.
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Josh
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June 17, 2016 at 9:56 am
That could be a case where if there was redis or some type of object caching on the server, its garbage collection was dumping the transients that Event Espresso 4 uses to cache session data that should be persisted across requests.
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