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"Error has occured. No Attendee was received"

Posted: February 28, 2013 at 7:36 am


Aladin Alaily

February 28, 2013 at 7:36 am

Hi there, some people (not all) are saying they are getting this message. Have you see this message before.

Here’s my system summary:
Event Espresso version 3.1.30.7P
WordPress version WP 3.5.1
Installed plugins

Event Espresso – Multi Event Registration by Seth Shoultes version 1.0.4,
Event Espresso by Event Espresso version 3.1.30.7P
Settings
Home URL https://www.glendon.yorku.ca/criticallink
Site URL https://www.glendon.yorku.ca/criticallink
Registration Pages
Event Page #144 – https://www.glendon.yorku.ca/criticallink/registration/
Payment/Thank You Page #8 – https://www.glendon.yorku.ca/criticallink/register/thank-you/
Transaction Notification Page #10 – https://www.glendon.yorku.ca/criticallink/register/transactions/
Cancel Return Page #9 – https://www.glendon.yorku.ca/criticallink/register/registration-cancelled/
Server Environment
PHP Version 5.4.12
Server Software Apache/2.2.11 (Win32) mod_ssl/2.2.11 OpenSSL/0.9.8i mod_jk/1.2.26 PHP/5.4.12 mod_auth_sspi/1.0.4
WP Max Upload Size 8MB
Server upload_max_filesize 60MB
Server post_max_size 8MB
WP Memory Limit 64MB
WP Debug Mode No
Espresso Logging Log directory is writable.
PHP Sessions
Session save path C:DOCUME~1ADMINI~1LOCALS~1Tempphpsession is writable.
Session name PHPSESSID
Remote Posting/IPN
fsockopen/cURL Your server has fsockopen and cURL enabled.


Josh

  • Support Staff

February 28, 2013 at 8:29 am

Hi there,

This error indicates that the Attendee ID variable isn’t being passed to the payment page. It’s not something I’ve seen before. Can you ask them to visit:

supportdetails.com

and have them send the details of the browser they are using so this can be looked into?


Aladin Alaily

February 28, 2013 at 9:45 am

Hi Josh, thanks. I have requested that they do that. I have noticed, not sure if this is relevant, that the people having problems seem to be the ones in China and Hong Kong. (it’s an international event). Could it have something to do with the fact that we have an HTTPS site?


Chris Reynolds

  • Support Staff

February 28, 2013 at 10:31 am

Whether it’s SSH shouldn’t matter in terms of the variables being passed, but that’s not to say it couldn’t be related or that there’s some other issue having to do with visitors from China (great firewall of China?).


Aladin Alaily

February 28, 2013 at 1:44 pm

Josh: I haven’t heard back from the failed attendee yet. But I know from previous communications that she tried on two devices. Firefox/PC and IPad/Safari. If that helps… thanks…


Josh

  • Support Staff

March 4, 2013 at 11:06 am

Hi Aladin,

The supportdetails.com will give us more specific details about the browsers. I think Chris may be on to something though. Do you have any way of testing whether this is consistently happening with registrations from China?


Aladin Alaily

March 4, 2013 at 1:10 pm

Hi Josh,

It’s a bit hard to get the data from foreign registrants and the request I made has not yielded the supportdetails information just yet… I’ll keep you posted as I hear more about this. Thanks.


Chris Reynolds

  • Support Staff

March 5, 2013 at 2:15 pm

Aladin —

I tried testing out my theory about the Chinese internet firewall…This by no means is an absolute test, but the results were definitely interesting.

First of all, I got the address of a proxy server in China from here: http://www.proxies.by/proxy/

I plugged that into my browser using the Proxy SwitchySharp extension for Google Chrome: https://chrome.google.com/webstore/detail/proxy-switchysharp/dpplabbmogkhghncfbfdeeokoefdjegm

I verified that I was being geolocated as a computer in China by going to Google.com — I was automatically redirected to google.com.hk

google.hk

Then I tried going to your site. When visiting your site with the https url, I immediately got an error. The page wouldn’t load at all. However, when I removed the https and connected to your site via the Chinese proxy at a regular http address, the site loaded.

My guess, therefore, is that the issue lies in your security certificate being filtered or blocked by Chinese firewalls. How to go about fixing this issue is beyond me, however, as it would require someone who knows far more about the way the firewall works and whether it would allow https connections at all or if it it just blocking the particular provider of that SSL certificate.


Aladin Alaily

March 5, 2013 at 4:29 pm

Whoa Chris — that’s some cool detective work! Thanks for looking into that.


Chris Reynolds

  • Support Staff

March 6, 2013 at 11:39 am

that’s some cool detective work! Thanks for looking into that.

No problem. Hopefully it’s not a significant issue for your event and/or that you can get it worked out somehow. Unfortunately, I have no clue who you’d ask to look into it for you — like I said, it would need to be someone who has experience dealing with the firewall and an understanding of exactly what it’s doing and why, so you can work within the restrictions it puts on. I’ve no doubt that it’s possible to work with it, considering I doubt you are hosting an event the subject matter of which would go against the intent behind the internet filtering, especially since the site itself loads fine, it’s just the SSL part that’s causing problems.

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