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Scanning problems!

Posted: August 31, 2014 at 3:02 am

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Hans-Erik Kristensson

August 31, 2014 at 3:02 am

Hello!
I will scan the visitors at the entrance to the iPad and Nexus tablet.
I expect that we will have approximately 10,000 participants in the system.
Now we have just reached up to 1,600 pieces.
Now I can not get up “the list” in either the iPad or Nexus.
In the iPad, I get the error message “Cocoa error 3840”
In Nexus I do not get up to some participants, completely empty.

What is wrong?
Where should I start looking for the fault?

Thanks for any help

// Hans-Erik


Dean

September 1, 2014 at 2:26 am

Hi,

The first thing to check is your memory allowance as it could be you have simply maxed it out. You can try the PHP way to up it, but if that does not work you may need to refer to your host to check the actual memory limit.

http://codex.wordpress.org/Editing_wp-config.php#Increasing_memory_allocated_to_PHP

Also, do you have or have you had a caching plugin running on your site? I couldn’t see one, but we have had it before where a caching plugin was installed and uninstalled but it has left remnants of itself on the server, specifically in the .htacess which has also caused this error.


Hans-Erik Kristensson

September 1, 2014 at 3:00 pm

Hi Dean!
Thanks for your response. I have 96 Mb, and this is well be enough?
I will check with my host how it looks, and if there can be any old junk in memory.
Is there anything else I should check?

Have a great day

// Hans-Erik


Dean

September 2, 2014 at 2:09 am

Hi Erik,

I would try an up it as high as possible, even up to 256mb if you can.


Hans-Erik Kristensson

September 15, 2014 at 8:08 am

Hi Dean!
Now the event over. I took the b plan, and gathered visitors printed paper.
Now I’d just like to get this to work for the next event.
I now have 6219 registered visitors in my registry.
I have upgraded my PHP memory to 256 MB.

When I open the app in an iPad, I get the following “No Registrations The operation couldn’t be completed. (Cocoa error 3840)”
When I open the app in a Nexus, so I can get the 1500 visitor if I set the “Load MAX Attendees: ON”
But when I set it to “OFF”, nothing happens.

So what should I do?
Do you have any good suggestions?

Or is it so that the system can not handle this amount of visitors?

Could it be that EE4, can do this better?

(I have my next event in May 2015 so I have some time to test)

Have a great day

// Hans-Erik


Sidney Harrell

September 15, 2014 at 11:25 am

It could be that the php timeout is set to 30 seconds, and that would probably reach a limit of about 3000 attendees. You have more that 3000 attendees for a single event? If your host cannot increase the php timeout limit, then you may want to consider upgrading to a Virtual Private Server. Mine runs about $30 a month. Then you would have root access to the apache and php configurations, and could dial the timeout limit up as high as you need to.

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