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[SOLVED Server settings / Joomla issue] Registration Screen gives HTTP error 500

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david.seager
Topic Author
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8 years 2 months ago - 8 years 2 months ago #13454 by david.seager

[SOLVED Server settings / Joomla issue] Registration Screen gives HTTP error 500 was created by david.seager

Joomla 3.63, iCagenda 3.6.4.1

A few weeks ago users started receiving Error 500 whenever they tried to register for an event. I think that this started when I updated Joomla or iCagenda but cannot be sure.

I have a test site which is still working. The only other difference between the two site that I can see is that on the faulty live site the iCagenda:Options screen is not displaying properly and only gives access to the fields on the List tab.

I have checked for other users reporting similar problems but cannot find any. I have also reinstalled iCagenda and cleared all caches.

Any suggestions would be gratefully received.

Last edit: 8 years 2 months ago by Lyr!C.

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Lyr!C
Administrator
Lead Developer

8 years 2 months ago #13465 by Lyr!C

Replied by Lyr!C on topic Registration Screen gives HTTP error 500

I have a test site which is still working. The only other difference between the two site that I can see is that on the faulty live site the iCagenda:Options screen is not displaying properly and only gives access to the fields on the List tab.

Hello,
Well, is the language used is the same ?
(as there's 2 reasons for config wrong display : an error in the language strings, or an error in a third party extension (plugin))

About page 500 on frontend registration, is it possible to do a registration test online on your site ?

Thanks!
Best Regards,
Cyril

Latest version : iCagenda 3.9.8
We recommend every user to keep iCagenda updated.
Don't forget to have your Joomla!™ up-to-date!

Do you like iCagenda?
I would appreciate if you could take 5 minutes to post a review on JED (Joomla Extensions Directory) .

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david.seager
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8 years 2 months ago #13471 by david.seager

Replied by david.seager on topic Registration Screen gives HTTP error 500

The language settings on both sites are English (en-GB). The live site does have several more third party extensions than the test site but it may be difficult to determine whether one of these is causing the problem. Would disabling them be useful?

I am happy to give you access to the site. I will set up an account for you and email the details to you.

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Lyr!C
Administrator
Lead Developer

8 years 2 months ago - 8 years 2 months ago #13479 by Lyr!C

Replied by Lyr!C on topic Registration Screen gives HTTP error 500

Hello,

So, activate error reporting on "development" in Joomla global configuration to be able to view what is the php error message.

It's not really a error 500 page, but a white screen of death (php fatal error somewhere ;-)

)

Regards,
Cyril

Last edit: 8 years 2 months ago by Lyr!C.

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david.seager
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8 years 2 months ago #13482 by david.seager

Replied by david.seager on topic Registration Screen gives HTTP error 500

Thanks for the suggestion regarding error reporting.

The error displayed on the screen is "Fatal error: Call to undefined function dom_import_simplexml() in /var/www/vhosts/waltonbridge.org.uk/httpdocs/libraries/joomla/form/form.php on line 885". This appears to be a problem with the PHP installation.

As this does not appear to be a problem with iCagenda I will follow it up elsewhere unless you have any suggestions.

Thanks,
David.

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Lyr!C
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8 years 2 months ago #13484 by Lyr!C

Replied by Lyr!C on topic Registration Screen gives HTTP error 500

Well, it's a serveur setting/capacity issue

www.google.fr/search?q=Call+to+undefined...QLWP64M8eo8wfq36DQDQ

Which is you PHP version ? (note: really recommended to be at least on 5.6, and the best : to be on php 7 !)

Best Regards,
Cyril

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david.seager
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8 years 2 months ago #13485 by david.seager

Replied by david.seager on topic Registration Screen gives HTTP error 500

It is currently running on PHP version 5.4.45 which is the default provided by the hosting service ("5.4.45 by OS vendor"). I will experiment with 5.6 and 7 on my test system which appear to be available.

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Lyr!C
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8 years 2 months ago - 8 years 2 months ago #13498 by Lyr!C

Replied by Lyr!C on topic Registration Screen gives HTTP error 500

david.seager wrote: It is currently running on PHP version 5.4.45 which is the default provided by the hosting service ("5.4.45 by OS vendor"). I will experiment with 5.6 and 7 on my test system which appear to be available.

Hi!

In fact, it's not an issue with PHP directly (works good with 5.4.45), but maybe to missing fonctions on your server.

You can check in admin of Joomla > System Information, and search for "dom_import_simplexml" to see if activated or not.

But, could be good to contact your hoster ;-)

Maybe related to this : forum.joomla.org/viewtopic.php?t=849967

Hope this helps ?

Best Regards,
Cyril

Last edit: 8 years 2 months ago by Lyr!C.

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david.seager
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8 years 2 months ago #13512 by david.seager

Replied by david.seager on topic Registration Screen gives HTTP error 500

I found that the XML functions were missing from my PHP installation. I have now turned them on and iCagenda is working again.

Unfortunately, the problem was first noticed after I had updated both Joomla and iCagenda so I assumed that one of these updates was responsible. This is the second time that my PHP configuration has been changed without my knowledge. From now on I will keep a snapshot fo the settings and check them first.

Thank you for you help, especially since the fault was not in iCagenda.

Kind regards,
David.

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Lyr!C
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8 years 2 months ago #13513 by Lyr!C

Replied by Lyr!C on topic Registration Screen gives HTTP error 500

Hi,

So it's maybe your Hoster reseting your server config on each update of their system ?...
Annoying if it's the reason!

Great to know all is ok now for your Joomla site and xml files ;-)