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Latest post by tampe125 on Wednesday, 05 July 2023 09:33 CDT
Hi,
We have tried to update a site to Joomla 4 and it did not complete and since then we have issues so want to restore it. When we try to restore (JPA) we get the following error immediately:
The extraction has failed
Extraction of the backup archive has failed.
The last error message was:
AJAX Loading Error
HTTP Status: 0 ()
Internal status: error
XHR ReadyState: 4
Raw server response:
Backup log file attached.
Any ideas?
Matt...
Hello,
I'd need a couple of extra information. Are you using Kickstart or the embedded restoration? Are you trying to restore a Joomla 3 or Joomla 4 backup?
Davide Tampellini
Developer and Support Staff
🇮🇹Italian: native 🇬🇧English: good • 🕐 My time zone is Europe / Rome (UTC +1)
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!
This is the embedded restoration and it's restoring Joomla 3
Ok, this explains everything, taken from this page: https://www.akeeba.com/documentation/akeeba-backup-joomla/restoring-backups.html#general-guidelines
Do not try to overwrite one Joomla! version family with a different one. Overwriting a major version with another (e.g. restoring a backup taken on Joomla! 3.7 on top of a site running Joomla! 2.5 or vice versa) or between different minor versions (e.g. restoring a backup taken on Joomla! 3.7 on top of a site running Joomla! 3.6 or vice versa) will NOT work. Joomla! moves files around between minor and major versions. Since the backup does not delete files not present in the backup archive this will end up with Joomla! being "confused" and malfunctioning. In these cases you should delete the existing files and folders (except, perhaps, user generated content) before restoring the backup. You can safely restore a sub-minor (path-level) version on top of another. For example, you can safely restore a Joomla! 3.7.5 site on top of a Joomla! 3.7.3 site or vice versa.
If you want to downgrade your Joomla installation, please follow these steps:
Please triple check that your backup archive is correctly working, by extracting it on a test website or locally, since you're going to delete everything else.
Davide Tampellini
Developer and Support Staff
🇮🇹Italian: native 🇬🇧English: good • 🕐 My time zone is Europe / Rome (UTC +1)
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!
Sorry, maybe I didn't make myself clear. The site is not running Joomla 4 as the update did not work, but there appear to be problems with the site since this was done. So the site is still running version 3.10.11 (see the attached) and the backup is from the same version.
What if you use Kickstart to perform the restoration, instead of using the embedded one?
Davide Tampellini
Developer and Support Staff
🇮🇹Italian: native 🇬🇧English: good • 🕐 My time zone is Europe / Rome (UTC +1)
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!
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