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#35707 Joomla 3 --> Joomla 4

Posted in ‘Admin Tools for Joomla! 4 & 5’
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Admin Tools version
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Latest post by trogladyte on Friday, 27 August 2021 09:40 CDT

Thursday, 26 August 2021 14:27 CDT

trogladyte

I noted elsewhere that a bug in Joomla's update routine is throwing false positives regarding extensions needing an upgrade prior to migration. Just today, I've started to see Admin Tools appearing as extensions requiring upgrade prior to migrating to Joomla 4.

I decided to take this with a grain of salt, and it was the only extension Joomla was complaining about (apart from a few other random ones in the "We couldn't tell" section which I had the latest, and J!4 compatible, installs of). So I went ahead and did the Joomla upgrade. The upgrade for Joomla was fine, but I DID have an Admin Tools issue:

An error has occurred.
0 Call to undefined method Joomla\CMS\Application\AdministratorApplication::isAdmin()
As I can't upgrade to a Joomla 4 version prior to migration, do I need to uninstall Admin Tools, migrate then install the Joomla 4 version.
Apologies if this has already been asked and answered. I did have a look but couldn't find any posts.

 

Edited by on 2021-09-25 20:45 CDT

Thursday, 26 August 2021 15:02 CDT

trogladyte

Sorry, please ignore the error. Just noticed that it has nothing (that I can now tell) to do with Akeeba. Apologies. Still interested in dealing with the migration and Akeeba extensions.

Friday, 27 August 2021 03:05 CDT

nicholas

This definitely comes from an older extension. The isSite/isAdmin methods have been replaced by isClient since Joomla 3.6 if I recall correctly. Once we dropped support form Joomla 3.8 we did change our software to use isClient.

This change did catch many developers by surprise because it's not logged as deprecated, while Joomla tells developer to look at the deprecated log to figure out if they need to change something. So much fun.

I actually wrote my own code which trawls through the released Joomla version, finds deprecate stuff and creates Rector configuration files so I can upgrade my code based on the desired minimum Joomla target version. Even that only gets me 80% of the way there but, hey, it's better than “where the funk do I even get started” that most developers have to deal with.

Oh, well :)

Nicholas K. Dionysopoulos

Lead Developer and Director

🇬🇷Greek: native 🇬🇧English: excellent 🇫🇷French: basic • 🕐 My time zone is Europe / Athens
Please keep in mind my timezone and cultural differences when reading my replies. Thank you!

Friday, 27 August 2021 09:40 CDT

trogladyte

Thanks for the explanation Nicholas. As always, your great support matches the quality of your products! I never set up any new site w/o both Backup and Admin Tools installed.

It seems, from reading posts and GitHub reports, that there are often little gotchas - like depracations -  with Joomla upgrades that miss getting though of or reported. Must be highly annoying for developers to suddenly have their creation stop working or work in unexpected ways.

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