[Tiki-devel] Concerns with index errors for users upgrading from Tiki21 to Tiki24

Hello Devs,

I had more and more report (or cases) where perfectly indexed Tiki version 21 found themselves crippled with errors and eventually broken after upgrading too Tiki23.

While Tiki23 is “just” a stable, I guess upgrading to Tiki24 will have similar effect if not worst.

From Tiki18 to Tiki21 you can have “not perfect” Tiki and things will run.
Tiki where itemLink tracker have been deleted
Forums post containing a wiki link to a page that doesn’t exist
An trackeritem categorised with a category that was deleted (I think also if the category nae was changed)
An item where a mandatory field is empty (because the item was saved before the field was changed to mandatory, etc)
Weird article source: https://www.google.com/url?rct=j&sa=t&url=https://www.super-example.com/details/9781135105433/blabvlabla/&ct=ga&cd=CAIyGTg5MzhkZDZjMGJhMWM1MTA6ZGU6ZGU6REU&usg=AFQjCNHIC2pZkno7Su3uqfD93oKR9qXvfw

When you upgrade to Tiki23 and rebuilt the index you are warned about all this “anomalies” and some prevent the index to complete.
This is awesome and great as better Tiki data mean better performance and behaviour, but I have little doubt users will consider this as a regression and start to claim the upgrade broke their Tiki.

Not sure if we have a solution for that.

====

May be to defuse this problem we should emphasis the fact that we added/improved values control and protection but also make more clear (for admins eyes) the problem to tracker errors and suggest fixes.

In the instance I worked on this morning I have hundreds of :
2021-12-07T07:36:32+00:00 ERR (3): NOTICE: Trying to access array offset on value of type bool {"code":null,"file":"/var/www/vhosts/to.org/httpdocs/lib/core/WikiParser/OutputLink.php","line":125}
2021-12-07T07:36:32+00:00 ERR (3): NOTICE: Trying to access array offset on value of type bool {"code":null,"file":"/var/www/vhosts/to.org/httpdocs/lib/core/WikiParser/OutputLink.php","line":282}

For trackeritems (missing itemLink), for forum post (missing mandatory title), for articles (not yet understood why… wysiwyg 🤔), etc…
This in the error log of the index doesn’t help the Power user and it require much more skilled level to understand what to fix or correct.

I wonder if we couldn’t have more explicit error description…

trackeritem206
2021-12-07T07:36:32+00:00 ERR (3): NOTICE: Trying to access array offset on value of type bool {"code":null,"file":"/var/www/vhosts/to.org/httpdocs/lib/core/WikiParser/OutputLink.php","line":125}
Description: There is an error in the field 450 (itemLink source is missing)

...

Regards,
Bernard

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