https://bugzilla.wikimedia.org/show_bug.cgi?id=47756
Web browser: ---
Bug ID: 47756
Summary: Updater should warn for incompatible database names
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Installer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Mobile Platform: ---
I followed a random link on twitter[1] where someone alleged[2] that the
MediaWiki updater tries to update databases with names that are no longer
allowed, and doesn't warn about that before updating.
This was the report:
Anyone here really good with mediawiki? I recently upgraded two installations
to 1.20 from 1.13.4, ran the update.php and all was fine except uploads don’t
work anymore. (Could not create directory
“mwstore://local-backend/local-public/3/37″). It’s not the owner/permissions on
/images or children but something more subtle that seems (seems) to involve the
mwstore://local-backend part not being translated into a filesystem path. With
my primitive debugging it looks like it’s giving that path straight to mkdir.
I’ve done the Google and short of trying to wrap my head around the mediawiki
codebase I’m out of ideas, I guess.
Follow-up:
Problem solved. Turns out the new database backend thing in mediawiki doesn’t
like database names with dots in them, and doesn’t tell you. Thank you Florian
Holzhauer for finding it!
[1] https://twitter.com/rop_g/statuses/324983132988264448
[2] http://rop.gonggri.jp/?p=695
Adding a scenario which will allow us to reproduce this issue (or someone who
can confirm it), may help in preventing other wiki administrators avoid this
issue.
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