https://bugzilla.wikimedia.org/show_bug.cgi?id=35854
Web browser: ---
Bug #: 35854
Summary: LCStore_DB cache is not refreshed on action=purge
Product: MediaWiki
Version: 1.18
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Internationalization
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
Mobile Platform: ---
I spent some hour trying to figure out why all of my ResourceLoader module
messages suddenly become unavailable when I just inserted two additional
messages into extension's i18n file. Extension originally used to be
well-working and messages were well-loading.
I introduced a PHP syntax error (typo) in i18n file, however I quickly fixed it
then reload the page, including clearance of Chrome cache, action=purge and
$wgCachePages = false; in LocalSettings.php.
But the extension's messages did not appear back, nothing helped. All of
messages were replaced by default "message key placeholders with ampersands".
After tracing where placeholders are coming from, I figured out that incorrect
empty messages were cached by instance of LCStore_DB, created in constructor of
LocalisationCache class:
$this->store = new $storeClass( $storeConf );
The further code was suggesting to switch to LCStore_CDB instead. So I've added
the following line into LocalSettings.php:
$wgCacheDirectory = "$IP/cache";
and just after defining $wgCacheDirectory and simple Ctrl+R in Chrome, all of
my ResourceLoader messages, including newly added ones, appeared at
client-side, available in mw.msg()
I guess there is some bug in LCStore_CDB because messages file was properly
corrected, however the $this->store state was not refreshed.
But the most disappointing is that action=purge did refresh message cache.
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