Error
- mwversion: 1.40.0-wmf.19
- reqId: 3b62e449-fddd-4dd1-a852-05265ed24ce6
- Find reqId in Logstash
[{reqId}] {exception_url} Exception: JSON serialization of config data failed. This usually means the config data is not valid UTF-8.
from /srv/mediawiki/php-1.40.0-wmf.19/includes/ResourceLoader/ResourceLoader.php(1600) #0 /srv/mediawiki/php-1.40.0-wmf.19/includes/OutputPage.php(3500): MediaWiki\ResourceLoader\ResourceLoader::makeConfigSetScript(array) #1 /srv/mediawiki/php-1.40.0-wmf.19/includes/OutputPage.php(4500): OutputPage->getBottomScripts(string) #2 /srv/mediawiki/php-1.40.0-wmf.19/includes/skins/SkinMustache.php(66): OutputPage->tailElement(MediaWiki\Skins\Vector\SkinVectorLegacy) #3 /srv/mediawiki/php-1.40.0-wmf.19/includes/skins/SkinTemplate.php(179): SkinMustache->generateHTML() #4 /srv/mediawiki/php-1.40.0-wmf.19/includes/OutputPage.php(2887): SkinTemplate->outputPage() #5 /srv/mediawiki/php-1.40.0-wmf.19/includes/MediaWiki.php(933): OutputPage->output(boolean) #6 /srv/mediawiki/php-1.40.0-wmf.19/includes/MediaWiki.php(571): MediaWiki->main() #7 /srv/mediawiki/php-1.40.0-wmf.19/index.php(50): MediaWiki->run() #8 /srv/mediawiki/php-1.40.0-wmf.19/index.php(46): wfIndexMain() #9 /srv/mediawiki/w/index.php(3): require(string) #10 {main}
Impact
Notes
See a handful of these in 1.40.0-wmf.20 (T325583). Seems like T208689: Fatal error: JSON serialization of config data failed, invalid UTF-8 (via Scribunto) over again. I am guessing that this is a situation which should result in a user-facing error rather than an exception hitting the logs.