Steps to replicate
- Go to https://wikitech.wikimedia.org/wiki/Special:UrlShortener
- Attempt to shorten a URL (e.g. https://wikitech.wikimedia.org/wiki/MediaWiki_On_Kubernetes)
- Get [91d556bb-581e-4a8f-8278-bda6f25d62f4] Caught exception of type Wikimedia\Rdbms\DBConnectionError
Error
- mwversion: 1.41.0-wmf.16
- reqId: 91d556bb-581e-4a8f-8278-bda6f25d62f4
- Find reqId in Logstash
normalized_message
[{reqId}] {exception_url} Wikimedia\Rdbms\DBConnectionError: Cannot access the database: could not connect to any replica DB serverexception.trace
from /srv/mediawiki/php-1.41.0-wmf.16/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1227)
#0 /srv/mediawiki/php-1.41.0-wmf.16/includes/libs/rdbms/loadbalancer/LoadBalancer.php(834): Wikimedia\Rdbms\LoadBalancer->reportConnectionError(string)
#1 /srv/mediawiki/php-1.41.0-wmf.16/includes/libs/rdbms/database/DBConnRef.php(103): Wikimedia\Rdbms\LoadBalancer->getConnectionInternal(integer, array, string, integer)
#2 /srv/mediawiki/php-1.41.0-wmf.16/includes/libs/rdbms/database/DBConnRef.php(117): Wikimedia\Rdbms\DBConnRef->ensureConnection()
#3 /srv/mediawiki/php-1.41.0-wmf.16/includes/libs/rdbms/database/DBConnRef.php(359): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#4 /srv/mediawiki/php-1.41.0-wmf.16/extensions/UrlShortener/includes/UrlShortenerUtils.php(83): Wikimedia\Rdbms\DBConnRef->selectRow(string, array, array, string)
#5 /srv/mediawiki/php-1.41.0-wmf.16/extensions/UrlShortener/includes/ApiShortenUrl.php(37): MediaWiki\Extension\UrlShortener\UrlShortenerUtils::maybeCreateShortCode(string, User)
#6 /srv/mediawiki/php-1.41.0-wmf.16/includes/api/ApiMain.php(1915): MediaWiki\Extension\UrlShortener\ApiShortenUrl->execute()
#7 /srv/mediawiki/php-1.41.0-wmf.16/includes/api/ApiMain.php(892): ApiMain->executeAction()
#8 /srv/mediawiki/php-1.41.0-wmf.16/includes/api/ApiMain.php(863): ApiMain->executeActionWithErrorHandling()
#9 /srv/mediawiki/php-1.41.0-wmf.16/api.php(95): ApiMain->execute()
#10 /srv/mediawiki/php-1.41.0-wmf.16/api.php(48): wfApiMain()
#11 /srv/mediawiki/w/api.php(3): require(string)
#12 {main}