PHP Deprecated: Asking for a replica from groups except dump/vslow is deprecated: watchlist [Called from Wikimedia\Rdbms\LoadBalancer::getConnectionInternal]
Closed, DuplicatePublicPRODUCTION ERROR
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Authored By

	dduvall
	Oct 30 2025, 6:12 PM

Description

Error

service.version: 1.45.0-wmf.25
timestamp: 2025-10-30T18:10:04.221Z
labels.phpversion: 8.1.33
trace.id: 0b01edee-955a-4f52-a22d-6ce2d4bd7214
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[{reqId}] {exception_url}   PHP Deprecated: Asking for a replica from groups except dump/vslow is deprecated: watchlist [Called from Wikimedia\Rdbms\LoadBalancer::getConnectionInternal]

Frame	Location	Call
from	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/loadbalancer/LoadBalancer.php(805)
#0	[internal function]	MediaWiki\Exception\MWExceptionHandler::handleError(int, string, string, string)
#1	/srv/mediawiki/php-1.45.0-wmf.25/includes/debug/MWDebug.php(372)	trigger_error(string, int)
#2	/srv/mediawiki/php-1.45.0-wmf.25/includes/debug/MWDebug.php(343)	MediaWiki\Debug\MWDebug::sendRawDeprecated(string, bool, string)
#3	/srv/mediawiki/php-1.45.0-wmf.25/includes/GlobalFunctions.php(798)	MediaWiki\Debug\MWDebug::deprecatedMsg(string, bool, bool, int)
#4	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/loadbalancer/LoadBalancer.php(300)	wfDeprecatedMsg(string)
#5	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/loadbalancer/LoadBalancer.php(805)	Wikimedia\Rdbms\LoadBalancer->resolveGroups(array, int)
#6	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/database/DBConnRef.php(111)	Wikimedia\Rdbms\LoadBalancer->getConnectionInternal(int, array, string, int)
#7	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/database/DBConnRef.php(125)	Wikimedia\Rdbms\DBConnRef->ensureConnection()
#8	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/database/DBConnRef.php(369)	Wikimedia\Rdbms\DBConnRef->__call(string, array)
#9	/srv/mediawiki/php-1.45.0-wmf.25/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(780)	Wikimedia\Rdbms\DBConnRef->selectField(array, string, array, string, array, array)
#10	/srv/mediawiki/php-1.45.0-wmf.25/extensions/FlaggedRevs/includes/frontend/FlaggedRevsUIHooks.php(959)	Wikimedia\Rdbms\SelectQueryBuilder->fetchField()
#11	/srv/mediawiki/php-1.45.0-wmf.25/extensions/FlaggedRevs/includes/frontend/FlaggedRevsUIHooks.php(217)	FlaggedRevsUIHooks->maybeAddBacklogNotice(MediaWiki\Output\OutputPage)
#12	/srv/mediawiki/php-1.45.0-wmf.25/includes/HookContainer/HookContainer.php(141)	FlaggedRevsUIHooks->onBeforePageDisplay(MediaWiki\Output\OutputPage, MediaWiki\Skins\Vector\SkinVector22)
#13	/srv/mediawiki/php-1.45.0-wmf.25/includes/HookContainer/HookRunner.php(1055)	MediaWiki\HookContainer\HookContainer->run(string, array, array)
#14	/srv/mediawiki/php-1.45.0-wmf.25/includes/Output/OutputPage.php(3289)	MediaWiki\HookContainer\HookRunner->onBeforePageDisplay(MediaWiki\Output\OutputPage, MediaWiki\Skins\Vector\SkinVector22)
#15	/srv/mediawiki/php-1.45.0-wmf.25/includes/actions/ActionEntryPoint.php(160)	MediaWiki\Output\OutputPage->output(bool)
#16	/srv/mediawiki/php-1.45.0-wmf.25/includes/MediaWikiEntryPoint.php(184)	MediaWiki\Actions\ActionEntryPoint->execute()
#17	/srv/mediawiki/php-1.45.0-wmf.25/index.php(44)	MediaWiki\MediaWikiEntryPoint->run()
#18	/srv/mediawiki/w/index.php(3)	require(string)
#19	{main}

Impact

~ 120 errors/min on dewiki and ptwiki following 1.45.0-wmf.25 promotion to group2.

Notes

Details

Request URL: https://en.wikipedia.org/wiki/Special:Watchlist?days=*&hideWikibase=*&hidecategorization=*&hidepreviousrevisions=*&limit=*&urlversion=*

Related Objects
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		Status	Subtype	Assigned	Task
		Resolved	Release	dduvall	T405681 1.45.0-wmf.25 deployment blockers
		Duplicate	PRODUCTION ERROR	None	T408851 PHP Deprecated: Asking for a replica from groups except dump/vslow is deprecated: watchlist [Called from Wikimedia\Rdbms\LoadBalancer::getConnectionInternal]