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MediaWiki internal error.
Original exception: [065f417e21d6b7027a186cfe] /index.php?diff=next&oldid=14150&title=Maintenance_Area Wikimedia\Rdbms\DBQueryError from line 1713 of /var/www/mediawiki/includes/libs/rdbms/database/Database.php: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading?
Error 1927: Lost connection to backend server: connection closed by peer (server3: Generated event) (database_maxscale:4006)
Function: LinkCache::fetchPageRow
Query: SELECT page_id,page_len,page_is_redirect,page_latest,page_restrictions,page_content_model FROM `page` WHERE page_namespace = 2 AND page_title = 'Götz_Uckert' LIMIT 1
Backtrace:
#0 /var/www/mediawiki/includes/libs/rdbms/database/Database.php(1697): Wikimedia\Rdbms\Database->getQueryException()
#1 /var/www/mediawiki/includes/libs/rdbms/database/Database.php(1672): Wikimedia\Rdbms\Database->getQueryExceptionAndLog()
#2 /var/www/mediawiki/includes/libs/rdbms/database/Database.php(1241): Wikimedia\Rdbms\Database->reportQueryError()
#3 /var/www/mediawiki/includes/libs/rdbms/database/Database.php(1921): Wikimedia\Rdbms\Database->query()
#4 /var/www/mediawiki/includes/libs/rdbms/database/Database.php(2021): Wikimedia\Rdbms\Database->select()
#5 /var/www/mediawiki/includes/libs/rdbms/database/DBConnRef.php(68): Wikimedia\Rdbms\Database->selectRow()
#6 /var/www/mediawiki/includes/libs/rdbms/database/DBConnRef.php(331): Wikimedia\Rdbms\DBConnRef->__call()
#7 /var/www/mediawiki/includes/cache/LinkCache.php(330): Wikimedia\Rdbms\DBConnRef->selectRow()
#8 /var/www/mediawiki/includes/cache/LinkCache.php(279): LinkCache->fetchPageRow()
#9 /var/www/mediawiki/includes/Title.php(3246): LinkCache->addLinkObj()
#10 /var/www/mediawiki/includes/parser/ParserOutput.php(862): Title->getArticleID()
#11 /var/www/mediawiki/includes/parser/Parser.php(2685): ParserOutput->addLink()
#12 /var/www/mediawiki/includes/parser/Parser.php(2382): Parser->handleInternalLinks2()
#13 /var/www/mediawiki/includes/parser/Parser.php(1586): Parser->handleInternalLinks()
#14 /var/www/mediawiki/includes/parser/Parser.php(652): Parser->internalParse()
#15 /var/www/mediawiki/extensions/DynamicPageList3/includes/Parse.php(885): Parser->parse()
#16 /var/www/mediawiki/extensions/DynamicPageList3/includes/Parse.php(330): DPL\Parse->triggerEndResets()
#17 /var/www/mediawiki/extensions/DynamicPageList3/DynamicPageListHooks.php(247): DPL\Parse->parse()
#18 /var/www/mediawiki/extensions/DynamicPageList3/DynamicPageListHooks.php(226): DynamicPageListHooks::executeTag()
#19 /var/www/mediawiki/includes/parser/Parser.php(3921): DynamicPageListHooks::dplTag()
#20 /var/www/mediawiki/includes/parser/PPFrame_Hash.php(340): Parser->extensionSubstitution()
#21 /var/www/mediawiki/includes/parser/Parser.php(2886): PPFrame_Hash->expand()
#22 /var/www/mediawiki/includes/parser/Parser.php(1557): Parser->replaceVariables()
#23 /var/www/mediawiki/includes/parser/Parser.php(652): Parser->internalParse()
#24 /var/www/mediawiki/includes/content/WikitextContent.php(374): Parser->parse()
#25 /var/www/mediawiki/includes/content/AbstractContent.php(590): WikitextContent->fillParserOutput()
#26 /var/www/mediawiki/includes/Revision/RenderedRevision.php(263): AbstractContent->getParserOutput()
#27 /var/www/mediawiki/includes/Revision/RenderedRevision.php(235): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached()
#28 /var/www/mediawiki/includes/Revision/RevisionRenderer.php(215): MediaWiki\Revision\RenderedRevision->getSlotParserOutput()
#29 /var/www/mediawiki/includes/Revision/RevisionRenderer.php(152): MediaWiki\Revision\RevisionRenderer->combineSlotOutput()
#30 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}()
#31 /var/www/mediawiki/includes/Revision/RenderedRevision.php(197): call_user_func()
#32 /var/www/mediawiki/includes/poolcounter/PoolWorkArticleView.php(216): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#33 /var/www/mediawiki/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleView->doWork()
#34 /var/www/mediawiki/includes/page/WikiPage.php(1281): PoolCounterWork->execute()
#35 /var/www/mediawiki/includes/diff/DifferenceEngine.php(1093): WikiPage->getParserOutput()
#36 /var/www/mediawiki/includes/diff/DifferenceEngine.php(1050): DifferenceEngine->getParserOutput()
#37 /var/www/mediawiki/includes/diff/DifferenceEngine.php(878): DifferenceEngine->renderNewRevision()
#38 /var/www/mediawiki/includes/page/Article.php(980): DifferenceEngine->showDiffPage()
#39 /var/www/mediawiki/includes/page/Article.php(656): Article->showDiffPage()
#40 /var/www/mediawiki/includes/actions/ViewAction.php(80): Article->view()
#41 /var/www/mediawiki/includes/MediaWiki.php(531): ViewAction->show()
#42 /var/www/mediawiki/includes/MediaWiki.php(313): MediaWiki->performAction()
#43 /var/www/mediawiki/includes/MediaWiki.php(947): MediaWiki->performRequest()
#44 /var/www/mediawiki/includes/MediaWiki.php(547): MediaWiki->main()
#45 /var/www/mediawiki/index.php(53): MediaWiki->run()
#46 /var/www/mediawiki/index.php(46): wfIndexMain()
#47 {main}
Exception caught inside exception handler: [065f417e21d6b7027a186cfe] /index.php?diff=next&oldid=14150&title=Maintenance_Area InvalidArgumentException from line 58 of /var/www/mediawiki/includes/libs/rdbms/database/DBConnRef.php: Missing lazy connection arguments.
Backtrace:
#0 /var/www/mediawiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1049): Wikimedia\Rdbms\DBConnRef->__construct()
#1 /var/www/mediawiki/includes/GlobalFunctions.php(2463): Wikimedia\Rdbms\LoadBalancer->getMaintenanceConnectionRef()
#2 /var/www/mediawiki/includes/cache/localisation/LCStoreDB.php(56): wfGetDB()
#3 /var/www/mediawiki/includes/cache/localisation/LocalisationCache.php(430): LCStoreDB->get()
#4 /var/www/mediawiki/includes/cache/localisation/LocalisationCache.php(333): LocalisationCache->loadSubitem()
#5 /var/www/mediawiki/includes/cache/MessageCache.php(659): LocalisationCache->getSubitem()
#6 /var/www/mediawiki/includes/cache/MessageCache.php(1130): MessageCache->isMainCacheable()
#7 /var/www/mediawiki/includes/cache/MessageCache.php(1034): MessageCache->getMsgFromNamespace()
#8 /var/www/mediawiki/includes/cache/MessageCache.php(1005): MessageCache->getMessageForLang()
#9 /var/www/mediawiki/includes/cache/MessageCache.php(947): MessageCache->getMessageFromFallbackChain()
#10 /var/www/mediawiki/includes/language/Message.php(1320): MessageCache->get()
#11 /var/www/mediawiki/includes/language/Message.php(878): Message->fetchMessage()
#12 /var/www/mediawiki/includes/language/Message.php(970): Message->toString()
#13 /var/www/mediawiki/includes/exception/MWExceptionRenderer.php(149): Message->text()
#14 /var/www/mediawiki/includes/exception/MWExceptionRenderer.php(65): MWExceptionRenderer::reportHTML()
#15 /var/www/mediawiki/includes/exception/MWExceptionHandler.php(106): MWExceptionRenderer::output()
#16 /var/www/mediawiki/includes/exception/MWExceptionHandler.php(185): MWExceptionHandler::report()
#17 /var/www/mediawiki/includes/MediaWiki.php(580): MWExceptionHandler::handleException()
#18 /var/www/mediawiki/index.php(53): MediaWiki->run()
#19 /var/www/mediawiki/index.php(46): wfIndexMain()
#20 {main}