A database query error has occurred. This may indicate a bug in the software.
[d74228665a816b71d08c5b60] /wiki/Publication:4809869 Wikimedia\Rdbms\DBQueryDisconnectedError: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading or after adding a new extension?
Please see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading and https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:How_to_debug for more information.
A connection error occurred during a query.
Query: SELECT page_id,page_namespace,page_title,page_is_redirect,page_is_new,page_latest,page_touched,page_len,page_content_model FROM `page` WHERE ((page_namespace = 12 AND page_title = 'MaRDI_QID') OR (page_namespace = 122 AND page_title IN ('P28','P1450','P226') ))
Function: MediaWiki\Parser\LinkHolderArray::replaceInternal
Error: 2006 MySQL server has gone away
Backtrace:
from /var/www/html/w/includes/libs/rdbms/database/Database.php(1228)
#0 /var/www/html/w/includes/libs/rdbms/database/Database.php(1214): Wikimedia\Rdbms\Database->getQueryException(string, int, string, string)
#1 /var/www/html/w/includes/libs/rdbms/database/Database.php(1188): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, int, string, string)
#2 /var/www/html/w/includes/libs/rdbms/database/Database.php(647): Wikimedia\Rdbms\Database->reportQueryError(string, int, string, string, bool)
#3 /var/www/html/w/includes/libs/rdbms/database/Database.php(1365): Wikimedia\Rdbms\Database->query(Wikimedia\Rdbms\Query, string)
#4 /var/www/html/w/includes/libs/rdbms/database/DBConnRef.php(127): Wikimedia\Rdbms\Database->select(array, array, array, string, array, array)
#5 /var/www/html/w/includes/libs/rdbms/database/DBConnRef.php(351): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#6 /var/www/html/w/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(762): Wikimedia\Rdbms\DBConnRef->select(array, array, array, string, array, array)
#7 /var/www/html/w/includes/parser/LinkHolderArray.php(215): Wikimedia\Rdbms\SelectQueryBuilder->fetchResultSet()
#8 /var/www/html/w/includes/parser/LinkHolderArray.php(155): MediaWiki\Parser\LinkHolderArray->replaceInternal(string)
#9 /var/www/html/w/includes/parser/Parser.php(5176): MediaWiki\Parser\LinkHolderArray->replace(string)
#10 /var/www/html/w/includes/parser/Parser.php(1701): MediaWiki\Parser\Parser->replaceLinkHoldersPrivate(string)
#11 /var/www/html/w/includes/parser/Parser.php(703): MediaWiki\Parser\Parser->internalParseHalfParsed(string, bool, bool)
#12 /var/www/html/w/includes/content/WikitextContentHandler.php(380): MediaWiki\Parser\Parser->parse(string, MediaWiki\Title\Title, MediaWiki\Parser\ParserOptions, bool, bool, int)
#13 /var/www/html/w/includes/content/ContentHandler.php(1685): MediaWiki\Content\WikitextContentHandler->fillParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Content\Renderer\ContentParseParams, MediaWiki\Parser\ParserOutput)
#14 /var/www/html/w/includes/content/Renderer/ContentRenderer.php(75): MediaWiki\Content\ContentHandler->getParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Content\Renderer\ContentParseParams)
#15 /var/www/html/w/includes/Revision/RenderedRevision.php(261): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Page\PageIdentityValue, MediaWiki\Revision\RevisionStoreRecord, MediaWiki\Parser\ParserOptions, array)
#16 /var/www/html/w/includes/Revision/RenderedRevision.php(233): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached(MediaWiki\Content\WikitextContent, array)
#17 /var/www/html/w/includes/Revision/RevisionRenderer.php(236): MediaWiki\Revision\RenderedRevision->getSlotParserOutput(string, array)
#18 /var/www/html/w/includes/Revision/RevisionRenderer.php(169): MediaWiki\Revision\RevisionRenderer->combineSlotOutput(MediaWiki\Revision\RenderedRevision, MediaWiki\Parser\ParserOptions, array)
#19 /var/www/html/w/includes/Revision/RenderedRevision.php(196): MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}(MediaWiki\Revision\RenderedRevision, array)
#20 /var/www/html/w/includes/poolcounter/PoolWorkArticleView.php(106): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#21 /var/www/html/w/includes/poolcounter/PoolWorkArticleViewCurrent.php(123): MediaWiki\PoolCounter\PoolWorkArticleView->renderRevision(null, bool, string)
#22 /var/www/html/w/includes/poolcounter/PoolCounterWork.php(171): MediaWiki\PoolCounter\PoolWorkArticleViewCurrent->doWork()
#23 /var/www/html/w/includes/page/ParserOutputAccess.php(369): MediaWiki\PoolCounter\PoolCounterWork->execute()
#24 /var/www/html/w/includes/page/Article.php(829): MediaWiki\Page\ParserOutputAccess->getParserOutput(WikiPage, MediaWiki\Parser\ParserOptions, MediaWiki\Revision\RevisionStoreRecord, int)
#25 /var/www/html/w/includes/page/Article.php(545): Article->generateContentOutput(MediaWiki\User\User, MediaWiki\Parser\ParserOptions, int, MediaWiki\Output\OutputPage, array)
#26 /var/www/html/w/includes/actions/ViewAction.php(78): Article->view()
#27 /var/www/html/w/includes/actions/ActionEntryPoint.php(730): ViewAction->show()
#28 /var/www/html/w/includes/actions/ActionEntryPoint.php(507): MediaWiki\Actions\ActionEntryPoint->performAction(Article, MediaWiki\Title\Title)
#29 /var/www/html/w/includes/actions/ActionEntryPoint.php(145): MediaWiki\Actions\ActionEntryPoint->performRequest()
#30 /var/www/html/w/includes/MediaWikiEntryPoint.php(202): MediaWiki\Actions\ActionEntryPoint->execute()
#31 /var/www/html/w/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#32 {main}
