MediaWiki internal error.
Original exception: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT old_text,old_flags FROM `text` WHERE old_id = '297026' LIMIT 1
Function: Revision::loadText
Error: 1927 Lost connection to backend server: connection closed by peer (server3: Generated event) (database_maxscale:4006)
' in /var/www/ISWiki/prod/current/lib/includes/db/Database.php:918
Stack trace:
#0 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(885): DatabaseBase->reportQueryError('Lost connection...', 1927, 'SELECT old_tex...', 'Revision::loadT...', false)
#1 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1358): DatabaseBase->query('SELECT old_tex...', 'Revision::loadT...')
#2 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1445): DatabaseBase->select('text', Array, Array, 'Revision::loadT...', Array, Array)
#3 /var/www/ISWiki/prod/current/lib/includes/Revision.php(1056): DatabaseBase->selectRow('text', Array, Array, 'Revision::loadT...')
#4 /var/www/ISWiki/prod/current/lib/includes/Revision.php(756): Revision->loadText()
#5 /var/www/ISWiki/prod/current/lib/includes/Revision.php(733): Revision->getRawText()
#6 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3534): Revision->getText()
#7 [internal function]: Parser->statelessFetchTemplate(Object(Title), Object(Parser))
#8 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3459): call_user_func(Array, Object(Title), Object(Parser))
#9 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3434): Parser->fetchTemplateAndTitle(Object(Title))
#10 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3293): Parser->getTemplateDom(Object(Title))
#11 /var/www/ISWiki/prod/current/lib/includes/parser/Preprocessor_DOM.php(1043): Parser->braceSubstitution(Array, Object(PPFrame_DOM))
#12 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(2986): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#13 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(1099): Parser->replaceVariables('{{PoweringAg Pr...')
#14 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(345): Parser->internalParse('{{PoweringAg Pr...')
#15 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_QueryHandler.php(466): Parser->parse('{{PoweringAg Pr...', Object(Title), Object(ParserOptions))
#16 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_QueryHandler.php(311): SMQueryHandler->buildLocationsList(Array, '', '', Array, NULL)
#17 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_QueryHandler.php(243): SMQueryHandler->handleResultRow(Array)
#18 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_QueryHandler.php(237): SMQueryHandler->findShapes()
#19 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_MapPrinter.php(289): SMQueryHandler->getShapes()
#20 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/includes/queryprinters/SM_MapPrinter.php(195): SMMapPrinter->handleMarkerData(Array, Object(SMQueryHandler))
#21 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/queryprinters/SMW_ResultPrinter.php(232): SMMapPrinter->getResultText(Object(SMWQueryResult), 2)
#22 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/queryprinters/SMW_ResultPrinter.php(202): SMWResultPrinter->buildResult(Object(SMWQueryResult))
#23 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/SMW_QueryProcessor.php(512): SMWResultPrinter->getResult(Object(SMWQueryResult), Array, 2)
#24 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/parserhooks/SMW_Ask.php(40): SMWQueryProcessor::getResultFromQuery(Object(SMWQuery), Array, 2, 1)
#25 [internal function]: SMWAsk::render(Object(Parser), '[[Category:PAP ...', '?PAP Coordinate...', '?PAP country na...', 'format=openlaye...', 'center=Chad', 'zoom=2', 'height=350', 'template=Poweri...', 'mainlabel=-', 'polygons=?16.49...')
#26 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3197): call_user_func_array(Array, Array)
#27 /var/www/ISWiki/prod/current/lib/includes/parser/Preprocessor_DOM.php(1043): Parser->braceSubstitution(Array, Object(PPTemplateFrame_DOM))
#28 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3352): PPFrame_DOM->expand(Object(PPNode_DOM))
#29 /var/www/ISWiki/prod/current/lib/includes/parser/Preprocessor_DOM.php(1043): Parser->braceSubstitution(Array, Object(PPFrame_DOM))
#30 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(2986): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#31 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(1099): Parser->replaceVariables('{{Portal French...')
#32 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(345): Parser->internalParse('{{Portal French...')
#33 /var/www/ISWiki/prod/current/lib/includes/WikiPage.php(2914): Parser->parse('{{Portal French...', Object(Title), Object(ParserOptions), true, true, 328729)
#34 /var/www/ISWiki/prod/current/lib/includes/PoolCounter.php(187): PoolWorkArticleView->doWork()
#35 /var/www/ISWiki/prod/current/lib/includes/WikiPage.php(862): PoolCounterWork->execute()
#36 /var/www/ISWiki/prod/current/lib/includes/diff/DifferenceEngine.php(523): WikiPage->getParserOutput(Object(ParserOptions), 328729)
#37 /var/www/ISWiki/prod/current/lib/includes/diff/DifferenceEngine.php(387): DifferenceEngine->renderNewRevision()
#38 /var/www/ISWiki/prod/current/lib/includes/Article.php(682): DifferenceEngine->showDiffPage(false)
#39 /var/www/ISWiki/prod/current/lib/includes/Article.php(434): Article->showDiffPage()
#40 /var/www/ISWiki/prod/current/lib/includes/actions/ViewAction.php(40): Article->view()
#41 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(484): ViewAction->show()
#42 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(278): MediaWiki->performAction(Object(Article))
#43 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(593): MediaWiki->performRequest()
#44 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(503): MediaWiki->main()
#45 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#46 {main}
Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT value,exptime FROM `objectcache` WHERE keyname = 'webmol_energypedia:resourceloader:filter:minify-css:7:c88e2bcd56513749bec09a7e29cb3ffa' LIMIT 1
Function: SqlBagOStuff::get
Error: 1927 Lost connection to backend server: connection closed by peer (server3: Generated event) (database_maxscale:4006)
' in /var/www/ISWiki/prod/current/lib/includes/db/Database.php:918
Stack trace:
#0 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(885): DatabaseBase->reportQueryError('Lost connection...', 1927, 'SELECT value,e...', 'SqlBagOStuff::g...', false)
#1 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1358): DatabaseBase->query('SELECT value,e...', 'SqlBagOStuff::g...')
#2 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1445): DatabaseBase->select('objectcache', Array, Array, 'SqlBagOStuff::g...', Array, Array)
#3 /var/www/ISWiki/prod/current/lib/includes/objectcache/SqlBagOStuff.php(124): DatabaseBase->selectRow('objectcache', Array, Array, 'SqlBagOStuff::g...')
#4 /var/www/ISWiki/prod/current/lib/includes/resourceloader/ResourceLoader.php(149): SqlBagOStuff->get('webmol_energype...')
#5 /var/www/ISWiki/prod/current/lib/includes/resourceloader/ResourceLoader.php(783): ResourceLoader->filter('minify-css', 'a:lang(ar), a:l...')
#6 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(2594): ResourceLoader->makeModuleResponse(Object(ResourceLoaderContext), Array)
#7 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(3310): OutputPage->makeResourceLoaderLink(Array, 'styles')
#8 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(2407): OutputPage->buildCssLinks()
#9 /var/www/ISWiki/prod/current/lib/includes/SkinTemplate.php(465): OutputPage->headElement(Object(SkinIswiki))
#10 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(1982): SkinTemplate->outputPage()
#11 /var/www/ISWiki/prod/current/lib/includes/Exception.php(182): OutputPage->output()
#12 /var/www/ISWiki/prod/current/lib/includes/Exception.php(209): MWException->reportHTML()
#13 /var/www/ISWiki/prod/current/lib/includes/Exception.php(490): MWException->report()
#14 /var/www/ISWiki/prod/current/lib/includes/Exception.php(569): MWExceptionHandler::report(Object(DBQueryError))
#15 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(506): MWExceptionHandler::handle(Object(DBQueryError))
#16 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#17 {main}