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 smw_id,smw_sortkey FROM `smw_object_ids` WHERE smw_title = 'Impacts_Ecological' AND smw_namespace = '14' AND smw_iw = '' AND smw_subobject = '' LIMIT 1
Function: SMWSql3SmwIds::getDatabaseIdAndSort
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 smw_id,...', 'SMWSql3SmwIds::...', false)
#1 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1358): DatabaseBase->query('SELECT smw_id,...', 'SMWSql3SmwIds::...')
#2 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1445): DatabaseBase->select('smw_object_ids', Array, Array, 'SMWSql3SmwIds::...', Array, Array)
#3 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(289): DatabaseBase->selectRow('smw_object_ids', Array, Array, 'SMWSql3SmwIds::...')
#4 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(225): SMWSql3SmwIds->getDatabaseIdAndSort('Impacts_Ecologi...', 14, '', '', '', true, false)
#5 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(327): SMWSql3SmwIds->getSMWPageIDandSort('Impacts_Ecologi...', 14, '', '', '', true, false)
#6 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_DIHandler_WikiPage.php(63): SMWSql3SmwIds->getSMWPageID('Impacts_Ecologi...', 14, '', '')
#7 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3_Readers.php(489): SMWDIHandlerWikiPage->getWhereConds(Object(SMWDIWikiPage))
#8 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3_Readers.php(611): SMWSQLStore3Readers->prepareValueQuery('`smw_object_ids...', '', Object(SMWSQLStore3Table), Object(SMWDIWikiPage), 1)
#9 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(314): SMWSQLStore3Readers->getInProperties(Object(SMWDIWikiPage), NULL)
#10 /var/www/ISWiki/prod/current/lib/extensions/SemanticForms/includes/SF_FormLinker.php(31): SMWSQLStore3->getInProperties(Object(SMWDIWikiPage))
#11 /var/www/ISWiki/prod/current/lib/extensions/SemanticForms/includes/SF_FormLinker.php(284): SFFormLinker::getIncomingProperties(Object(Title))
#12 [internal function]: SFFormLinker::setBrokenLink(Object(DummyLinker), Object(Title), Array, 'Impacts Ecologi...', Array, NULL)
#13 /var/www/ISWiki/prod/current/lib/includes/Hooks.php(216): call_user_func_array('SFFormLinker::s...', Array)
#14 /var/www/ISWiki/prod/current/lib/includes/GlobalFunctions.php(3859): Hooks::run('LinkEnd', Array)
#15 /var/www/ISWiki/prod/current/lib/includes/Linker.php(222): wfRunHooks('LinkEnd', Array)
#16 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(1160): Linker::link(Object(Title), 'Impacts Ecologi...')
#17 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(1493): OutputPage->addCategoryLinks(Array)
#18 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(1539): OutputPage->addParserOutputNoText(Object(ParserOutput))
#19 /var/www/ISWiki/prod/current/lib/includes/diff/DifferenceEngine.php(527): OutputPage->addParserOutput(Object(ParserOutput))
#20 /var/www/ISWiki/prod/current/lib/includes/diff/DifferenceEngine.php(387): DifferenceEngine->renderNewRevision()
#21 /var/www/ISWiki/prod/current/lib/includes/Article.php(682): DifferenceEngine->showDiffPage(false)
#22 /var/www/ISWiki/prod/current/lib/includes/Article.php(434): Article->showDiffPage()
#23 /var/www/ISWiki/prod/current/lib/includes/actions/ViewAction.php(40): Article->view()
#24 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(484): ViewAction->show()
#25 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(278): MediaWiki->performAction(Object(Article))
#26 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(593): MediaWiki->performRequest()
#27 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(503): MediaWiki->main()
#28 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#29 {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}