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Warning: AmazonS3FileBackend::statUncached: S3Exception: Error executing "HeadObject" on "https://kbwiki-images.s3.eu-west-2.amazonaws.com/thumb/5/51/U1-01d32_files_image030.gif/293px-U1-01d32_files_image030.gif"; AWS HTTP error: cURL error 6: getaddrinfo() thread failed to start (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://kbwiki-images.s3.eu-west-2.amazonaws.com/thumb/5/51/U1-01d32_files_image030.gif/293px-U1-01d32_files_image030.gif in /var/www/html/mediawiki-1.39.7/extensions/AWS/s3/AmazonS3FileBackend.php on line 1125
Warning: AmazonS3FileBackend::statUncached: S3Exception: Error executing "HeadObject" on "https://kbwiki-images.s3.eu-west-2.amazonaws.com/thumb/2/22/U1-01d32_files_image032.gif/136px-U1-01d32_files_image032.gif"; AWS HTTP error: cURL error 6: getaddrinfo() thread failed to start (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://kbwiki-images.s3.eu-west-2.amazonaws.com/thumb/2/22/U1-01d32_files_image032.gif/136px-U1-01d32_files_image032.gif in /var/www/html/mediawiki-1.39.7/extensions/AWS/s3/AmazonS3FileBackend.php on line 1125
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Notice: Undefined index: x-resource-location in /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRestbaseInterface.php on line 387
Notice: Trying to get property 'success' of non-object in /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRestbaseInterface.php on line 388
Notice: Trying to get property 'checked' of non-object in /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRestbaseInterface.php on line 389
Notice: Trying to get property 'identifiers' of non-object in /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRestbaseInterface.php on line 390
MediaWiki internal error.
Original exception: [ZyQM2LO3Rb2-s5N7-2iZYQAAAAk] /w/index.php?diff=next&oldid=16063&title=UFR_1-01_Test_Case Error: Call to a member function getKey() on null
Backtrace:
from /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRenderer.php(703)
#0 /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRenderer.php(603): MediaWiki\Extension\Math\MathRenderer->doCheck()
#1 /var/www/html/mediawiki-1.39.7/extensions/Math/src/HookHandlers/ParserHooksHandler.php(113): MediaWiki\Extension\Math\MathRenderer->checkTeX()
#2 /var/www/html/mediawiki-1.39.7/extensions/Math/src/HookHandlers/ParserHooksHandler.php(159): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->mathPostTagHook(MediaWiki\Extension\Math\MathMathML, Parser)
#3 /var/www/html/mediawiki-1.39.7/includes/HookContainer/HookContainer.php(160): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->onParserAfterTidy(Parser, string)
#4 /var/www/html/mediawiki-1.39.7/includes/HookContainer/HookRunner.php(2864): MediaWiki\HookContainer\HookContainer->run(string, array)
#5 /var/www/html/mediawiki-1.39.7/includes/parser/Parser.php(1751): MediaWiki\HookContainer\HookRunner->onParserAfterTidy(Parser, string)
#6 /var/www/html/mediawiki-1.39.7/includes/parser/Parser.php(726): Parser->internalParseHalfParsed(string, boolean, boolean)
#7 /var/www/html/mediawiki-1.39.7/includes/content/WikitextContentHandler.php(301): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#8 /var/www/html/mediawiki-1.39.7/includes/content/ContentHandler.php(1721): WikitextContentHandler->fillParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams, ParserOutput)
#9 /var/www/html/mediawiki-1.39.7/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams)
#10 /var/www/html/mediawiki-1.39.7/includes/Revision/RenderedRevision.php(266): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput(WikitextContent, Title, integer, ParserOptions, boolean)
#11 /var/www/html/mediawiki-1.39.7/includes/Revision/RenderedRevision.php(237): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached(WikitextContent, boolean)
#12 /var/www/html/mediawiki-1.39.7/includes/Revision/RevisionRenderer.php(221): MediaWiki\Revision\RenderedRevision->getSlotParserOutput(string, array)
#13 /var/www/html/mediawiki-1.39.7/includes/Revision/RevisionRenderer.php(158): MediaWiki\Revision\RevisionRenderer->combineSlotOutput(MediaWiki\Revision\RenderedRevision, array)
#14 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}(MediaWiki\Revision\RenderedRevision, array)
#15 /var/www/html/mediawiki-1.39.7/includes/Revision/RenderedRevision.php(199): call_user_func(Closure, MediaWiki\Revision\RenderedRevision, array)
#16 /var/www/html/mediawiki-1.39.7/includes/poolcounter/PoolWorkArticleView.php(91): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#17 /var/www/html/mediawiki-1.39.7/includes/poolcounter/PoolWorkArticleViewOld.php(66): PoolWorkArticleView->renderRevision()
#18 /var/www/html/mediawiki-1.39.7/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleViewOld->doWork()
#19 /var/www/html/mediawiki-1.39.7/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#20 /var/www/html/mediawiki-1.39.7/includes/page/WikiPage.php(1291): MediaWiki\Page\ParserOutputAccess->getParserOutput(WikiPage, ParserOptions, MediaWiki\Revision\RevisionStoreRecord, integer)
#21 /var/www/html/mediawiki-1.39.7/includes/diff/DifferenceEngine.php(1063): WikiPage->getParserOutput(ParserOptions, integer)
#22 /var/www/html/mediawiki-1.39.7/includes/diff/DifferenceEngine.php(1016): DifferenceEngine->getParserOutput(WikiPage, MediaWiki\Revision\RevisionStoreRecord)
#23 /var/www/html/mediawiki-1.39.7/includes/diff/DifferenceEngine.php(846): DifferenceEngine->renderNewRevision()
#24 /var/www/html/mediawiki-1.39.7/includes/page/Article.php(908): DifferenceEngine->showDiffPage(boolean)
#25 /var/www/html/mediawiki-1.39.7/includes/page/Article.php(465): Article->showDiffPage()
#26 /var/www/html/mediawiki-1.39.7/includes/actions/ViewAction.php(78): Article->view()
#27 /var/www/html/mediawiki-1.39.7/includes/MediaWiki.php(542): ViewAction->show()
#28 /var/www/html/mediawiki-1.39.7/includes/MediaWiki.php(322): MediaWiki->performAction(Article, Title)
#29 /var/www/html/mediawiki-1.39.7/includes/MediaWiki.php(904): MediaWiki->performRequest()
#30 /var/www/html/mediawiki-1.39.7/includes/MediaWiki.php(562): MediaWiki->main()
#31 /var/www/html/mediawiki-1.39.7/index.php(50): MediaWiki->run()
#32 /var/www/html/mediawiki-1.39.7/index.php(46): wfIndexMain()
#33 {main}
Exception caught inside exception handler: [ZyQM2LO3Rb2-s5N7-2iZYQAAAAk] /w/index.php?diff=next&oldid=16063&title=UFR_1-01_Test_Case Error: Call to a member function getKey() on null
Backtrace:
from /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRenderer.php(703)
#0 /var/www/html/mediawiki-1.39.7/extensions/Math/src/MathRenderer.php(603): MediaWiki\Extension\Math\MathRenderer->doCheck()
#1 /var/www/html/mediawiki-1.39.7/extensions/Math/src/HookHandlers/ParserHooksHandler.php(113): MediaWiki\Extension\Math\MathRenderer->checkTeX()
#2 /var/www/html/mediawiki-1.39.7/extensions/Math/src/HookHandlers/ParserHooksHandler.php(159): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->mathPostTagHook(MediaWiki\Extension\Math\MathMathML, Parser)
#3 /var/www/html/mediawiki-1.39.7/includes/HookContainer/HookContainer.php(160): MediaWiki\Extension\Math\HookHandlers\ParserHooksHandler->onParserAfterTidy(Parser, string)
#4 /var/www/html/mediawiki-1.39.7/includes/HookContainer/HookRunner.php(2864): MediaWiki\HookContainer\HookContainer->run(string, array)
#5 /var/www/html/mediawiki-1.39.7/includes/parser/Parser.php(1751): MediaWiki\HookContainer\HookRunner->onParserAfterTidy(Parser, string)
#6 /var/www/html/mediawiki-1.39.7/includes/parser/Parser.php(726): Parser->internalParseHalfParsed(string, boolean, boolean)
#7 /var/www/html/mediawiki-1.39.7/includes/language/MessageCache.php(1425): Parser->parse(string, Title, ParserOptions, boolean)
#8 /var/www/html/mediawiki-1.39.7/includes/language/Message.php(1427): MessageCache->parse(string, Title, boolean, boolean, LanguageEn)
#9 /var/www/html/mediawiki-1.39.7/includes/language/Message.php(1004): Message->parseText(string)
#10 /var/www/html/mediawiki-1.39.7/includes/language/Message.php(1042): Message->format(string)
#11 /var/www/html/mediawiki-1.39.7/includes/skins/Skin.php(752): Message->parse()
#12 /var/www/html/mediawiki-1.39.7/includes/skins/SkinMustache.php(82): Skin->printSource()
#13 /var/www/html/mediawiki-1.39.7/skins/Vector/includes/SkinVector.php(454): SkinMustache->getTemplateData()
#14 /var/www/html/mediawiki-1.39.7/includes/skins/SkinMustache.php(58): MediaWiki\Skins\Vector\SkinVector->getTemplateData()
#15 /var/www/html/mediawiki-1.39.7/includes/skins/SkinTemplate.php(177): SkinMustache->generateHTML()
#16 /var/www/html/mediawiki-1.39.7/includes/OutputPage.php(2876): SkinTemplate->outputPage()
#17 /var/www/html/mediawiki-1.39.7/includes/exception/MWExceptionRenderer.php(183): OutputPage->output()
#18 /var/www/html/mediawiki-1.39.7/includes/exception/MWExceptionRenderer.php(102): MWExceptionRenderer::reportHTML(Error)
#19 /var/www/html/mediawiki-1.39.7/includes/exception/MWExceptionHandler.php(131): MWExceptionRenderer::output(Error, integer)
#20 /var/www/html/mediawiki-1.39.7/includes/exception/MWExceptionHandler.php(248): MWExceptionHandler::report(Error)
#21 /var/www/html/mediawiki-1.39.7/includes/MediaWiki.php(584): MWExceptionHandler::handleException(Error, string)
#22 /var/www/html/mediawiki-1.39.7/index.php(50): MediaWiki->run()
#23 /var/www/html/mediawiki-1.39.7/index.php(46): wfIndexMain()
#24 {main}