Seen in kibana logs:
$ php bin/parse.php --restURL "/w/rest.php/zh.wikipedia.org/v3/transform/pagebundle/to/pagebundle/%E8%B6%85%E4%BA%BA%E5%8A%9B%E9%9C%B8%E7%8E%8B%E9%A6%AC%E5%85%8B%E6%96%AF" --htmlVariantLanguage zh-cn [warn/dsr/inconsistent] DSR inconsistency: cs/s mismatch for node: tr s:1948 ; cs:2018 PHP Notice: Undefined index: /html/body/table[3]/tbody/tr[6]/td[4]/span[4]/p in /home/cananian/Projects/Wikimedia/Parsoid/src/Language/MachineLanguageGuesser.php on line 94 Wikimedia\Assert\InvariantException from line 217 of /home/cananian/Projects/Wikimedia/Parsoid/vendor/wikimedia/assert/src/Assert.php: Invariant failed: Text w/o a context #0 /home/cananian/Projects/Wikimedia/Parsoid/src/Language/ConversionTraverser.php(107): Wikimedia\Assert\Assert::invariant(false, 'Text w/o a cont...') #1 /home/cananian/Projects/Wikimedia/Parsoid/src/Language/ConversionTraverser.php(66): Parsoid\Language\ConversionTraverser->textHandler(Object(DOMText), Object(Parsoid\Config\Env), true, Object(stdClass)) #2 [internal function]: Parsoid\Language\ConversionTraverser->Parsoid\Language\{closure}(Object(DOMText), Object(Parsoid\Config\Env), true, Object(stdClass)) #3 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(66): call_user_func(Object(Closure), Object(DOMText), Object(Parsoid\Config\Env), true, Object(stdClass)) #4 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(133): Parsoid\Utils\DOMTraverser->callHandlers(Object(DOMText), Object(Parsoid\Config\Env), true, Object(stdClass)) #5 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMText), Object(Parsoid\Config\Env), Array, true, Object(stdClass)) #6 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, Object(stdClass)) #7 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, Object(stdClass)) #8 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, NULL) #9 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, NULL) #10 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, NULL) #11 /home/cananian/Projects/Wikimedia/Parsoid/src/Utils/DOMTraverser.php(144): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true, NULL) #12 /home/cananian/Projects/Wikimedia/Parsoid/src/Language/LanguageConverter.php(288): Parsoid\Utils\DOMTraverser->traverse(Object(DOMElement), Object(Parsoid\Config\Env), Array, true) #13 /home/cananian/Projects/Wikimedia/Parsoid/src/Language/LanguageConverter.php(222): Parsoid\Language\LanguageConverter::baseToVariant(Object(Parsoid\Config\Env), Object(DOMElement), 'zh-cn', NULL) #14 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/PP/Processors/LangConverter.php(22): Parsoid\Language\LanguageConverter::maybeConvert(Object(Parsoid\Config\Env), Object(DOMDocument), 'zh-cn', NULL) #15 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/DOMPostProcessor.php(151): Parsoid\Wt2Html\PP\Processors\LangConverter->run(Object(DOMElement), Object(Parsoid\Config\Env), Array, true) #16 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/DOMPostProcessor.php(828): Parsoid\Wt2Html\DOMPostProcessor->Parsoid\Wt2Html\{closure}(Object(DOMElement), Object(Parsoid\Config\Env), Array, true) #17 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/DOMPostProcessor.php(881): Parsoid\Wt2Html\DOMPostProcessor->doPostProcess(Object(DOMDocument)) #18 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/DOMPostProcessor.php(898): Parsoid\Wt2Html\DOMPostProcessor->process(Object(DOMDocument)) #19 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/ParserPipeline.php(148): Parsoid\Wt2Html\DOMPostProcessor->processChunkily('{{Expand|time=2...', Array) #20 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/ParserPipeline.php(198): Parsoid\Wt2Html\ParserPipeline->parseChunkily('{{Expand|time=2...', Array) #21 /home/cananian/Projects/Wikimedia/Parsoid/src/Wt2Html/ParserPipelineFactory.php(299): Parsoid\Wt2Html\ParserPipeline->parseToplevelDoc('{{Expand|time=2...', Array) #22 /home/cananian/Projects/Wikimedia/Parsoid/src/WikitextContentModelHandler.php(78): Parsoid\Wt2Html\ParserPipelineFactory->parse('{{Expand|time=2...') #23 /home/cananian/Projects/Wikimedia/Parsoid/src/Parsoid.php(93): Parsoid\WikitextContentModelHandler->toHTML(Object(Parsoid\Config\Env)) #24 /home/cananian/Projects/Wikimedia/Parsoid/src/Parsoid.php(123): Parsoid\Parsoid->parseWikitext(Object(Parsoid\Config\Api\PageConfig), Array) #25 /home/cananian/Projects/Wikimedia/Parsoid/bin/parse.php(255): Parsoid\Parsoid->wikitext2html(Object(Parsoid\Config\Api\PageConfig), Array) #26 /home/cananian/Projects/Wikimedia/Parsoid/bin/parse.php(460): Parse->wt2Html(Array, Array, NULL) #27 /home/cananian/Projects/Wikimedia/Parsoid/tools/doMaintenance.php(53): Parse->execute() #28 /home/cananian/Projects/Wikimedia/Parsoid/bin/parse.php(476): require_once('/home/cananian/...') #29 {main}