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PHP Notice: Undefined offset: 0
Closed, ResolvedPublicPRODUCTION ERROR

Description

Error
normalized_message
[{reqId}] {exception_url}   PHP Notice: Undefined offset: 0
exception.trace
from /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TemplateHandler.php(284)
#0 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TemplateHandler.php(284): MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TemplateHandler.php(975): Wikimedia\Parsoid\Wt2Html\TT\TemplateHandler->resolveTemplateTarget(Wikimedia\Parsoid\Wt2Html\TT\TemplateEncapsulator, string, Wikimedia\Parsoid\Tokens\SourceRange)
#2 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TemplateHandler.php(1097): Wikimedia\Parsoid\Wt2Html\TT\TemplateHandler->expandTemplate(Wikimedia\Parsoid\Wt2Html\TT\TemplateEncapsulator)
#3 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TemplateHandler.php(1142): Wikimedia\Parsoid\Wt2Html\TT\TemplateHandler->onTemplate(Wikimedia\Parsoid\Tokens\SelfclosingTagTk)
#4 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TT/TokenHandler.php(150): Wikimedia\Parsoid\Wt2Html\TT\TemplateHandler->onTag(Wikimedia\Parsoid\Tokens\SelfclosingTagTk)
#5 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TokenTransformManager.php(132): Wikimedia\Parsoid\Wt2Html\TT\TokenHandler->process(array)
#6 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TokenTransformManager.php(195): Wikimedia\Parsoid\Wt2Html\TokenTransformManager->processChunk(array)
#7 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TokenTransformManager.php(193): Wikimedia\Parsoid\Wt2Html\TokenTransformManager->processChunkily(string, array)
#8 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/TreeBuilder/TreeBuilderStage.php(487): Wikimedia\Parsoid\Wt2Html\TokenTransformManager->processChunkily(string, array)
#9 [internal function]: Wikimedia\Parsoid\Wt2Html\TreeBuilder\TreeBuilderStage->processChunkily(string, array)
#10 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/DOMPostProcessor.php(903): Generator->current()
#11 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/ParserPipeline.php(180): Wikimedia\Parsoid\Wt2Html\DOMPostProcessor->processChunkily(string, array)
#12 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wt2Html/ParserPipelineFactory.php(308): Wikimedia\Parsoid\Wt2Html\ParserPipeline->parseChunkily(string, array)
#13 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Wikitext/ContentModelHandler.php(123): Wikimedia\Parsoid\Wt2Html\ParserPipelineFactory->parse(string)
#14 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Parsoid.php(172): Wikimedia\Parsoid\Wikitext\ContentModelHandler->toDOM(Wikimedia\Parsoid\Ext\ParsoidExtensionAPI)
#15 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/src/Parsoid.php(210): Wikimedia\Parsoid\Parsoid->parseWikitext(MediaWiki\Parser\Parsoid\Config\PageConfig, ParserOutput, array)
#16 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/extension/src/Rest/Handler/ParsoidHandler.php(585): Wikimedia\Parsoid\Parsoid->wikitext2html(MediaWiki\Parser\Parsoid\Config\PageConfig, array, NULL, ParserOutput)
#17 /srv/mediawiki/php-1.39.0-wmf.12/vendor/wikimedia/parsoid/extension/src/Rest/Handler/PageHandler.php(88): MWParsoid\Rest\Handler\ParsoidHandler->wt2html(MediaWiki\Parser\Parsoid\Config\PageConfig, array)
#18 /srv/mediawiki/php-1.39.0-wmf.12/includes/Rest/Router.php(412): MWParsoid\Rest\Handler\PageHandler->execute()
#19 /srv/mediawiki/php-1.39.0-wmf.12/includes/Rest/Router.php(336): MediaWiki\Rest\Router->executeHandler(MWParsoid\Rest\Handler\PageHandler)
#20 /srv/mediawiki/php-1.39.0-wmf.12/includes/Rest/EntryPoint.php(167): MediaWiki\Rest\Router->execute(MediaWiki\Rest\RequestFromGlobals)
#21 /srv/mediawiki/php-1.39.0-wmf.12/includes/Rest/EntryPoint.php(132): MediaWiki\Rest\EntryPoint->execute()
#22 /srv/mediawiki/php-1.39.0-wmf.12/rest.php(31): MediaWiki\Rest\EntryPoint::main()
#23 /srv/mediawiki/w/rest.php(3): require(string)
#24 {main}
Impact
Notes

This then causes an exception in the trim that surrounds this.

Details

Request URL
https://zh.wikipedia.org/w/rest.php/zh.wikipedia.org/v3/page/pagebundle/Wikipedia%3A%E6%96%B0%E6%9D%A1%E7%9B%AE%E6%8E%A8%E8%8D%90%2F%E5%80%99%E9%80%89%2FEditnotice%2Fzh-tw/71832664

Event Timeline

ssastry triaged this task as Medium priority.May 27 2022, 4:38 PM
ssastry created this task.

Change 802182 had a related patch set uploaded (by Arlolra; author: Arlolra):

[mediawiki/services/parsoid@master] Only adjust for parser func safesubst in tpl target resolution

https://gerrit.wikimedia.org/r/802182

Change 802182 merged by jenkins-bot:

[mediawiki/services/parsoid@master] Only adjust for parser func safesubst in tpl target resolution

https://gerrit.wikimedia.org/r/802182

Arlolra claimed this task.

Change 803313 had a related patch set uploaded (by Subramanya Sastry; author: Subramanya Sastry):

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.16.0-a11

https://gerrit.wikimedia.org/r/803313

Change 803313 merged by jenkins-bot:

[mediawiki/vendor@master] Bump wikimedia/parsoid to 0.16.0-a11

https://gerrit.wikimedia.org/r/803313