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PHP Notice: Undefined index: _explanation
Closed, ResolvedPublicPRODUCTION ERROR

Description

Error

MediaWiki version: 1.35.0-wmf.41

message
PHP Notice: Undefined index: _explanation

Impact

Notes

This might have been influenced by a temporary issue on the back end...so we don't expect this to happen frequently, but it's worth taking a look at.

Details

Request ID
9d5172b0-7609-4e2d-bf1b-8bc4bd22b7cc
Request URL
https://en.wikipedia.org/w/index.php?title=Special:Search&limit=500&offset=0&profile=default&search=file%3Ahuman&advancedSearch-current={}&ns0=1&cirrusDumpResult&cirrusExplain=pretty
Stack Trace
exception.trace
#0 /srv/mediawiki/php-1.35.0-wmf.41/extensions/CirrusSearch/includes/ExplainPrinter.php(52): MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.35.0-wmf.41/extensions/CirrusSearch/includes/Searcher.php(793): CirrusSearch\ExplainPrinter->format(array)
#2 /srv/mediawiki/php-1.35.0-wmf.41/extensions/CirrusSearch/includes/CirrusSearch.php(307): CirrusSearch\Searcher->processRawReturn(array, WebRequest)
#3 /srv/mediawiki/php-1.35.0-wmf.41/extensions/CirrusSearch/includes/CirrusSearch.php(245): CirrusSearch\CirrusSearch->searchTextReal(CirrusSearch\Search\SearchQuery)
#4 /srv/mediawiki/php-1.35.0-wmf.41/includes/search/SearchEngine.php(95): CirrusSearch\CirrusSearch->doSearchText(string)
#5 /srv/mediawiki/php-1.35.0-wmf.41/includes/search/SearchEngine.php(187): SearchEngine->{closure}()
#6 /srv/mediawiki/php-1.35.0-wmf.41/includes/search/SearchEngine.php(96): SearchEngine->maybePaginate(Closure)
#7 /srv/mediawiki/php-1.35.0-wmf.41/includes/specials/SpecialSearch.php(388): SearchEngine->searchText(string)
#8 /srv/mediawiki/php-1.35.0-wmf.41/includes/specials/SpecialSearch.php(179): SpecialSearch->showResults(string)
#9 /srv/mediawiki/php-1.35.0-wmf.41/includes/specialpage/SpecialPage.php(600): SpecialSearch->execute(NULL)
#10 /srv/mediawiki/php-1.35.0-wmf.41/includes/specialpage/SpecialPageFactory.php(635): SpecialPage->run(NULL)
#11 /srv/mediawiki/php-1.35.0-wmf.41/includes/MediaWiki.php(307): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext)
#12 /srv/mediawiki/php-1.35.0-wmf.41/includes/MediaWiki.php(940): MediaWiki->performRequest()
#13 /srv/mediawiki/php-1.35.0-wmf.41/includes/MediaWiki.php(543): MediaWiki->main()
#14 /srv/mediawiki/php-1.35.0-wmf.41/index.php(53): MediaWiki->run()
#15 /srv/mediawiki/php-1.35.0-wmf.41/index.php(46): wfIndexMain()
#16 /srv/mediawiki/w/index.php(3): require(string)
#17 {main}

Event Timeline

Restricted Application added a subscriber: Aklapper. · View Herald Transcript

Hi @jeena , is this blocking you in some way, or are you just letting us know? Thanks!

This happen due to &cirrusExplain=pretty on the url and with an invalid result.

This debug information should be smart to understand broken formats to be helpful as debug info

Hi @CBogen, no, this is just a result of our weekly train log triage where we try to make tasks for recurring bugs so that we can remove them from our logging dashboard. Thanks for checking!

This is related to @dcausse or @EBernhardson doing investigation, we can ignore that

Gehel claimed this task.