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PHP error: "Undefined index: subtitle" from SpecialCollection
Closed, ResolvedPublic

Description

Error

Request URL: https://en.wikipedia.org/wiki/Special:Book
Request ID: XOwxIgpAAEMAAEWmaxgAAAAP

message
PHP Notice: Undefined index: subtitle
trace (since 1.34-wmf.6)
#0 /srv/mediawiki/php-1.34.0-wmf.6/extensions/Collection/includes/Specials/SpecialCollection.php(1013): MWExceptionHandler::handleError(integer, string, string, integer, array, array)
#1 /srv/mediawiki/php-1.34.0-wmf.6/extensions/Collection/includes/Specials/SpecialCollection.php(374): SpecialCollection->saveCollection(Title, boolean)
#2 /srv/mediawiki/php-1.34.0-wmf.6/extensions/Collection/includes/Specials/SpecialCollection.php(241): SpecialCollection->processSaveCollectionCommand()
#3 /srv/mediawiki/php-1.34.0-wmf.6/includes/specialpage/SpecialPage.php(570): SpecialCollection->execute(NULL)
#4 /srv/mediawiki/php-1.34.0-wmf.6/includes/specialpage/SpecialPageFactory.php(575): SpecialPage->run(NULL)
#5 /srv/mediawiki/php-1.34.0-wmf.6/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#6 /srv/mediawiki/php-1.34.0-wmf.6/includes/MediaWiki.php(865): MediaWiki->performRequest()
#7 /srv/mediawiki/php-1.34.0-wmf.6/includes/MediaWiki.php(515): MediaWiki->main()
#8 /srv/mediawiki/php-1.34.0-wmf.6/index.php(42): MediaWiki->run()
trace (upto 1.34-wmf.5)
#0 /srv/mediawiki/php-1.34.0-wmf.4/extensions/Collection/Collection.body.php(1013): MWExceptionHandler::handleError(integer, string, string, integer, array, array)
#1 /srv/mediawiki/php-1.34.0-wmf.4/extensions/Collection/Collection.body.php(374): SpecialCollection->saveCollection(Title, boolean)
#2 /srv/mediawiki/php-1.34.0-wmf.4/extensions/Collection/Collection.body.php(241): SpecialCollection->processSaveCollectionCommand()
#3 /srv/mediawiki/php-1.34.0-wmf.4/includes/specialpage/SpecialPage.php(569): SpecialCollection->execute(NULL)
#4 /srv/mediawiki/php-1.34.0-wmf.4/includes/specialpage/SpecialPageFactory.php(575): SpecialPage->run(NULL)
#5 /srv/mediawiki/php-1.34.0-wmf.4/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#6 /srv/mediawiki/php-1.34.0-wmf.4/includes/MediaWiki.php(865): MediaWiki->performRequest()
#7 /srv/mediawiki/php-1.34.0-wmf.4/includes/MediaWiki.php(515): MediaWiki->main()
#8 /srv/mediawiki/php-1.34.0-wmf.4/index.php(42): MediaWiki->run()

Impact

Unknown.

Notes

Seen since at least 1.34-wmf.3, possibly longer.

Might be similar to T189636, which affected a different file entry point from the same code base.

Event Timeline

Krinkle created this task.May 27 2019, 7:39 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 27 2019, 7:39 PM
Krinkle triaged this task as Normal priority.May 27 2019, 7:40 PM
Krinkle updated the task description. (Show Details)
Krinkle moved this task from Untriaged to Found longer ago on the Wikimedia-production-error board.

Change 527127 had a related patch set uploaded (by Ppchelko; owner: Ppchelko):
[mediawiki/extensions/Collection@master] Ensure required properties are present in collection.

https://gerrit.wikimedia.org/r/527127

Change 527127 merged by jenkins-bot:
[mediawiki/extensions/Collection@master] Ensure required properties are present in collection.

https://gerrit.wikimedia.org/r/527127

Pchelolo closed this task as Resolved.Aug 8 2019, 7:36 PM
mmodell changed the subtype of this task from "Task" to "Production Error".Wed, Aug 28, 11:06 PM