Special:ListRedirects crashes on invalid title: PageIdentity does not represent a proper page
Closed, ResolvedPublicPRODUCTION ERROR
Actions

Assigned To

Authored By

	PeterBowman
	Apr 10 2021, 10:09 PM

Description

Traceback of https://test.wikipedia.org/w/index.php?title=Special:ListRedirects&limit=1000&offset=2000 at 1.36.0-wmf.38 (rMW783a4e694c93).

[334337ec-fd38-4450-91c6-90d66fb475b7] /w/index.php?title=Special:ListRedirects&limit=1000&offset=2000 InvalidArgumentException: The given PageIdentity does not represent a proper page

Backtrace:

from /srv/mediawiki/php-1.36.0-wmf.38/includes/page/WikiPageFactory.php(59)
#0 /srv/mediawiki/php-1.36.0-wmf.38/includes/specials/SpecialListRedirects.php(133): MediaWiki\Page\WikiPageFactory->newFromTitle(Title)
#1 /srv/mediawiki/php-1.36.0-wmf.38/includes/specials/SpecialListRedirects.php(110): SpecialListRedirects->getRedirectTarget(stdClass)
#2 /srv/mediawiki/php-1.36.0-wmf.38/includes/specialpage/QueryPage.php(728): SpecialListRedirects->preprocessResults(Wikimedia\Rdbms\DBConnRef, Wikimedia\Rdbms\ResultWrapper)
#3 /srv/mediawiki/php-1.36.0-wmf.38/includes/specials/SpecialListRedirects.php(171): QueryPage->execute(NULL)
#4 /srv/mediawiki/php-1.36.0-wmf.38/includes/specialpage/SpecialPage.php(646): SpecialListRedirects->execute(NULL)
#5 /srv/mediawiki/php-1.36.0-wmf.38/includes/specialpage/SpecialPageFactory.php(1382): SpecialPage->run(NULL)
#6 /srv/mediawiki/php-1.36.0-wmf.38/includes/MediaWiki.php(309): MediaWiki\SpecialPage\SpecialPageFactory->executePath(Title, RequestContext)
#7 /srv/mediawiki/php-1.36.0-wmf.38/includes/MediaWiki.php(913): MediaWiki->performRequest()
#8 /srv/mediawiki/php-1.36.0-wmf.38/includes/MediaWiki.php(546): MediaWiki->main()
#9 /srv/mediawiki/php-1.36.0-wmf.38/index.php(53): MediaWiki->run()
#10 /srv/mediawiki/php-1.36.0-wmf.38/index.php(46): wfIndexMain()
#11 /srv/mediawiki/w/index.php(3): require(string)
#12 {main}

Narrowing down on this, the last correctly retrieved item is #2857 (URL) at time of writing, i.e. I start getting errors after this:

Thread:Wikipedia talk:LQT Test 2015-04-28 19/subject 1/reply →‎ Topic:Sgc941v7zkzemw3b#flow-post-sgc947tbkq90qgsz

Details

	Subject	Repo	Branch	Lines +/-
	Ignore pages that can't exist on Special:ListRedirects	mediawiki/core	master	+3 -0

Customize query in gerrit

Related Objects

Mentioned Here: T287642: InvalidArgumentException: The given PageIdentity does not represent a proper page
rMW783a4e694c93: Update git submodules

Event Timeline

PeterBowman created this task.Apr 10 2021, 10:09 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptApr 10 2021, 10:09 PM

Error

mwversion: 1.37.0-wmf.23
reqId: e2b91523-1a25-4cf7-8290-316f37fc36d3
Find reqId in Logstash
Find normalized_message in Logstash

normalized_message

[{reqId}] {exception_url}   InvalidArgumentException: The given PageIdentity does not represent a proper page

exception.trace

from /srv/mediawiki/php-1.37.0-wmf.23/includes/page/WikiPageFactory.php(60)
#0 /srv/mediawiki/php-1.37.0-wmf.23/includes/specials/SpecialListRedirects.php(133): MediaWiki\Page\WikiPageFactory->newFromTitle(Title)
#1 /srv/mediawiki/php-1.37.0-wmf.23/includes/specials/SpecialListRedirects.php(110): SpecialListRedirects->getRedirectTarget(stdClass)
#2 /srv/mediawiki/php-1.37.0-wmf.23/includes/specialpage/QueryPage.php(750): SpecialListRedirects->preprocessResults(Wikimedia\Rdbms\DBConnRef, Wikimedia\Rdbms\MysqliResultWrapper)
#3 /srv/mediawiki/php-1.37.0-wmf.23/includes/specials/SpecialListRedirects.php(171): QueryPage->execute(NULL)
#4 /srv/mediawiki/php-1.37.0-wmf.23/includes/specialpage/SpecialPage.php(647): SpecialListRedirects->execute(NULL)
#5 /srv/mediawiki/php-1.37.0-wmf.23/includes/specialpage/SpecialPageFactory.php(1366): SpecialPage->run(NULL)
#6 /srv/mediawiki/php-1.37.0-wmf.23/includes/MediaWiki.php(314): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext)
#7 /srv/mediawiki/php-1.37.0-wmf.23/includes/MediaWiki.php(925): MediaWiki->performRequest()
#8 /srv/mediawiki/php-1.37.0-wmf.23/includes/MediaWiki.php(559): MediaWiki->main()
#9 /srv/mediawiki/php-1.37.0-wmf.23/index.php(53): MediaWiki->run()
#10 /srv/mediawiki/php-1.37.0-wmf.23/index.php(46): wfIndexMain()
#11 /srv/mediawiki/w/index.php(3): require(string)
#12 {main}

Notes

Happened once in the past 4 hours
Message appears about 30 times per week (possibly with a slightly different stacktrace) across multiple wikis

thcipriani moved this task from Untriaged to Older on the Wikimedia-production-error board.Sep 22 2021, 6:47 PM

Change 723675 had a related patch set uploaded (by Zabe; author: Zabe):

[mediawiki/core@master] Ignore pages that can't exist at Special:ListRedirects

https://gerrit.wikimedia.org/r/723675

gerritbot added a project: Patch-For-Review.Sep 25 2021, 2:34 PM

Zabe subscribed.Sep 25 2021, 2:37 PM

The failure indicates something wrong on the database and may need a namespaceDupes.php run to cleanup the redirect or page table. But the patch set would avoid fatal, which is also a good aproach.

Change 723675 merged by jenkins-bot:

[mediawiki/core@master] Ignore pages that can't exist on Special:ListRedirects

https://gerrit.wikimedia.org/r/723675

ReleaseTaggerBot added a project: MW-1.38-notes (1.38.0-wmf.2; 2021-09-28).Sep 26 2021, 8:00 PM

Maintenance_bot removed a project: Patch-For-Review.Sep 26 2021, 8:10 PM