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TypeError: document.body is null
Closed, ResolvedPublic0 Estimated Story PointsPRODUCTION ERROR

Description

Error
  • mwversion: 1
  • reqId: 789b2dff-e225-479e-b0e7-b335d12fe0b2
normalized_message
TypeError: document.body is null
exception.trace
at logEvent https://fr.wikipedia.org/w/load.php?lang=fr&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.uls.common%2Ccompactlinks%2Cinterface%2Cpreferences%2Cwebfonts%7Cjquery%2Coojs%2Coojs-router%2Csite%7Cjquery.client%2Ccookie%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmmv.bootstrap%2Chead%7Cmmv.bootstrap.autostart%7Cskins.vector.es6%2Cjs%7Cskins.vector.icons.js%7Cuser.defaults&skin=vector&version=uy0rj:118:970
at desktopWebUIActions.js/< https://fr.wikipedia.org/w/load.php?lang=fr&modules=ext.centralNotice.bannerHistoryLogger%2CchoiceData%2Cdisplay%2CgeoIP%2CimpressionDiet%2CkvStore%2ClargeBannerLimit%2ClegacySupport%2CstartUp%7Cext.centralauth.centralautologin%7Cext.cite.ux-enhancements%7Cext.cx.eventlogging.campaigns%7Cext.eventLogging%2CnavigationTiming%2Cpopups%2CwikimediaEvents%7Cext.growthExperiments.SuggestedEditSession%7Cext.quicksurveys.init%2Clib%7Cext.uls.common%2Ccompactlinks%2Cinterface%2Cpreferences%2Cwebfonts%7Cjquery%2Coojs%2Coojs-router%2Csite%7Cjquery.client%2Ccookie%2Cspinner%2CtextSelection%7Cjquery.spinner.styles%7Cjquery.uls.data%7Cmediawiki.String%2CTitle%2CUri%2Capi%2Cbase%2Ccldr%2Ccookie%2Cexperiments%2CjqueryMsg%2Clanguage%2Cstorage%2Ctoc%2Cuser%2Cutil%2CvisibleTimeout%7Cmediawiki.editfont.styles%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.ready%7Cmmv.bootstrap%2Chead%7Cmmv.bootstrap.autostart%7Cskins.vector.es6%2Cjs%7Cskins.vector.icons.js%7Cuser.defaults&skin=vector&version=uy0rj:119:568
Impact

~160 errors in last 12 hours

seems to affect a bunch of wikis - fr, de, en, sv, el, pt, eu, da, commons, etc

Notes

this could be a dupe of T263554 and/or T263079

Event Timeline

Yeh just to confirm this is a duplicate of the declined T263554. There's no way in logstash to mark "known bugs". 285 errors a day is quite low but we should monitor this as we roll out click tracking further.

Change 745574 had a related patch set uploaded (by Jdlrobson; author: Jdlrobson):

[mediawiki/extensions/WikimediaEvents@master] Delay `init` event to when document is ready

https://gerrit.wikimedia.org/r/745574

Jdlrobson triaged this task as Medium priority.Dec 9 2021, 9:38 PM
Jdlrobson set the point value for this task to 0.

Change 745574 merged by jenkins-bot:

[mediawiki/extensions/WikimediaEvents@master] Delay `init` event to when document is ready

https://gerrit.wikimedia.org/r/745574

Seeing the error clearly trail off

Screen Shot 2021-12-17 at 10.00.17 AM.png (2,878×342 px, 55 KB)

Remaining errors seem to relate to https://zh.wikipedia.org/w/index.php?title=MediaWiki:Gadget-SpecialWikitext.js