TypeError: elem is undefined
Closed, InvalidPublicPRODUCTION ERROR
Actions

Assigned To

None

Authored By

	cjming
	May 18 2022, 7:40 PM

Description

Error

mwversion: 1.39
reqId: 461696b1-3d26-4c6b-9313-66338e10c3a1
Find reqId in Logstash

normalized_message

TypeError: elem is undefined

exception.trace

	at jQuery.filter https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:41:606
at winnow https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:41:483
at filter https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:42:202
at gatherOOUIModules https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:715:201
at https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:716:971
at each https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:5:285
at each https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:3:93
at https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:715:803
at fire https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:46:934
at add https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:47:454
at https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:715:779
at fire https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:743:636
at https://www.wikidata.org/wiki/Special:WhatLinksHere/Q111794957 line 10 > injectedScript:710:3307
at mightThrow https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:49:881
at Deferred/then/resolve/</process< https://www.wikidata.org/w/load.php?lang=fr&modules=jquery%2Coojs-ui-core%2Coojs-ui-widgets%7Cjquery.ui%7Cmw.config.values.wbSiteDetails%7Cwikibase.view.ControllerViewFactory&skin=vector&version=wxpzq:50:544

Impact

~450 in last 12 hours - https://logstash.wikimedia.org/goto/405c6ddf0c5d51bb5a499f22516253d7

Notes

all error instances seem to originate from Special:Whatlinkshere pages

seems to be affecting wikidata, commons, itwiki

not sure what other tags are needed for this issue

Event Timeline

cjming created this task.May 18 2022, 7:40 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 18 2022, 7:40 PM

cjming updated the task description. (Show Details)May 18 2022, 7:41 PM

The form on Special:Whatlinkshere changed after this task was opened in https://gerrit.wikimedia.org/r/c/mediawiki/core/+/791710

The word injectedScript may indicate user scripts loaded on the special page

Umherirrender unsubscribed.Jun 19 2022, 7:32 PM

There appears to be no indication in the stack trace or other metadata that this is caused by software we maintain. Without at least one component or team tag, this will likely not be triaged or acted on by anyone.

TypeError: elem is undefinedClosed, InvalidPublicPRODUCTION ERRORActions