Uncaught TypeError: Cannot read property 'getMainText' of null (TypeError: config.title is null)
Open, MediumPublicPRODUCTION ERROR
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Assigned To

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Authored By

	Jdlrobson
	Sep 9 2020, 7:43 PM

Description

Error

https://logstash.wikimedia.org/app/kibana#/doc/logstash-*/logstash-2020.09.09/clienterror/?id=AXR0XkapMQ_08tQaNqcf
https://gerrit.wikimedia.org/g/mediawiki/core/+/dcc88f70f414afbdb52c901960aacc112f18770d/resources/src/mediawiki.widgets/mw.widgets.CategoryTagItemWidget.js#127

MediaWiki version: n/a

message

Uncaught TypeError: Cannot read property 'getMainText' of null

Impact

Notes

Details

Request ID: undefined
Request URL: https://commons.wikimedia.org/wiki/Special:UploadWizard

Stack Trace

exception.trace

at new MWWCategoryTagItemWidget  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:1220:230
at MWCategoryMultiselectWidget.mw.widgets.CategoryMultiselectWidget.createTagItemWidget  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:1224:281
at MWCategoryMultiselectWidget.UWCategoriesDetailsWidget.categoriesWidget.createTagItemWidget  https://commons.wikimedia.org/w/load.php?lang=it&modules=ext.uploadWizard%7Cext.uploadWizard.page&skin=vector&version=1gdgm:125:942
at MWCategoryMultiselectWidget.OO.ui.TagMultiselectWidget.addTag  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:507:429
at MWCategoryMultiselectWidget.OO.ui.TagMultiselectWidget.addTagFromInput  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:506:6
at MWCategoryMultiselectWidget.OO.ui.TagMultiselectWidget.onInputBlur  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:503:267
at HTMLInputElement.dispatch  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:69:742
at HTMLInputElement.elemData.handle  https://commons.wikimedia.org/w/load.php?lang=it&modules=...&skin=vector&version=wget3:66:388

Related Objects

Duplicates Merged Here: T262840: TypeError: config.title is null at MWWCategoryTagItemWidget

Event Timeline

Jdlrobson created this task.Sep 9 2020, 7:43 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 9 2020, 7:43 PM

matmarex edited Stack Trace. (Show Details)Sep 14 2020, 8:06 PM

matmarex merged a task: T262840: TypeError: config.title is null at MWWCategoryTagItemWidget .

matmarex added a project: UploadWizard.

Jdlrobson renamed this task from Uncaught TypeError: Cannot read property 'getMainText' of null to Uncaught TypeError: Cannot read property 'getMainText' of null (TypeError: config.title is null).Sep 14 2020, 9:26 PM

Umherirrender added a project: JavaScript.Sep 16 2020, 7:19 PM

Jdlrobson moved this task from Untriaged to Old on the Wikimedia-production-error board.Sep 16 2020, 11:44 PM

Jdlrobson added a project: Structured-Data-Backlog.Oct 23 2020, 9:53 PM

CBogen moved this task from Triage to Needs Discussion on the Structured-Data-Backlog board.Oct 26 2020, 9:09 PM

Notes from a quick perusal of logstash: ~60 of these errors in the past 7 days, so not exactly a universal occurrence but not completely uncommon either. Unclear what effect this might have on the UI or if the users were able to circumvent the error somehow...in any case, I suspect this is something changing somewhere upstream and us needing to update the UW code. I feel like we've seen this bug before as well, but can't recall what exactly the issue was.

Marking as medium for now, but not sure whether this is severe enough for us to jump on it immediately (especially given likely disruptions throughout this month)

In T262466#6597534, @MarkTraceur wrote:

Notes from a quick perusal of logstash: ~60 of these errors in the past 7 days, so not exactly a universal occurrence but not completely uncommon either.

Note that this data does not currently include English Wikipedia (not sure if that's relevant here).

In T262466#6597546, @Jdlrobson wrote:

Note that this data does not currently include English Wikipedia (not sure if that's relevant here).

Well, UploadWizard isn't enabled on enwp so that makes sense :)

Jdlrobson awarded a token.Nov 2 2020, 6:20 PM

CBogen moved this task from Needs Discussion to Multimedia on the Structured-Data-Backlog board.Nov 9 2020, 3:41 PM

Uncaught TypeError: Cannot read property 'getMainText' of null (TypeError: config.title is null)Open, MediumPublicPRODUCTION ERRORActions