TypeError: null is not an object (evaluating 'this.checkboxesByName.wpWatchthis')
Closed, ResolvedPublicPRODUCTION ERROR
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Assigned To

Authored By

	Jdlrobson
	Feb 6 2023, 7:59 PM

Description

Error

https://logstash.wikimedia.org/app/dashboards#/doc/logstash-*/logstash-default-1-7.0.0-1-2023.02.04?id=VxZwHIYBtuX9hbBwtUkn

mwversion: undefined
reqId: undefined
Find reqId in Logstash

normalized_message

TypeError: null is not an object (evaluating 'this.checkboxesByName.wpWatchthis')

exception.trace

Impact

Notes

208 errors in last 7 days

Details

	Subject	Repo	Branch	Lines +/-
	Avoid error if watchlist has been toggled before editing	mediawiki/extensions/VisualEditor	master	+1 -1

Customize query in gerrit

Event Timeline

Jdlrobson created this task.Feb 6 2023, 7:59 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 6 2023, 7:59 PM

Umherirrender added a project: JavaScript.Feb 6 2023, 9:27 PM

It's inside ve.init.mw.DesktopArticleTarget.prototype.onWatchToggle, and is pretty easy to trigger: watch/unwatch the page and then edit it. It doesn't handle the case of there already being something in the hook-queue and so it running before the page metadata has been parsed to setup the checkboxes.

DLynch edited projects, added VisualEditor; removed DiscussionTools.Feb 6 2023, 9:51 PM

DLynch claimed this task.Feb 6 2023, 9:57 PM

DLynch added a project: Editing-team (Kanban Board).

DLynch moved this task from Incoming to Doing on the Editing-team (Kanban Board) board.

Change 886948 had a related patch set uploaded (by DLynch; author: DLynch):

[mediawiki/extensions/VisualEditor@master] Avoid error if watchlist has been toggled before editing

https://gerrit.wikimedia.org/r/886948

gerritbot added a project: Patch-For-Review.Feb 6 2023, 9:59 PM

DLynch moved this task from Doing to Code Review on the Editing-team (Kanban Board) board.Feb 6 2023, 10:00 PM

Change 886948 merged by jenkins-bot:

[mediawiki/extensions/VisualEditor@master] Avoid error if watchlist has been toggled before editing

https://gerrit.wikimedia.org/r/886948

DLynch moved this task from Code Review to QA on the Editing-team (Kanban Board) board.Feb 6 2023, 10:55 PM

DLynch added a project: Editing QA.

ReleaseTaggerBot added a project: MW-1.40-notes (1.40.0-wmf.22; 2023-02-06).Feb 6 2023, 11:00 PM

Maintenance_bot removed a project: Patch-For-Review.Feb 6 2023, 11:30 PM

EAkinloose edited projects, added Verified; removed Editing QA.Feb 7 2023, 9:25 PM

EAkinloose moved this task from QA to Ready for Sign Off on the Editing-team (Kanban Board) board.

thcipriani moved this task from Untriaged to Feb 2023 on the Wikimedia-production-error board.Feb 9 2023, 4:45 PM

• ppelberg closed this task as Resolved.Mar 4 2023, 12:43 AM

TypeError: null is not an object (evaluating 'this.checkboxesByName.wpWatchthis')Closed, ResolvedPublicPRODUCTION ERRORActions