Wikimedia\Assert\PostconditionException: Postcondition failed: Parsoid revision did not match requested revision
Open, Needs TriagePublicPRODUCTION ERROR
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Assigned To

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Authored By

	Dreamy_Jazz
	Nov 14 2023, 1:14 PM

Description

Error

Logstash single document

message

[a6c569b9-2a93-426f-ab78-03111a2a40b2] /w/api.php   Wikimedia\Assert\PostconditionException: Postcondition failed: Parsoid revision did not match requested revision

trace

from /srv/mediawiki/php-1.42.0-wmf.4/vendor/wikimedia/assert/src/Assert.php(203)
#0 /srv/mediawiki/php-1.42.0-wmf.4/extensions/DiscussionTools/includes/ApiDiscussionToolsEdit.php(284): Wikimedia\Assert\Assert::postcondition(boolean, string)
#1 /srv/mediawiki/php-1.42.0-wmf.4/includes/api/ApiMain.php(1931): MediaWiki\Extension\DiscussionTools\ApiDiscussionToolsEdit->execute()
#2 /srv/mediawiki/php-1.42.0-wmf.4/includes/api/ApiMain.php(908): ApiMain->executeAction()
#3 /srv/mediawiki/php-1.42.0-wmf.4/includes/api/ApiMain.php(879): ApiMain->executeActionWithErrorHandling()
#4 /srv/mediawiki/php-1.42.0-wmf.4/api.php(95): ApiMain->execute()
#5 /srv/mediawiki/php-1.42.0-wmf.4/api.php(48): wfApiMain()
#6 /srv/mediawiki/w/api.php(3): require(string)
#7 {main}

Impact

Prevented saving a DiscussionTools reply.

Notes

Occurred on https://meta.wikimedia.org/wiki/Talk:Incident_Reporting_System.

Related Objects

Mentioned Here: rEDTO5b1013124d41: ApiDiscussionToolsEdit: Remove unnecessary checks

Event Timeline

Dreamy_Jazz created this task.Nov 14 2023, 1:14 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptNov 14 2023, 1:14 PM

Dreamy_Jazz added a project: DiscussionTools.Nov 14 2023, 1:15 PM

DLynch added a project: Parsoid.Nov 14 2023, 3:29 PM

This is very rare, I see 5 cases in total over the last couple of days. https://logstash.wikimedia.org/goto/46a99602a5e844714902636968dbd1f3

The error is new in rEDTO5b1013124d41: ApiDiscussionToolsEdit: Remove unnecessary checks. Previously it was a warning, and I didn't find any occurrences of them logged – it's possible I looked in the wrong place somehow.

MSantos moved this task from Needs Triage to Tracking on the Parsoid board.Nov 16 2023, 3:19 PM

MSantos edited projects, added Parsoid (Tracking); removed Parsoid.

ppelberg moved this task from Backlog to Triaged on the DiscussionTools board.Nov 30 2023, 4:15 PM

ppelberg added a project: Editing-team (Tracking).

ppelberg moved this task from Backlog to Dependent on others on the Editing-team (Tracking) board.

ppelberg moved this task from Backlog to Dependent on others on the Editing-team (Tracking) board.

@ppelberg Who is this dependent on, and do they know about this? I note that the task is also on the Parsoid workboard, so maybe that's the second party, however it is on their "Tracking" column as well, which suggest both might be pointing elsewhere.

Wikimedia\Assert\PostconditionException: Postcondition failed: Parsoid revision did not match requested revisionOpen, Needs TriagePublicPRODUCTION ERRORActions