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Wikimedia\Rdbms\DBUnexpectedError: Database servers in extension1 are overloaded (2025-04-04)
Closed, DuplicatePublicPRODUCTION ERROR

Description

Steps to replicate the issue (include links if applicable):

What happens?:

MediaWiki internal error.

Original exception: [c978e1ae-1ac4-4b9d-83cf-077c7a3e7609] 2025-04-04 11:55:32: Fatal exception of type "Wikimedia\Rdbms\DBUnexpectedError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.

Event Timeline

Iniquity triaged this task as Unbreak Now! priority.Apr 4 2025, 11:57 AM
Iniquity added a project: SRE.
taavi lowered the priority of this task from Unbreak Now! to Needs Triage.Apr 4 2025, 12:02 PM
taavi edited projects, added Wikimedia-production-error; removed SRE, Wikimedia-Incident.
Restricted Application changed the subtype of this task from "Bug Report" to "Production Error". · View Herald TranscriptApr 4 2025, 12:02 PM

I faced the same issue multiple times in Arabic Wikipedia today. Especially when trying to open this article, or trying to show a preview before saving changes in the source editor for any article.

Screenshot 2025-04-04 151221.png (186×1 px, 13 KB)

Screenshot 2025-04-04 151413.png (305×953 px, 40 KB)

I can confirm this bug on enwiki, but also saw the error while checking notifications on the Android app so this error should be widespread.

That was another circuit break of Wikimedia\Rdbms\DBUnexpectedError: Database servers in extension1 are overloaded. In order to protect application servers, the circuit breaking to databases of this section have been activated. Please try again a few seconds. around 11:55 today.

See also T389734, T390510, T390811.

Aklapper renamed this task from Original exception: [c978e1ae-1ac4-4b9d-83cf-077c7a3e7609] 2025-04-04 11:55:32: Fatal exception of type "Wikimedia\Rdbms\DBUnexpectedError" to Wikimedia\Rdbms\DBUnexpectedError: Database servers in extension1 are overloaded (2025-04-04).Apr 4 2025, 12:36 PM

While going back to https://commons.wikimedia.org/w/index.php?title=Commons:Village_pump&curid=751116&action=history after reading the second-latest grouping at https://commons.wikimedia.org/w/index.php?title=Commons%3AVillage_pump&diff=1017157726&oldid=1017056542 , I got:"MediaWiki internal error.

Original exception: [39b0c36d-6277-44ff-a5f8-46831d023bc6] 2025-04-04 13:10:07: Fatal exception of type "Wikimedia\Rdbms\DBUnexpectedError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information."