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Maniphest T166068

German Wikipedia's main page shows significantly stale content
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Description

German Android readers are reporting that the main page is showing content for prior days. This appears to be an issue with the RESTBase endpoint: https://de.wikipedia.org/api/rest_v1/page/html/Wikipedia:Hauptseite.

Have we introduced differential caching by namespace somewhere? This has previously caused issues for the dewiki main page, which is under the Wikipedia namespace rather than the main namespace.

See also:
T123272: Main page doesn't get updated
T126979: [Bug] Still loading a stale Main Page with content service enabled
T131554: Android beta app loads an old "Article of the day" (at least for dewiki)

Details

ProjectBranchLines +/-Subject
mediawiki/services/parsoid/deploymaster+1 -1Bump to deploy-2017-05-25
Customize query in gerrit

Related Objects

Event Timeline

Niedzielski created this task.May 22 2017, 3:48 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptMay 22 2017, 3:48 PM
• NHarateh_WMF moved this task from Needs Triage to Tracking on the Wikipedia-Android-App-Backlog board.May 24 2017, 3:30 PM
• Mholloway added a project: Mobile-Content-Service.May 24 2017, 3:30 PM
Restricted Application added a project: Product-Infrastructure-Team-Backlog-Deprecated. · View Herald TranscriptMay 24 2017, 3:30 PM
Restricted Application added a project: Product-Infrastructure-Team-Backlog-Deprecated. · View Herald Transcript
• Mholloway added a subscriber: • Mholloway.May 25 2017, 7:00 PM
• Mholloway renamed this task from German Wikipedia's main page stuck on May 15th to German Wikipedia's main page shows old content.May 25 2017, 7:03 PM
• Mholloway updated the task description. (Show Details)
• Mholloway updated the task description. (Show Details)
Niedzielski renamed this task from German Wikipedia's main page shows old content to German Wikipedia's main page shows significantly stale content.May 25 2017, 7:22 PM
• Pchelolo claimed this task.EditedMay 25 2017, 7:32 PM
• Pchelolo added a project: Parsoid.
• Pchelolo added subscribers: ssastry, • Pchelolo.

I've tracked it down to a problem in Parsoid and title validation. Perhaps some weird link or template was included so right now Parsoid is not able to parse this page.

The exception is: https://logstash.wikimedia.org/app/kibana#/doc/logstash-*/logstash-2017.05.25/restbase?id=AVxBJvpxqfND4HJ7OyXb&_g=()

What's worse is that it kills a Parsoid worker

Arlolra added a subscriber: Arlolra.May 25 2017, 8:40 PM

This is a Parsoid regression caused by https://github.com/wikimedia/parsoid/commit/d293b49456ea230ce59c79d825ae9fbbb383f7ca

• Pchelolo removed • Pchelolo as the assignee of this task.May 25 2017, 8:43 PM
• Pchelolo edited projects, added Services (watching); removed RESTBase.

Unassigning this from myself since Parsoid is the cause of this.

Please prioritize accordingly, the android app is severely affected by this for Android App users.

gerritbot added a subscriber: gerritbot.May 25 2017, 8:48 PM

Change 355690 had a related patch set uploaded (by Arlolra; owner: Arlolra):
[mediawiki/services/parsoid/deploy@master] Bump to deploy-2017-05-25

https://gerrit.wikimedia.org/r/355690

gerritbot added a project: Patch-For-Review.May 25 2017, 8:48 PM
Arlolra mentioned this in T161151: Parsoid should resolve template paths before providing them to Linter.May 25 2017, 9:07 PM
gerritbot added a comment.May 25 2017, 9:12 PM

Change 355690 merged by jenkins-bot:
[mediawiki/services/parsoid/deploy@master] Bump to deploy-2017-05-25

https://gerrit.wikimedia.org/r/355690

Elitre added a subscriber: Elitre.May 25 2017, 9:28 PM
Stashbot added a subscriber: Stashbot.May 25 2017, 9:31 PM

Mentioned in SAL (#wikimedia-operations) [2017-05-25T21:31:03Z] <arlolra> Updated Parsoid to rGPAR5b52d07ba74a (T166068)

Arlolra closed this task as Resolved.May 25 2017, 9:34 PM
Arlolra claimed this task.
• mobrovac removed a project: Patch-For-Review.May 29 2017, 6:50 PM
• mobrovac added a subscriber: • mobrovac.

Thank you @Arlolra for the quick resolution!

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