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TypeError: MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder::addAssignment(): Argument #2 ($groupName) must be of type string, null given, called in /srv/mediawiki/php-1.45.0-wmf.22/extensions/Metrics
Closed, ResolvedPublic2 Estimated Story PointsPRODUCTION ERROR
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Description

Error
  • service.version: 1.45.0-wmf.22
  • timestamp: 2025-10-14T08:39:43.582Z
  • labels.phpversion: 8.1.33
  • trace.id: 5c8091b2-d2ba-433c-8c23-4309ded57858
  • Find trace.id in Logstash
labels.normalized_message
[{reqId}] {exception_url}   TypeError: MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder::addAssignment(): Argument #2 ($groupName) must be of type string, null given, called in /srv/mediawiki/php-1.45.0-wmf.22/extensions/Metrics
FrameLocationCall
from/srv/mediawiki/php-1.45.0-wmf.22/extensions/MetricsPlatform/includes/XLab/Enrollment/EnrollmentResultBuilder.php(23)
#0/srv/mediawiki/php-1.45.0-wmf.22/extensions/MetricsPlatform/includes/XLab/Enrollment/OverridesEnrollmentAuthority.php(59)MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder->addAssignment(string, null, bool)
#1/srv/mediawiki/php-1.45.0-wmf.22/extensions/MetricsPlatform/includes/XLab/Enrollment/EnrollmentAuthority.php(27)MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\OverridesEnrollmentAuthority->enrollUser(MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentRequest, MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder)
#2/srv/mediawiki/php-1.45.0-wmf.22/extensions/MetricsPlatform/includes/XLab/Hooks.php(88)MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentAuthority->enrollUser(MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentRequest, MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder)
#3/srv/mediawiki/php-1.45.0-wmf.22/includes/HookContainer/HookContainer.php(141)MediaWiki\Extension\MetricsPlatform\XLab\Hooks->onBeforeInitialize(MediaWiki\Title\Title, null, MediaWiki\Output\OutputPage, MediaWiki\User\User, MediaWiki\Request\WebRequest, MediaWiki\Actions\ActionEntryPoint)
#4/srv/mediawiki/php-1.45.0-wmf.22/includes/HookContainer/HookRunner.php(1045)MediaWiki\HookContainer\HookContainer->run(string, array)
#5/srv/mediawiki/php-1.45.0-wmf.22/includes/actions/ActionEntryPoint.php(381)MediaWiki\HookContainer\HookRunner->onBeforeInitialize(MediaWiki\Title\Title, null, MediaWiki\Output\OutputPage, MediaWiki\User\User, MediaWiki\Request\WebRequest, MediaWiki\Actions\ActionEntryPoint)
#6/srv/mediawiki/php-1.45.0-wmf.22/includes/actions/ActionEntryPoint.php(143)MediaWiki\Actions\ActionEntryPoint->performRequest()
#7/srv/mediawiki/php-1.45.0-wmf.22/includes/MediaWikiEntryPoint.php(184)MediaWiki\Actions\ActionEntryPoint->execute()
#8/srv/mediawiki/php-1.45.0-wmf.22/index.php(44)MediaWiki\MediaWikiEntryPoint->run()
#9/srv/mediawiki/w/index.php(3)require(string)
#10{main}
Impact
Notes

Details

Request URL
https://commons.wikimedia.org/w/index.php?mpo=*
Related Changes in Gerrit:
SubjectAuthorRepoBranchLines +/-
OverridesEnrollmentAuthority: Stop processing override if it is malformedPhuedxmediawiki/extensions/MetricsPlatformmaster+52 -7
Remove $wgMetricsPlatformEnableExperimentOverrides config variablePhuedxmediawiki/extensions/MetricsPlatformmaster+8 -81
Customize query in gerrit

Related Objects

Event Timeline

hashar created this task.Oct 14 2025, 8:49 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptOct 14 2025, 8:49 AM
phuedx claimed this task.Oct 14 2025, 8:55 AM
phuedx added a project: Test Kitchen (Experiment Platform Sprint 13).
phuedx set the point value for this task to 2.

Examples from @hashar:

https://commons.wikimedia.org/w/index.php?mpo=51qdu1
https://commons.wikimedia.org/w/index.php?mpo=zd3vj1&mpp=c38pqi
https://commons.wikimedia.org/w/index.php?mpn=bmq7ux&mpo=j91xgj&mpp=7j3fti

phuedx moved this task from Ready for Development to In Progress on the Test Kitchen (Experiment Platform Sprint 13) board.Oct 14 2025, 11:05 AM
gerritbot added a comment.Oct 14 2025, 12:09 PM

Change #1196041 had a related patch set uploaded (by Phuedx; author: Phuedx):

[mediawiki/extensions/MetricsPlatform@master] Remove $wgMetricsPlatformEnableExperimentOverrides config variable

https://gerrit.wikimedia.org/r/1196041

gerritbot added a project: Patch-For-Review.Oct 14 2025, 12:09 PM

Change #1196042 had a related patch set uploaded (by Phuedx; author: Phuedx):

[mediawiki/extensions/MetricsPlatform@master] OverridesEnrollmentAuthority: Stop processing override if it is malformed

https://gerrit.wikimedia.org/r/1196042

phuedx moved this task from In Progress to Needs Review on the Test Kitchen (Experiment Platform Sprint 13) board.Oct 14 2025, 12:09 PM
Milimetric edited projects, added: Test Kitchen (Experiment Platform Sprint 14); removed: Test Kitchen (Experiment Platform Sprint 13).Oct 15 2025, 4:38 PM
Milimetric moved this task from Ready for Development to Needs Review on the Test Kitchen (Experiment Platform Sprint 14) board.
Sfaci moved this task from Needs Review to To Deploy on the Test Kitchen (Experiment Platform Sprint 14) board.Oct 15 2025, 6:04 PM
Sfaci moved this task from To Deploy to Needs Review on the Test Kitchen (Experiment Platform Sprint 14) board.Oct 15 2025, 10:08 PM
gerritbot added a comment.Oct 17 2025, 1:29 PM

Change #1196041 merged by jenkins-bot:

[mediawiki/extensions/MetricsPlatform@master] Remove $wgMetricsPlatformEnableExperimentOverrides config variable

https://gerrit.wikimedia.org/r/1196041

jenkins-bot mentioned this in rEMPL946f49dade92: Remove $wgMetricsPlatformEnableExperimentOverrides config variable.Oct 17 2025, 1:30 PM
ReleaseTaggerBot added a project: MW-1.45-notes (1.45.0-wmf.24; 2025-10-21).Oct 17 2025, 2:00 PM
gerritbot added a comment.Oct 17 2025, 2:04 PM

Change #1196042 merged by jenkins-bot:

[mediawiki/extensions/MetricsPlatform@master] OverridesEnrollmentAuthority: Stop processing override if it is malformed

https://gerrit.wikimedia.org/r/1196042

phuedx mentioned this in rEMPLcd87591ce859: OverridesEnrollmentAuthority: Stop processing override if it is malformed.Oct 17 2025, 2:04 PM
Maintenance_bot removed a project: Patch-For-Review.Oct 17 2025, 2:31 PM
Sfaci moved this task from Needs Review to To Deploy on the Test Kitchen (Experiment Platform Sprint 14) board.Oct 17 2025, 2:51 PM
Sfaci moved this task from To Deploy to Done on the Test Kitchen (Experiment Platform Sprint 14) board.Oct 27 2025, 9:10 AM
Pppery merged a task: T408000: TypeError: MediaWiki\Extension\MetricsPlatform\XLab\Enrollment\EnrollmentResultBuilder::addAssignment(): Argument #2 ($groupName) must be of type string, null given, called in /srv/mediawiki/php-1.45.0-wmf.23/extensions/Metrics.Oct 28 2025, 1:50 AM
Pppery added a subscriber: Ammarpad.
Sfaci mentioned this in T405727: Remove wgMetricsPlatformEnableExperimentOverrides config variable.Oct 28 2025, 12:37 PM
JVanderhoop-WMF closed this task as Resolved.Oct 29 2025, 3:08 PM
hashar added a comment.Nov 4 2025, 10:54 AM

Thank you for the fix!

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