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Maniphest T385170

PHP Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated
Closed, ResolvedPublicPRODUCTION ERROR
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Description

Error
normalized_message
[{reqId}] {exception_url}   PHP Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated
FrameLocationCall
from/srv/mediawiki/php-1.44.0-wmf.13/extensions/Math/src/SpecialMathWikibase.php(157)
#0[internal function]MWExceptionHandler::handleError(int, string, string, int)
#1/srv/mediawiki/php-1.44.0-wmf.13/extensions/Math/src/SpecialMathWikibase.php(157)preg_match(string, null, null)
#2/srv/mediawiki/php-1.44.0-wmf.13/extensions/Math/src/SpecialMathWikibase.php(69)MediaWiki\Extension\Math\SpecialMathWikibase->buildPageRepresentation(MediaWiki\Extension\Math\MathWikibaseInfo, string, MediaWiki\Output\OutputPage)
#3/srv/mediawiki/php-1.44.0-wmf.13/includes/specialpage/SpecialPage.php(729)MediaWiki\Extension\Math\SpecialMathWikibase->execute(null)
#4/srv/mediawiki/php-1.44.0-wmf.13/includes/specialpage/SpecialPageFactory.php(1735)MediaWiki\SpecialPage\SpecialPage->run(null)
#5/srv/mediawiki/php-1.44.0-wmf.13/includes/actions/ActionEntryPoint.php(503)MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, MediaWiki\Context\RequestContext)
#6/srv/mediawiki/php-1.44.0-wmf.13/includes/actions/ActionEntryPoint.php(145)MediaWiki\Actions\ActionEntryPoint->performRequest()
#7/srv/mediawiki/php-1.44.0-wmf.13/includes/MediaWikiEntryPoint.php(202)MediaWiki\Actions\ActionEntryPoint->execute()
#8/srv/mediawiki/php-1.44.0-wmf.13/index.php(58)MediaWiki\MediaWikiEntryPoint->run()
#9/srv/mediawiki/w/index.php(3)require(string)
#10{main}
Impact
Notes

Details

Request URL
https://en.wikipedia.org/w/index.php?qid=*&title=*
Related Changes in Gerrit:
SubjectRepoBranchLines +/-
SpecialMathWikibase: Null-coalescence getDescription() callmediawiki/extensions/Mathwmf/1.44.0-wmf.14+10 -10
SpecialMathWikibase: Null-coalescence getDescription() callmediawiki/extensions/MathREL1_43+10 -10
SpecialMathWikibase: Null-coalescence getDescription() callmediawiki/extensions/MathREL1_42+10 -10
SpecialMathWikibase: Null-coalescence getDescription() callmediawiki/extensions/MathREL1_39+10 -10
SpecialMathWikibase: Null-coalescence getDescription() callmediawiki/extensions/Mathmaster+10 -10
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StatusSubtypeAssignedTask
· · ·
ResolvedNoneT379874 ☂ PHP 8.1 issues found during WMF rollout/ramp up
ResolvedPRODUCTION ERRORReedyT385170 PHP Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated
· · ·

Event Timeline

Reedy created this task.Jan 30 2025, 2:19 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 30 2025, 2:19 PM
Reedy added a parent task: T379874: ☂ PHP 8.1 issues found during WMF rollout/ramp up.Jan 30 2025, 2:22 PM
Reedy added a comment.Jan 30 2025, 2:38 PM

In MathWikibaseInfo:

	/**
	 * @return string description
	 */
	public function getDescription() {
		return $this->description;
	}

This is incorrect, as the description is by default null, and not initialised in the constructor...

gerritbot added a comment.Jan 30 2025, 2:39 PM

Change #1115408 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/extensions/Math@master] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115408

gerritbot added a project: Patch-For-Review.Jan 30 2025, 2:39 PM
Physikerwelt assigned this task to Reedy.Jan 30 2025, 6:37 PM
gerritbot added a comment.Jan 30 2025, 7:06 PM

Change #1115408 merged by jenkins-bot:

[mediawiki/extensions/Math@master] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115408

Maintenance_bot removed a project: Patch-For-Review.Jan 30 2025, 7:30 PM
ReleaseTaggerBot added a project: MW-1.44-notes (1.44.0-wmf.15; 2025-02-04).Jan 30 2025, 8:00 PM
gerritbot added a comment.Jan 30 2025, 10:02 PM

Change #1115512 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/extensions/Math@REL1_43] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115512

gerritbot added a project: Patch-For-Review.Jan 30 2025, 10:02 PM

Change #1115513 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/extensions/Math@REL1_42] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115513

gerritbot added a comment.Jan 30 2025, 10:02 PM

Change #1115514 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/extensions/Math@REL1_39] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115514

Physikerwelt closed this task as Resolved.Jan 30 2025, 11:26 PM
gerritbot added a comment.Jan 30 2025, 11:46 PM

Change #1115514 merged by jenkins-bot:

[mediawiki/extensions/Math@REL1_39] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115514

gerritbot added a comment.Jan 30 2025, 11:55 PM

Change #1115513 merged by jenkins-bot:

[mediawiki/extensions/Math@REL1_42] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115513

gerritbot added a comment.Jan 31 2025, 12:16 AM

Change #1115512 merged by jenkins-bot:

[mediawiki/extensions/Math@REL1_43] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1115512

Maintenance_bot removed a project: Patch-For-Review.Jan 31 2025, 12:30 AM
gerritbot added a comment.Feb 3 2025, 12:55 PM

Change #1116784 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/extensions/Math@wmf/1.44.0-wmf.14] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1116784

gerritbot added a project: Patch-For-Review.Feb 3 2025, 12:55 PM
gerritbot added a comment.Feb 3 2025, 1:07 PM

Change #1116784 merged by jenkins-bot:

[mediawiki/extensions/Math@wmf/1.44.0-wmf.14] SpecialMathWikibase: Null-coalescence getDescription() call

https://gerrit.wikimedia.org/r/1116784

Stashbot mentioned this in T385269: PHP Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated.Feb 3 2025, 1:27 PM
Stashbot mentioned this in T385255: Error: Cannot unpack array with string keys.

Mentioned in SAL (#wikimedia-operations) [2025-02-03T13:27:08Z] <reedy@deploy2002> Started scap sync-world: Backport for [[gerrit:1116783|Add missing array_values for PHP 7 compatibility (T385255)]], [[gerrit:1116784|SpecialMathWikibase: Null-coalescence getDescription() call (T385170)]], [[gerrit:1116785|SpecialMathWikibase: Null-coalescence $par (T385269)]], [[gerrit:1116788|ApiQueryContentTranslationSuggestions: Set default value for to and from parameters (T385267)]]

Stashbot mentioned this in T385267: PHP Deprecated: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated.Feb 3 2025, 1:27 PM
Maintenance_bot removed a project: Patch-For-Review.Feb 3 2025, 1:31 PM
Stashbot added a comment.Feb 3 2025, 1:34 PM

Mentioned in SAL (#wikimedia-operations) [2025-02-03T13:34:08Z] <reedy@deploy2002> reedy: Backport for [[gerrit:1116783|Add missing array_values for PHP 7 compatibility (T385255)]], [[gerrit:1116784|SpecialMathWikibase: Null-coalescence getDescription() call (T385170)]], [[gerrit:1116785|SpecialMathWikibase: Null-coalescence $par (T385269)]], [[gerrit:1116788|ApiQueryContentTranslationSuggestions: Set default value for to and from parameters (T385267)]] synced to the testservers (h

Stashbot added a comment.Feb 3 2025, 1:43 PM

Mentioned in SAL (#wikimedia-operations) [2025-02-03T13:43:52Z] <reedy@deploy2002> Finished scap sync-world: Backport for [[gerrit:1116783|Add missing array_values for PHP 7 compatibility (T385255)]], [[gerrit:1116784|SpecialMathWikibase: Null-coalescence getDescription() call (T385170)]], [[gerrit:1116785|SpecialMathWikibase: Null-coalescence $par (T385269)]], [[gerrit:1116788|ApiQueryContentTranslationSuggestions: Set default value for to and from parameters (T385267)]] (duration

ReleaseTaggerBot edited projects, added: MW-1.44-notes (1.44.0-wmf.14; 2025-01-28); removed: MW-1.44-notes (1.44.0-wmf.15; 2025-02-04).Feb 3 2025, 2:00 PM
Krinkle moved this task from Untriaged to Jan-Mar 2025 on the Wikimedia-production-error board.Apr 1 2025, 2:41 AM
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