==== Error ====
* mwversion: 1.44.0-wmf.19
* reqId: `2636e3c1-b50a-482a-a54a-a0b1d12e9258`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2025-03-11T21:22:49.342Z',to:'2025-03-12T21:29:20.741Z'))&_a=(query:(query_string:(query:'reqId:%222636e3c1-b50a-482a-a54a-a0b1d12e9258%22'))) | Find reqId in Logstash ]]
```name=normalized_message,lines=10
[{reqId}] {exception_url} PHP Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated
```
| Frame | Location | Call
| -- | -- | --
| from | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#1846 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(1846) ]] |
| #0 | [internal function] | MWExceptionHandler::handleError(int, string, string, int)
| #1 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#1846 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(1846) ]] | preg_match(string, null, null)
| #2 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#3972 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(3972) ]] | MediaWiki\Language\Language::strongDirFromContent(null)
| #3 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#142 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(142) ]] | MediaWiki\Language\Language->embedBidi(null)
| #4 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#133 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(133) ]] | Flow\Notifications\FlowPresentationModel->truncateTopicTitle(null)
| #5 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#171 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(171) ]] | Flow\Notifications\FlowPresentationModel->getTopicTitle()
| #6 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/TopicRenamedPresentationModel.php#42 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/TopicRenamedPresentationModel.php(42) ]] | Flow\Notifications\FlowPresentationModel->getFlowUnwatchDynamicActionLink(bool)
| #7 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoEventPresentationModel.php#579 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoEventPresentationModel.php(579) ]] | Flow\Notifications\TopicRenamedPresentationModel->getSecondaryLinks()
| #8 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoModelFormatter.php#15 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoModelFormatter.php(15) ]] | MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel->jsonSerialize()
| #9 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoEventFormatter.php#77 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoEventFormatter.php(77) ]] | MediaWiki\Extension\Notifications\Formatters\EchoModelFormatter->formatModel(Flow\Notifications\TopicRenamedPresentationModel)
| #10 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/DataOutputFormatter.php#201 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/DataOutputFormatter.php(201) ]] | MediaWiki\Extension\Notifications\Formatters\EchoEventFormatter->format(MediaWiki\Extension\Notifications\Model\Event)
| #11 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/DataOutputFormatter.php#160 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/DataOutputFormatter.php(160) ]] | MediaWiki\Extension\Notifications\DataOutputFormatter::formatNotification(MediaWiki\Extension\Notifications\Model\Event, MediaWiki\User\User, string, MediaWiki\Language\Language)
| #12 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#324 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(324) ]] | MediaWiki\Extension\Notifications\DataOutputFormatter::formatOutput(MediaWiki\Extension\Notifications\Model\Notification, string, MediaWiki\User\User, MediaWiki\Language\Language)
| #13 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#137 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(137) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->getPropList(MediaWiki\User\User, array, array, int, null, string, null, bool, bool)
| #14 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#67 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(67) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->getLocalNotifications(array)
| #15 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiQuery.php#728 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiQuery.php(728) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->execute()
| #16 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#2005 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(2005) ]] | MediaWiki\Api\ApiQuery->execute()
| #17 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#947 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(947) ]] | MediaWiki\Api\ApiMain->executeAction()
| #18 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#918 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(918) ]] | MediaWiki\Api\ApiMain->executeActionWithErrorHandling()
| #19 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiEntryPoint.php#152 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiEntryPoint.php(152) ]] | MediaWiki\Api\ApiMain->execute()
| #20 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/MediaWikiEntryPoint.php#202 | /srv/mediawiki/php-1.44.0-wmf.19/includes/MediaWikiEntryPoint.php(202) ]] | MediaWiki\Api\ApiEntryPoint->execute()
| #21 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/api.php#44 | /srv/mediawiki/php-1.44.0-wmf.19/api.php(44) ]] | MediaWiki\MediaWikiEntryPoint->run()
| #22 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/operations/mediawiki-config/+blame/refs/heads/master/w/api.php#3 | /srv/mediawiki/w/api.php(3) ]] | require(string)
| #23 | {main} |
==== Impact ====
==== Notes ====
==== Error ====
* mwversion: 1.44.0-wmf.19
* reqId: `292346d7-fb56-4f66-b6d8-3892a97ecb72`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2025-03-11T21:28:23.918Z',to:'2025-03-12T21:31:05.959Z'))&_a=(query:(query_string:(query:'reqId:%22292346d7-fb56-4f66-b6d8-3892a97ecb72%22'))) | Find reqId in Logstash ]]
```name=normalized_message,lines=10
[{reqId}] {exception_url} PHP Deprecated: mb_strlen(): Passing null to parameter #1 ($string) of type string is deprecated
```
| Frame | Location | Call
| -- | -- | --
| from | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#3496 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(3496) ]] |
| #0 | [internal function] | MWExceptionHandler::handleError(int, string, string, int)
| #1 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#3496 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(3496) ]] | mb_strlen(null)
| #2 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/language/Language.php#3472 | /srv/mediawiki/php-1.44.0-wmf.19/includes/language/Language.php(3472) ]] | MediaWiki\Language\Language->truncateInternal(null, int, string, bool, string, string)
| #3 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#142 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(142) ]] | MediaWiki\Language\Language->truncateForVisual(null, int, string, bool)
| #4 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#133 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(133) ]] | Flow\Notifications\FlowPresentationModel->truncateTopicTitle(null)
| #5 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/FlowPresentationModel.php#171 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/FlowPresentationModel.php(171) ]] | Flow\Notifications\FlowPresentationModel->getTopicTitle()
| #6 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Flow/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Notifications/TopicRenamedPresentationModel.php#42 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Flow/includes/Notifications/TopicRenamedPresentationModel.php(42) ]] | Flow\Notifications\FlowPresentationModel->getFlowUnwatchDynamicActionLink(bool)
| #7 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoEventPresentationModel.php#579 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoEventPresentationModel.php(579) ]] | Flow\Notifications\TopicRenamedPresentationModel->getSecondaryLinks()
| #8 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoModelFormatter.php#15 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoModelFormatter.php(15) ]] | MediaWiki\Extension\Notifications\Formatters\EchoEventPresentationModel->jsonSerialize()
| #9 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Formatters/EchoEventFormatter.php#77 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Formatters/EchoEventFormatter.php(77) ]] | MediaWiki\Extension\Notifications\Formatters\EchoModelFormatter->formatModel(Flow\Notifications\TopicRenamedPresentationModel)
| #10 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/DataOutputFormatter.php#201 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/DataOutputFormatter.php(201) ]] | MediaWiki\Extension\Notifications\Formatters\EchoEventFormatter->format(MediaWiki\Extension\Notifications\Model\Event)
| #11 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/DataOutputFormatter.php#160 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/DataOutputFormatter.php(160) ]] | MediaWiki\Extension\Notifications\DataOutputFormatter::formatNotification(MediaWiki\Extension\Notifications\Model\Event, MediaWiki\User\User, string, MediaWiki\Language\Language)
| #12 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#324 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(324) ]] | MediaWiki\Extension\Notifications\DataOutputFormatter::formatOutput(MediaWiki\Extension\Notifications\Model\Notification, string, MediaWiki\User\User, MediaWiki\Language\Language)
| #13 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#137 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(137) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->getPropList(MediaWiki\User\User, array, array, int, null, string, null, bool, bool)
| #14 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/Echo/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/Api/ApiEchoNotifications.php#67 | /srv/mediawiki/php-1.44.0-wmf.19/extensions/Echo/includes/Api/ApiEchoNotifications.php(67) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->getLocalNotifications(array)
| #15 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiQuery.php#728 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiQuery.php(728) ]] | MediaWiki\Extension\Notifications\Api\ApiEchoNotifications->execute()
| #16 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#2005 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(2005) ]] | MediaWiki\Api\ApiQuery->execute()
| #17 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#947 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(947) ]] | MediaWiki\Api\ApiMain->executeAction()
| #18 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiMain.php#918 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiMain.php(918) ]] | MediaWiki\Api\ApiMain->executeActionWithErrorHandling()
| #19 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/api/ApiEntryPoint.php#152 | /srv/mediawiki/php-1.44.0-wmf.19/includes/api/ApiEntryPoint.php(152) ]] | MediaWiki\Api\ApiMain->execute()
| #20 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/includes/MediaWikiEntryPoint.php#202 | /srv/mediawiki/php-1.44.0-wmf.19/includes/MediaWikiEntryPoint.php(202) ]] | MediaWiki\Api\ApiEntryPoint->execute()
| #21 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.44.0-wmf.19/api.php#44 | /srv/mediawiki/php-1.44.0-wmf.19/api.php(44) ]] | MediaWiki\MediaWikiEntryPoint->run()
| #22 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/operations/mediawiki-config/+blame/refs/heads/master/w/api.php#3 | /srv/mediawiki/w/api.php(3) ]] | require(string)
| #23 | {main} |
==== Impact ====
==== Notes ====