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Maniphest T201893

MessageCache access throw UnexpectedValueException "The value of 'en' is not an array." from MapCacheLRU
Closed, ResolvedPublicPRODUCTION ERROR
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Description

It seems the 1.32.0-wmf.16 branch introduced the following error.

Message

[{exception_id}] {exception_url} UnexpectedValueException from line 187 of /srv/mediawiki/php-1.32.0-wmf.16/includes/libs/MapCacheLRU.php: The value of 'en' is not an array.

Details

url: /wiki/Special:CentralAutoLogin/setCookies

#0 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(992): MapCacheLRU->setField(string, string, string)
#1 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(901): MessageCache->getMsgFromNamespace(string, string)
#2 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(868): MessageCache->getMessageForLang(LanguageEn, string, boolean, array)
#3 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(809): MessageCache->getMessageFromFallbackChain(LanguageEn, string, boolean)
#4 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(1297): MessageCache->get(string, boolean, LanguageEn)
#5 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(849): Message->fetchMessage()
#6 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(941): Message->toString(string)
#7 /srv/mediawiki/php-1.32.0-wmf.16/includes/user/User.php(1053): Message->text()
#8 /srv/mediawiki/php-1.32.0-wmf.16/extensions/CentralAuth/includes/session/CentralAuthSessionProvider.php(154): User::isUsableName(string)
#9 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(488): CentralAuthSessionProvider->provideSessionInfo(WebRequest)
#10 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(191): MediaWiki\Session\SessionManager->getSessionInfoForRequest(WebRequest)
#11 /srv/mediawiki/php-1.32.0-wmf.16/includes/WebRequest.php(750): MediaWiki\Session\SessionManager->getSessionForRequest(WebRequest)
#12 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(130): WebRequest->getSession()
#13 /srv/mediawiki/php-1.32.0-wmf.16/includes/Setup.php(841): MediaWiki\Session\SessionManager::getGlobalSession()
#14 /srv/mediawiki/php-1.32.0-wmf.16/includes/WebStart.php(77): include(string)
#15 /srv/mediawiki/php-1.32.0-wmf.16/index.php(39): include(string)
#16 /srv/mediawiki/w/index.php(3): include(string)
#17 {main}
url: /w/index.php?title=MediaWiki:OSM.js&action=raw&ctype=text/javascript

#0 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(992): MapCacheLRU->setField(string, string, string)
#1 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(901): MessageCache->getMsgFromNamespace(string, string)
#2 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(868): MessageCache->getMessageForLang(LanguageEn, string, boolean, array)
#3 /srv/mediawiki/php-1.32.0-wmf.16/includes/cache/MessageCache.php(809): MessageCache->getMessageFromFallbackChain(LanguageEn, string, boolean)
#4 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(1297): MessageCache->get(string, boolean, LanguageEn)
#5 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(849): Message->fetchMessage()
#6 /srv/mediawiki/php-1.32.0-wmf.16/includes/Message.php(941): Message->toString(string)
#7 /srv/mediawiki/php-1.32.0-wmf.16/includes/user/User.php(1053): Message->text()
#8 /srv/mediawiki/php-1.32.0-wmf.16/extensions/CentralAuth/includes/session/CentralAuthSessionProvider.php(154): User::isUsableName(string)
#9 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(488): CentralAuthSessionProvider->provideSessionInfo(WebRequest)
#10 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(191): MediaWiki\Session\SessionManager->getSessionInfoForRequest(WebRequest)
#11 /srv/mediawiki/php-1.32.0-wmf.16/includes/WebRequest.php(750): MediaWiki\Session\SessionManager->getSessionForRequest(WebRequest)
#12 /srv/mediawiki/php-1.32.0-wmf.16/includes/session/SessionManager.php(130): WebRequest->getSession()
#13 /srv/mediawiki/php-1.32.0-wmf.16/includes/Setup.php(841): MediaWiki\Session\SessionManager::getGlobalSession()
#14 /srv/mediawiki/php-1.32.0-wmf.16/includes/WebStart.php(77): include(string)
#15 /srv/mediawiki/php-1.32.0-wmf.16/index.php(39): include(string)
#16 /srv/mediawiki/w/index.php(3): include(string)
#17 {main}

Details

Related Changes in Gerrit:
SubjectAuthorRepoBranchLines +/-
Avoid MapCacheLRU error when MessageCache fails to loadKrinklemediawiki/corewmf/1.32.0-wmf.16+1 -1
Avoid MapCacheLRU error when MessageCache fails to loadAaron Schulzmediawiki/coremaster+1 -1
Improve MapCacheLRU error messageAaron Schulzmediawiki/coremaster+3 -1
Customize query in gerrit

Event Timeline

Krinkle created this task.Aug 14 2018, 3:02 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptAug 14 2018, 3:02 AM
Krinkle moved this task from Untriaged to Dec2019/1.35.wmf.10+ on the Wikimedia-production-error board.Aug 14 2018, 3:02 AM
gerritbot subscribed.Aug 14 2018, 5:52 AM

Change 452602 had a related patch set uploaded (by Aaron Schulz; owner: Aaron Schulz):
[mediawiki/core@master] Improve MapCacheLRU error message

https://gerrit.wikimedia.org/r/452602

gerritbot added a project: Patch-For-Review.Aug 14 2018, 5:52 AM
gerritbot added a comment.Aug 14 2018, 6:12 AM

Change 452606 had a related patch set uploaded (by Aaron Schulz; owner: Aaron Schulz):
[mediawiki/core@master] Avoid MapCacheLRU error when MessageCache fails to load

https://gerrit.wikimedia.org/r/452606

gerritbot added a comment.Aug 14 2018, 4:01 PM

Change 452691 had a related patch set uploaded (by Krinkle; owner: Aaron Schulz):
[mediawiki/core@wmf/1.32.0-wmf.16] Avoid MapCacheLRU error when MessageCache fails to load

https://gerrit.wikimedia.org/r/452691

gerritbot added a comment.Aug 14 2018, 4:24 PM

Change 452602 merged by jenkins-bot:
[mediawiki/core@master] Improve MapCacheLRU error message

https://gerrit.wikimedia.org/r/452602

gerritbot added a comment.Aug 14 2018, 4:32 PM

Change 452606 merged by jenkins-bot:
[mediawiki/core@master] Avoid MapCacheLRU error when MessageCache fails to load

https://gerrit.wikimedia.org/r/452606

ReleaseTaggerBot added a project: MW-1.32-notes (WMF-deploy-2018-08-14 (1.32.0-wmf.17)).Aug 14 2018, 5:00 PM
Krinkle moved this task from General to MessageCache on the MediaWiki-libs-BagOStuff board.Aug 14 2018, 6:25 PM
gerritbot added a comment.Aug 14 2018, 7:33 PM

Change 452691 merged by jenkins-bot:
[mediawiki/core@wmf/1.32.0-wmf.16] Avoid MapCacheLRU error when MessageCache fails to load

https://gerrit.wikimedia.org/r/452691

Stashbot subscribed.Aug 14 2018, 7:35 PM

Mentioned in SAL (#wikimedia-operations) [2018-08-14T19:35:28Z] <krinkle@deploy1001> Synchronized php-1.32.0-wmf.16/includes/cache/MessageCache.php: I609311 / T201893 (duration: 00m 52s)

Krinkle moved this task from Dec2019/1.35.wmf.10+ to Resolved on the Wikimedia-production-error board.Aug 14 2018, 7:42 PM
Krinkle removed a project: Patch-For-Review.
ReleaseTaggerBot edited projects, added: MW-1.32-notes (WMF-deploy-2018-08-07 (1.32.0-wmf.16)); removed: MW-1.32-notes (WMF-deploy-2018-08-14 (1.32.0-wmf.17)).Aug 14 2018, 8:00 PM
Umherirrender closed this task as Resolved.Aug 17 2018, 9:24 PM
• mmodell changed the subtype of this task from "Task" to "Production Error".Aug 28 2019, 11:08 PM
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