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Maniphest T175313

SqlBlobStore emits "PHP Warning: data error" from gzinflate()
Closed, ResolvedPublicPRODUCTION ERROR
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Description

stack trace
#0 [internal function]: MWExceptionHandler::handleError(integer, string, string, integer, array, array)
#1 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SqlBlobStore.php(505): gzinflate(string)
#2 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SqlBlobStore.php(432): MediaWiki\Storage\SqlBlobStore->decompressData(string, array)
#3 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SqlBlobStore.php(353): MediaWiki\Storage\SqlBlobStore->expandBlob(string, array, string)
#4 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SqlBlobStore.php(281): MediaWiki\Storage\SqlBlobStore->fetchBlob(string, integer)
#5 /srv/mediawiki/php-1.32.0-wmf.19/includes/libs/objectcache/WANObjectCache.php(1277): Closure$MediaWiki\Storage\SqlBlobStore::getBlob(boolean, integer, array, NULL)
#6 /srv/mediawiki/php-1.32.0-wmf.19/includes/libs/objectcache/WANObjectCache.php(1150): WANObjectCache->doGetWithSetCallback(string, integer, Closure$MediaWiki\Storage\SqlBlobStore::getBlob;2710, array)
#7 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SqlBlobStore.php(284): WANObjectCache->getWithSetCallback(string, integer, Closure$MediaWiki\Storage\SqlBlobStore::getBlob;2710, array)
#8 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/RevisionStore.php(1382): MediaWiki\Storage\SqlBlobStore->getBlob(string, integer)
#9 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/RevisionStore.php(1319): MediaWiki\Storage\RevisionStore->loadSlotContent(MediaWiki\Storage\SlotRecord, NULL, NULL, NULL, integer)
#10 [internal function]: Closure$MediaWiki\Storage\RevisionStore::emulateMainSlot_1_29#2(MediaWiki\Storage\SlotRecord)
#11 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SlotRecord.php(306): call_user_func(Closure$MediaWiki\Storage\RevisionStore::emulateMainSlot_1_29#2;2705, MediaWiki\Storage\SlotRecord)
#12 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/SlotRecord.php(512): MediaWiki\Storage\SlotRecord->getContent()
#13 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/RevisionSlots.php(149): MediaWiki\Storage\SlotRecord->getSize()
#14 [internal function]: Closure$MediaWiki\Storage\RevisionSlots::computeSize(integer, MediaWiki\Storage\SlotRecord)
#15 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/RevisionSlots.php(150): array_reduce(array, Closure$MediaWiki\Storage\RevisionSlots::computeSize;2728, integer)
#16 /srv/mediawiki/php-1.32.0-wmf.19/includes/Storage/RevisionStoreRecord.php(160): MediaWiki\Storage\RevisionSlots->computeSize()
#17 /srv/mediawiki/php-1.32.0-wmf.19/includes/Revision.php(707): MediaWiki\Storage\RevisionStoreRecord->getSize()
#18 /srv/mediawiki/php-1.32.0-wmf.19/extensions/MobileFrontend/includes/specials/SpecialMobileHistory.php(204): Revision->getSize()
#19 /srv/mediawiki/php-1.32.0-wmf.19/extensions/MobileFrontend/includes/specials/SpecialMobileHistory.php(245): SpecialMobileHistory->showRow(Revision, Revision)
#20 /srv/mediawiki/php-1.32.0-wmf.19/extensions/MobileFrontend/includes/specials/SpecialMobileHistory.php(134): SpecialMobileHistory->showHistory(Wikimedia\Rdbms\ResultWrapper)
#21 /srv/mediawiki/php-1.32.0-wmf.19/extensions/MobileFrontend/includes/specials/MobileSpecialPage.php(58): SpecialMobileHistory->executeWhenAvailable(string)
#22 /srv/mediawiki/php-1.32.0-wmf.19/extensions/MobileFrontend/includes/specials/MobileSpecialPageFeed.php(26): MobileSpecialPage->execute(string)
#23 /srv/mediawiki/php-1.32.0-wmf.19/includes/specialpage/SpecialPage.php(569): MobileSpecialPageFeed->execute(string)
#24 /srv/mediawiki/php-1.32.0-wmf.19/includes/specialpage/SpecialPageFactory.php(581): SpecialPage->run(string)
#25 /srv/mediawiki/php-1.32.0-wmf.19/includes/MediaWiki.php(288): MediaWiki\Special\SpecialPageFactory->executePath(Title, RequestContext)
#26 /srv/mediawiki/php-1.32.0-wmf.19/includes/MediaWiki.php(868): MediaWiki->performRequest()
#27 /srv/mediawiki/php-1.32.0-wmf.19/includes/MediaWiki.php(525): MediaWiki->main()
#28 /srv/mediawiki/php-1.32.0-wmf.19/index.php(42): MediaWiki->run()
#29 /srv/mediawiki/w/index.php(3): include(string)
#30 {main}

Sample:

Original task description:

Spotted in production, probably related:

Warning: data error in /srv/mediawiki/php-1.30.0-wmf.17/includes/Revision.php on line 1367
Warning: Revision::decompressRevisionText: gzinflate() failed [Called from Revision::decompressRevisionText in /srv/mediawiki/php-1.30.0-wmf.17/includes/Revision.php at line 1370] in /srv/mediawiki/php-1.30.0-wmf.17/includes/debug/MWDebug.php on line 309

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Event Timeline

• demon created this task.Sep 7 2017, 10:13 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 7 2017, 10:13 PM
Krinkle renamed this task from Revision data errors - Revision::decompressRevisionText() / gzinflate() to gzinflate() data error from SqlBlobStore.Sep 1 2018, 1:36 AM
Krinkle added a project: Core-Platform-Team-Old.
Krinkle updated the task description. (Show Details)
Krinkle moved this task from Untriaged to Dec2019/1.35.wmf.10+ on the Wikimedia-production-error board.
Anomie added a project: Multi-Content-Revisions.Sep 4 2018, 1:57 PM
Anomie subscribed.

Seems similar to T203075: old corruption from T22757: Corruption of text from early 2005 due to HistoryBlobStub pointers broken by recompressTracked.php means that data for some revisions from 2005 or earlier isn't found anymore, and MCR stuff may be logging more errors about it than the old pre-MCR code did. I see more than one of that user's earliest revisions seem to be affected.

CCicalese_WMF moved this task from Inbox to CPT TEC1 Backlog on the Core-Platform-Team-Old board.Sep 5 2018, 1:25 AM
Krinkle moved this task from Dec2019/1.35.wmf.10+ to Older on the Wikimedia-production-error board.Sep 5 2018, 2:41 AM
CCicalese_WMF removed a project: Multi-Content-Revisions.Sep 7 2018, 12:56 PM
Krinkle renamed this task from gzinflate() data error from SqlBlobStore to SqlBlobStore emits "PHP Warning: data error" from gzinflate().Sep 19 2018, 10:20 PM
CCicalese_WMF added a project: Platform Team Legacy (Next).Oct 1 2018, 11:23 PM
CCicalese_WMF edited projects, added Core Platform Team Goals (Security, stability, performance and scalability (TEC1)); removed Core-Platform-Team-Old.Oct 2 2018, 12:06 AM
CCicalese_WMF edited projects, added Platform Engineering (Needs Cleaning - Security, stability, performance, and scalability (TEC1)); removed Core Platform Team Goals (Security, stability, performance and scalability (TEC1)).Oct 2 2018, 2:25 AM
• demon unsubscribed.Mar 16 2019, 3:30 PM
• kchapman moved this task from Next to Later on the Platform Team Legacy board.May 14 2019, 1:19 PM
• kchapman edited projects, added Platform Team Legacy (Later); removed Platform Team Legacy (Next).
WDoranWMF moved this task from Later to Mop Column on the Platform Team Legacy board.Jul 5 2019, 3:44 PM
WDoranWMF removed a project: Platform Team Legacy (Later).
• mmodell changed the subtype of this task from "Task" to "Production Error".Aug 28 2019, 11:10 PM
CCicalese_WMF moved this task from Needs Cleaning - Security, stability, performance, and scalability (TEC1) to Icebox on the Platform Engineering board.Oct 1 2019, 6:57 PM
CCicalese_WMF edited projects, added Platform Engineering; removed Platform Engineering (Needs Cleaning - Security, stability, performance, and scalability (TEC1)).
CCicalese_WMF edited projects, added Platform Team Workboards (Clinic Duty Team); removed Platform Engineering.
daniel moved this task from Inbox to Backlog on the Platform Team Workboards (Clinic Duty Team) board.Oct 8 2019, 9:56 AM
• AMooney changed the task status from Open to Stalled.Mar 12 2020, 1:22 PM
• AMooney edited projects, added Platform Engineering; removed Platform Team Workboards (Clinic Duty Team).
WDoranWMF edited projects, added Platform Engineering (Icebox); removed Platform Engineering.Mar 23 2020, 2:04 PM
Krinkle edited projects, added MediaWiki-Core-Revision-backend; removed MediaWiki-General.Jun 17 2020, 12:43 AM
Krinkle added a subtask: T205936: Unable to view some pages due to fatal RevisionAccessException: "Failed to load data blob from tt".
daniel closed subtask T205936: Unable to view some pages due to fatal RevisionAccessException: "Failed to load data blob from tt" as Resolved.Aug 26 2020, 1:21 PM
Aklapper removed a subscriber: Anomie.Oct 16 2020, 5:02 PM
Krinkle closed this task as Resolved.Jan 27 2021, 7:58 PM
Krinkle claimed this task.
Krinkle subscribed.

No matches for 7+ days. We've closed and resolved a bunch of these in other tickets recently, assuming resolved here as well, until we find it again :)

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