Last modified: 2014-09-30 10:11:54 UTC

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Bug 70753 - Exception from line 43 of AliasSerializer.php: AliasSerializer can only serialize an array of aliases
Exception from line 43 of AliasSerializer.php: AliasSerializer can only seria...
Status: RESOLVED FIXED
Product: MediaWiki extensions
Classification: Unclassified
WikidataRepo (Other open bugs)
unspecified
All All
: Normal normal (vote)
: ---
Assigned To: Wikidata bugs
u=dev c=backend p=0
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2014-09-12 03:58 UTC by Aude
Modified: 2014-09-30 10:11 UTC (History)
2 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Aude 2014-09-12 03:58:19 UTC 
we currently have older wikibase (from sept 2) and probably some cached newer things. this combination does not work. I don't know how easily fixable to make the code robust to handle this, though.


Exception from line 43 of /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/serializers/AliasSerializer.php: AliasSerializer can only serialize an array of aliases
#0 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/serializers/EntitySerializer.php(134): Wikibase\Lib\Serializers\AliasSerializer->getSerialized()
#1 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/repo/includes/api/ResultBuilder.php(321): Wikibase\Lib\Serializers\EntitySerializer->getSerialized()
#2 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/repo/includes/api/GetEntities.php(253): Wikibase\Api\ResultBuilder->addEntityRevision()
#3 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/repo/includes/api/GetEntities.php(96): Wikibase\Api\GetEntities->handleEntity()
#4 /srv/mediawiki/php-1.24wmf21/includes/api/ApiMain.php(930): Wikibase\Api\GetEntities->execute()
#5 /srv/mediawiki/php-1.24wmf21/includes/api/ApiMain.php(364): ApiMain->executeAction()
#6 /srv/mediawiki/php-1.24wmf21/includes/api/ApiMain.php(335): ApiMain->executeActionWithErrorHandling()
#7 /srv/mediawiki/php-1.24wmf21/api.php(85): ApiMain->execute()
#8 /srv/mediawiki/w/api.php(3): include()
Comment 1 Aude 2014-09-12 04:01:19 UTC 
https://test.wikidata.org/wiki/Q22 is broken for same reason
Comment 2 Aude 2014-09-12 04:02:00 UTC 
i also see in the logs

Fatal error: Argument 1 passed to Wikibase\LanguageFallbackChain::extractPreferredValue() must be an instance of array, null given in /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/LanguageFallbackChain.php on line 74
Comment 3 Aude 2014-09-12 04:03:17 UTC 
and https://test2.wikipedia.org/wiki/Kitten broken

Unexpected non-MediaWiki exception encountered, of type "UnexpectedValueException"
[3e050ba5] /wiki/Kitten Exception from line 124 of /srv/mediawiki/php-1.24wmf21/includes/objectcache/MemcachedPeclBagOStuff.php: Error at offset 0 of 6 bytes
Backtrace:
#0 [internal function]: SplObjectStorage->unserialize(string)
#1 /srv/mediawiki/php-1.24wmf21/includes/objectcache/MemcachedPeclBagOStuff.php(124): Memcached->get(string, NULL, NULL)
#2 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(107): MemcachedPeclBagOStuff->get(string)
#3 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(146): Wikibase\Lib\Store\CachingEntityRevisionLookup->getEntityRevision(Wikibase\DataModel\Entity\ItemId, integer)
#4 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(126): Wikibase\Lib\Store\CachingEntityRevisionLookup->fetchEntityRevision(Wikibase\DataModel\Entity\ItemId, integer)
#5 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RevisionBasedEntityLookup.php(41): Wikibase\Lib\Store\CachingEntityRevisionLookup->getEntityRevision(Wikibase\DataModel\Entity\ItemId)
#6 [internal function]: Wikibase\Lib\Store\RevisionBasedEntityLookup->getEntity(Wikibase\DataModel\Entity\ItemId)
#7 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/EntityRedirectResolvingDecorator.php(79): call_user_func_array(array, array)
#8 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RedirectResolvingEntityLookup.php(50): Wikibase\Lib\Store\EntityRedirectResolvingDecorator->__call(string, array)
#9 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RedirectResolvingEntityLookup.php(50): Wikibase\Lib\Store\EntityRedirectResolvingDecorator->getEntity(Wikibase\DataModel\Entity\ItemId)
#10 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/SnaksFinder.php(55): Wikibase\Lib\Store\RedirectResolvingEntityLookup->getEntity(Wikibase\DataModel\Entity\ItemId)
#11 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/LanguageAwareRenderer.php(107): Wikibase\DataAccess\PropertyParserFunction\SnaksFinder->findSnaks(Wikibase\DataModel\Entity\ItemId, string, string)
#12 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/LanguageAwareRenderer.php(49): Wikibase\DataAccess\PropertyParserFunction\LanguageAwareRenderer->getStatus(Wikibase\DataModel\Entity\ItemId, string)
#13 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/Runner.php(73): Wikibase\DataAccess\PropertyParserFunction\LanguageAwareRenderer->render(Wikibase\DataModel\Entity\ItemId, string)
#14 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/Runner.php(120): Wikibase\DataAccess\PropertyParserFunction\Runner->runPropertyParserFunction(Parser, string)
#15 /srv/mediawiki/php-1.24wmf21/extensions/Wikidata/extensions/Wikibase/client/includes/hooks/ParserFunctionRegistrant.php(46): Wikibase\DataAccess\PropertyParserFunction\Runner::render(Parser, string)
#16 [internal function]: Wikibase\Client\Hooks\{closure}(Parser, string)
#17 /srv/mediawiki/php-1.24wmf21/includes/parser/Parser.php(3718): call_user_func_array(Closure, array)
#18 /srv/mediawiki/php-1.24wmf21/includes/parser/Parser.php(3436): Parser->callParserFunction(PPFrame_DOM, string, array)
#19 /srv/mediawiki/php-1.24wmf21/includes/parser/Preprocessor_DOM.php(1179): Parser->braceSubstitution(array, PPFrame_DOM)
#20 /srv/mediawiki/php-1.24wmf21/includes/parser/Parser.php(3246): PPFrame_DOM->expand(PPNode_DOM, integer)
#21 /srv/mediawiki/php-1.24wmf21/includes/parser/Parser.php(1239): Parser->replaceVariables(string)
#22 /srv/mediawiki/php-1.24wmf21/includes/parser/Parser.php(405): Parser->internalParse(string)
#23 /srv/mediawiki/php-1.24wmf21/includes/content/WikitextContent.php(327): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#24 /srv/mediawiki/php-1.24wmf21/includes/content/AbstractContent.php(486): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#25 /srv/mediawiki/php-1.24wmf21/includes/poolcounter/PoolWorkArticleView.php(139): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#26 /srv/mediawiki/php-1.24wmf21/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#27 /srv/mediawiki/php-1.24wmf21/includes/page/Article.php(688): PoolCounterWork->execute()
#28 /srv/mediawiki/php-1.24wmf21/includes/actions/ViewAction.php(44): Article->view()
#29 /srv/mediawiki/php-1.24wmf21/includes/MediaWiki.php(414): ViewAction->show()
#30 /srv/mediawiki/php-1.24wmf21/includes/MediaWiki.php(282): MediaWiki->performAction(Article, Title)
#31 /srv/mediawiki/php-1.24wmf21/includes/MediaWiki.php(584): MediaWiki->performRequest()
#32 /srv/mediawiki/php-1.24wmf21/includes/MediaWiki.php(435): MediaWiki->main()
#33 /srv/mediawiki/php-1.24wmf21/index.php(46): MediaWiki->run()
#34 /srv/mediawiki/w/index.php(3): require(string)
#35 {main}
Comment 4 Aude 2014-09-29 15:30:20 UTC 
kitten is broken again :(

Unexpected non-MediaWiki exception encountered, of type "UnexpectedValueException"
[b9881901] /wiki/Kitten Exception from line 124 of /srv/mediawiki/php-1.25wmf1/includes/objectcache/MemcachedPeclBagOStuff.php: Error at offset 0 of 6 bytes
Backtrace:
#0 [internal function]: SplObjectStorage->unserialize(string)
#1 /srv/mediawiki/php-1.25wmf1/includes/objectcache/MemcachedPeclBagOStuff.php(124): Memcached->get(string, NULL, NULL)
#2 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(107): MemcachedPeclBagOStuff->get(string)
#3 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(146): Wikibase\Lib\Store\CachingEntityRevisionLookup->getEntityRevision(Wikibase\DataModel\Entity\ItemId, integer)
#4 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/CachingEntityRevisionLookup.php(126): Wikibase\Lib\Store\CachingEntityRevisionLookup->fetchEntityRevision(Wikibase\DataModel\Entity\ItemId, integer)
#5 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RevisionBasedEntityLookup.php(41): Wikibase\Lib\Store\CachingEntityRevisionLookup->getEntityRevision(Wikibase\DataModel\Entity\ItemId)
#6 [internal function]: Wikibase\Lib\Store\RevisionBasedEntityLookup->getEntity(Wikibase\DataModel\Entity\ItemId)
#7 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/EntityRedirectResolvingDecorator.php(79): call_user_func_array(array, array)
#8 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RedirectResolvingEntityLookup.php(50): Wikibase\Lib\Store\EntityRedirectResolvingDecorator->__call(string, array)
#9 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/lib/includes/store/RedirectResolvingEntityLookup.php(50): Wikibase\Lib\Store\EntityRedirectResolvingDecorator->getEntity(Wikibase\DataModel\Entity\ItemId)
#10 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/SnaksFinder.php(55): Wikibase\Lib\Store\RedirectResolvingEntityLookup->getEntity(Wikibase\DataModel\Entity\ItemId)
#11 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/LanguageAwareRenderer.php(107): Wikibase\DataAccess\PropertyParserFunction\SnaksFinder->findSnaks(Wikibase\DataModel\Entity\ItemId, string, string)
#12 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/LanguageAwareRenderer.php(49): Wikibase\DataAccess\PropertyParserFunction\LanguageAwareRenderer->getStatus(Wikibase\DataModel\Entity\ItemId, string)
#13 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/Runner.php(73): Wikibase\DataAccess\PropertyParserFunction\LanguageAwareRenderer->render(Wikibase\DataModel\Entity\ItemId, string)
#14 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/DataAccess/PropertyParserFunction/Runner.php(120): Wikibase\DataAccess\PropertyParserFunction\Runner->runPropertyParserFunction(Parser, string)
#15 /srv/mediawiki/php-1.25wmf1/extensions/Wikidata/extensions/Wikibase/client/includes/hooks/ParserFunctionRegistrant.php(46): Wikibase\DataAccess\PropertyParserFunction\Runner::render(Parser, string)
#16 [internal function]: Wikibase\Client\Hooks\{closure}(Parser, string)
#17 /srv/mediawiki/php-1.25wmf1/includes/parser/Parser.php(3768): call_user_func_array(Closure, array)
#18 /srv/mediawiki/php-1.25wmf1/includes/parser/Parser.php(3486): Parser->callParserFunction(PPFrame_DOM, string, array)
#19 /srv/mediawiki/php-1.25wmf1/includes/parser/Preprocessor_DOM.php(1179): Parser->braceSubstitution(array, PPFrame_DOM)
#20 /srv/mediawiki/php-1.25wmf1/includes/parser/Parser.php(3296): PPFrame_DOM->expand(PPNode_DOM, integer)
#21 /srv/mediawiki/php-1.25wmf1/includes/parser/Parser.php(1254): Parser->replaceVariables(string)
#22 /srv/mediawiki/php-1.25wmf1/includes/parser/Parser.php(420): Parser->internalParse(string)
#23 /srv/mediawiki/php-1.25wmf1/includes/content/WikitextContent.php(338): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#24 /srv/mediawiki/php-1.25wmf1/includes/content/AbstractContent.php(490): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#25 /srv/mediawiki/php-1.25wmf1/includes/poolcounter/PoolWorkArticleView.php(139): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#26 /srv/mediawiki/php-1.25wmf1/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#27 /srv/mediawiki/php-1.25wmf1/includes/page/Article.php(688): PoolCounterWork->execute()
#28 /srv/mediawiki/php-1.25wmf1/includes/actions/ViewAction.php(44): Article->view()
#29 /srv/mediawiki/php-1.25wmf1/includes/MediaWiki.php(414): ViewAction->show()
#30 /srv/mediawiki/php-1.25wmf1/includes/MediaWiki.php(282): MediaWiki->performAction(Article, Title)
#31 /srv/mediawiki/php-1.25wmf1/includes/MediaWiki.php(584): MediaWiki->performRequest()
#32 /srv/mediawiki/php-1.25wmf1/includes/MediaWiki.php(435): MediaWiki->main()
#33 /srv/mediawiki/php-1.25wmf1/index.php(46): MediaWiki->run()
#34 /srv/mediawiki/w/index.php(3): require(string)
#35 {main}
Comment 5 Aude 2014-09-30 10:11:54 UTC 
opened bug 71461 for "Error at offset 0 of 6 bytes" issue.

I think the original issue here is resolved or not an issue for us.
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