Last modified: 2014-09-30 17:59:17 UTC

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Bug 70736 - Unexpected non-MediaWiki exception encountered, of type "BadMethodCallException" on line 275 of Entity.php
Unexpected non-MediaWiki exception encountered, of type "BadMethodCallExcepti...
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: 2014-09-11 19:16 UTC by Aude
Modified: 2014-09-30 17:59 UTC (History)
2 users (show)

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

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Description Aude 2014-09-11 19:16:42 UTC 
when visiting http://wikidata.beta.wmflabs.org/wiki/Q2558

Unexpected non-MediaWiki exception encountered, of type "BadMethodCallException"
[ec15e214] /wiki/Q2558 Exception from line 275 of /srv/mediawiki/php-master/extensions/Wikidata/vendor/wikibase/data-model/src/Entity/Entity.php: Call to a member function getLabels() on a non-object (NULL)
Backtrace:
#0 /srv/mediawiki/php-master/extensions/Wikidata/vendor/wikibase/data-model/src/Entity/Entity.php(223): Wikibase\DataModel\Entity\Entity->getMultilangTexts(string, NULL)
#1 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/EntityIdLabelFormatter.php(147): Wikibase\DataModel\Entity\Entity->getLabels()
#2 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/EntityIdHtmlLinkFormatter.php(61): Wikibase\Lib\EntityIdLabelFormatter->lookupEntityLabel(Wikibase\DataModel\Entity\ItemId)
#3 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/EntityIdFormatter.php(38): Wikibase\Lib\EntityIdHtmlLinkFormatter->formatEntityId(Wikibase\DataModel\Entity\ItemId)
#4 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/DispatchingValueFormatter.php(73): Wikibase\Lib\EntityIdFormatter->format(Wikibase\DataModel\Entity\ItemId)
#5 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/PropertyValueSnakFormatter.php(291): Wikibase\Lib\DispatchingValueFormatter->formatValue(Wikibase\DataModel\Entity\EntityIdValue, string)
#6 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/PropertyValueSnakFormatter.php(161): Wikibase\Lib\PropertyValueSnakFormatter->formatValue(Wikibase\DataModel\Entity\EntityIdValue, string)
#7 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/lib/includes/formatters/DispatchingSnakFormatter.php(77): Wikibase\Lib\PropertyValueSnakFormatter->formatSnak(Wikibase\DataModel\Snak\PropertyValueSnak)
#8 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/View/SnakHtmlGenerator.php(124): Wikibase\Lib\DispatchingSnakFormatter->formatSnak(Wikibase\DataModel\Snak\PropertyValueSnak)
#9 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/View/SnakHtmlGenerator.php(63): Wikibase\Repo\View\SnakHtmlGenerator->getFormattedSnakValue(Wikibase\DataModel\Snak\PropertyValueSnak)
#10 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/ClaimHtmlGenerator.php(65): Wikibase\Repo\View\SnakHtmlGenerator->getSnakHtml(Wikibase\DataModel\Snak\PropertyValueSnak, array, boolean)
#11 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/View/ClaimsView.php(206): Wikibase\ClaimHtmlGenerator->getHtmlForClaim(Wikibase\DataModel\Statement\Statement, array, string)
#12 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/View/ClaimsView.php(87): Wikibase\Repo\View\ClaimsView->getHtmlForClaimGroup(array, array)
#13 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/ItemView.php(34): Wikibase\Repo\View\ClaimsView->getHtml(array, string)
#14 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/EntityView.php(208): Wikibase\ItemView->getInnerHtml(Wikibase\EntityRevision, boolean)
#15 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/EntityView.php(392): Wikibase\EntityView->getHtml(Wikibase\EntityRevision, boolean)
#16 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/content/EntityContent.php(261): Wikibase\EntityView->getParserOutput(Wikibase\EntityRevision, boolean, boolean)
#17 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/content/EntityContent.php(207): Wikibase\EntityContent->getParserOutputFromEntityView(Title, integer, ParserOptions, boolean)
#18 /srv/mediawiki/php-master/includes/poolcounter/PoolWorkArticleView.php(139): Wikibase\EntityContent->getParserOutput(Title, integer, ParserOptions)
#19 /srv/mediawiki/php-master/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#20 /srv/mediawiki/php-master/includes/page/Article.php(688): PoolCounterWork->execute()
#21 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/actions/ViewEntityAction.php(201): Article->view()
#22 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/repo/includes/actions/ViewEntityAction.php(125): Wikibase\ViewEntityAction->displayEntityContent(Wikibase\ItemContent)
#23 /srv/mediawiki/php-master/includes/MediaWiki.php(414): Wikibase\ViewEntityAction->show()
#24 /srv/mediawiki/php-master/includes/MediaWiki.php(282): MediaWiki->performAction(Article, Title)
#25 /srv/mediawiki/php-master/includes/MediaWiki.php(584): MediaWiki->performRequest()
#26 /srv/mediawiki/php-master/includes/MediaWiki.php(435): MediaWiki->main()
#27 /srv/mediawiki/php-master/index.php(46): MediaWiki->run()
#28 /srv/mediawiki/w/index.php(3): include(string)
#29 {main}
Comment 1 Aude 2014-09-11 19:23:34 UTC 
when tryign to login to en.wikipedia.beta.wmflabs.org (upon being redirected to the Main Page)

Unexpected non-MediaWiki exception encountered, of type "BadMethodCallException"
[31e0bddf] /wiki/Main_Page Exception from line 164 of /srv/mediawiki/php-master/extensions/Wikidata/vendor/wikibase/data-model/src/Entity/Item.php: Call to a member function hasLinkWithSiteId() on a non-object (NULL)
Backtrace:
#0 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/client/includes/ClientSiteLinkLookup.php(83): Wikibase\DataModel\Entity\Item->hasLinkToSite(string)
#1 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/client/includes/hooks/LanguageLinkBadgeDisplay.php(82): Wikibase\Client\ClientSiteLinkLookup->getSiteLink(Title, string)
#2 /srv/mediawiki/php-master/extensions/Wikidata/extensions/Wikibase/client/WikibaseClient.hooks.php(437): Wikibase\Client\Hooks\LanguageLinkBadgeDisplay->assignBadges(Title, Title, array)
#3 /srv/mediawiki/php-master/includes/Hooks.php(206): Wikibase\ClientHooks::onSkinTemplateGetLanguageLink(array, Title, Title)
#4 /srv/mediawiki/php-master/includes/GlobalFunctions.php(3984): Hooks::run(string, array, NULL)
#5 /srv/mediawiki/php-master/includes/skins/SkinTemplate.php(204): wfRunHooks(string, array)
#6 /srv/mediawiki/php-master/includes/skins/SkinTemplate.php(512): SkinTemplate->getLanguages()
#7 /srv/mediawiki/php-master/includes/skins/SkinTemplate.php(274): SkinTemplate->prepareQuickTemplate()
#8 /srv/mediawiki/php-master/includes/OutputPage.php(2171): SkinTemplate->outputPage()
#9 /srv/mediawiki/php-master/includes/MediaWiki.php(594): OutputPage->output()
#10 /srv/mediawiki/php-master/includes/MediaWiki.php(435): MediaWiki->main()
#11 /srv/mediawiki/php-master/index.php(46): MediaWiki->run()
#12 /srv/mediawiki/w/index.php(3): include(string)
#13 {main}
Comment 2 Aude 2014-09-15 15:39:26 UTC 
ok, this can easily be reproduced.

having an item stored in memcached, then deploy new code, and load a client page that uses an entity, and *boom*.

we normally do not bump the shared cache key for the entity caching on beta, but seems we should and need to.

i also get warning like:

PHP Warning: Class Wikibase\DataModel\Entity\Item has no unserializer in 

when trying to fetch an entity from the CachingEntityRevisionLookup



For test.wikidata, we did bump the cache key and there shouldn't have been a problem.
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