⚓ T108819 BadMethodCallException from line 29 of Graph/Graph.body.php: Call to a member function getIsPreview() on a non-object (NULL)

/w/index.php?title=%E7%89%B9%E5%88%A5:MathShowImage&hash=773282d0f15f7cd9b50ac4b8268c896a&mode=mathml 
BadMethodCallException from line 29 of /srv/mediawiki/php-1.26wmf17/extensions/Graph/Graph.body.php:
Call to a member function getIsPreview() on a non-object (NULL) {
"exception":"
[Exception BadMethodCallException] (/srv/mediawiki/php-1.26wmf17/extensions/Graph/Graph.body.php:29)
Call to a member function getIsPreview() on a non-object (NULL)
[stacktrace]
#0 /srv/mediawiki/php-1.26wmf17/includes/Hooks.php(204): Graph\\Singleton::onParserAfterParse(Parser)
#1 /srv/mediawiki/php-1.26wmf17/extensions/Math/MathTexvc.php(397): Hooks::run(string, array)
#2 /srv/mediawiki/php-1.26wmf17/extensions/Math/SpecialMathShowImage.php(96): MathTexvc->getPng()
#3 /srv/mediawiki/php-1.26wmf17/includes/specialpage/SpecialPage.php(384): SpecialMathShowImage->execute(NULL)
#4 /srv/mediawiki/php-1.26wmf17/includes/specialpage/SpecialPageFactory.php(553): SpecialPage->run(NULL)
#5 /srv/mediawiki/php-1.26wmf17/includes/MediaWiki.php(249): SpecialPageFactory::executePath(Title, RequestContext)
#6 /srv/mediawiki/php-1.26wmf17/includes/MediaWiki.php(677): MediaWiki->performRequest()
#7 /srv/mediawiki/php-1.26wmf17/includes/MediaWiki.php(474): MediaWiki->main()
#8 /srv/mediawiki/php-1.26wmf17/index.php(41): MediaWiki->run()
#9 /srv/mediawiki/w/index.php(3): include(string)
#10 {main}
"}

aude raised the priority of this task from to Needs Triage.

Yurik set Security to None.

Reedy renamed this task from BadMethodCallException from line 29 of /srv/mediawiki/php-1.26wmf17/extensions/Graph/Graph.body.php: Call to a member function getIsPreview() on a non-object (NULL) to BadMethodCallException from line 29 of Graph/Graph.body.php: Call to a member function getIsPreview() on a non-object (NULL) .Aug 14 2015, 12:52 PM

Comment Actions

Yup, seems to be the most prevalent error atm. 846 in the last hour

Comment Actions

That's definitely one of the worst parts of the Math extension. The hook is
called to ensure that the png image has really been saved to the
filesystem. That this triggers other extensions is not really desired.
Is there another way to only save the image?