https://bugzilla.wikimedia.org/show_bug.cgi?id=70149
Bug ID: 70149
Summary: Flow: burst of exceptions
"Formatter/AbstractQuery.php: Did not load root post
Rysujnjdpyb7661r"
Product: MediaWiki extensions
Version: master
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Flow
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Web browser: ---
Mobile Platform: ---
Easy to reproduce, just visit
https://www.mediawiki.org/wiki/Topic:Rysujnjdpyb7661r and you get a 500 error
and one-line
[65700052] 2014-08-29 01:11:29: Fatal exception of type MWException
There was a spike of 15 of these errors in 3 seconds Thursday afternoon SF
time.
Note this is different from the 400 bad request "Invalid value was provided for
loading flow content" pink errorbox "Fatal exception of type
Flow\Exception\InvalidInputException" that you you get from an incorrect URL
like
https://www.mediawiki.org/wiki/Topic:Zysujnjdpyb7661r (first letter changed).
Could be user error, and/or maybe it's a UUID that's found but doesn't have the
right characteristics. (Providing a post or board header UUID as Topic:<UUID>
doesn't cause this error.)
Full stack trace follows:
2014-08-28 23:06:52 mw1151 mediawikiwiki: [821fbe65]
/wiki/Topic:Rysujnjdpyb7661r Exception from line 286 of
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Formatter/AbstractQuery.php:
Did not load root post Rysujnjdpyb7661r
#0
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Formatter/AbstractQuery.php(209):
Flow\Formatter\AbstractQuery->getRootPost(Object(Flow\Model\PostRevision))
#1
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Formatter/TopicListQuery.php(67):
Flow\Formatter\AbstractQuery->buildResult(Object(Flow\Model\PostRevision),
NULL, Object(Flow\Formatter\TopicRow))
#2
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Block/Topic.php(554):
Flow\Formatter\TopicListQuery->getResults(Array)
#3
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Block/Topic.php(470):
Flow\Block\TopicBlock->renderTopicAPI(Object(Flow\Templating), Array)
#4
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/View.php(129):
Flow\Block\TopicBlock->renderAPI(Object(Flow\Templating), Array)
#5
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Actions/Action.php(88):
Flow\View->show(Object(Flow\WorkflowLoader), 'view')
#6
/usr/local/apache/common-local/php-1.24wmf19/extensions/Flow/includes/Actions/Action.php(35):
Flow\Actions\FlowAction->showForAction('view')
#7 /usr/local/apache/common-local/php-1.24wmf19/includes/MediaWiki.php(439):
Flow\Actions\FlowAction->show()
#8 /usr/local/apache/common-local/php-1.24wmf19/includes/MediaWiki.php(307):
MediaWiki->performAction(Object(Article), Object(Title))
#9 /usr/local/apache/common-local/php-1.24wmf19/includes/MediaWiki.php(609):
MediaWiki->performRequest()
#10 /usr/local/apache/common-local/php-1.24wmf19/includes/MediaWiki.php(460):
MediaWiki->main()
#11 /usr/local/apache/common-local/php-1.24wmf19/index.php(46):
MediaWiki->run()
#12 /usr/local/apache/common-local/w/index.php(3):
require('/usr/local/apac...')
#13 {main}
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