https://bugzilla.wikimedia.org/show_bug.cgi?id=61349
Bug ID: 61349
Summary: Flow: a few fatals from TopicListEntry::toStorageRow
in API call on mediawiki.org 1.in 23wmf13
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]
Web browser: ---
Mobile Platform: ---
I saw this in production fatal.log This is on mediawiki.org and was prior to
today's deploy of 1.23wmf14
[13-Feb-2014 11:32:05] Catchable fatal error: Argument 1 passed to
Flow\Model\TopicListEntry::toStorageRow() must be an instance of
Flow\Model\TopicListEntry, null given at
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Model/TopicListEntry.php
on line 34
Server: mw1204
Method: GET
URL:
http://www.mediawiki.org/w/api.php?action=query&format=json&list=flow&flowpage=Talk%3ASandbox&flowworkflow=rl7iby6wgksbpfno&flowparams=%7B%22topiclist%22%3A%7B%22offset-dir%22%3A%22fwd%22%2C%22offset-id%22%3A%22rocpxec9qyafpbwk%22%2C%22limit%22%3A10%2C%22render%22%3Atrue%7D%7D
Cookie: centralauth_User=<someUser>; centralauth_Token=<blahblah>;
forceHTTPS=1; mediawikiwikiSession=<blahblah>; centralnotice_bucket=0-4.2
mw.org is now running 1.23wmf14. That API URL now works for me, it returns
valid JSON with a header element and a block containing 10 topics. Cleaned up
it's
http://www.mediawiki.org/w/api.php?
action=query&
format=json&
list=flow&
flowpage=Talk:Sandbox&
flowworkflow=rl7iby6wgksbpfno&
flowparams={
"topiclist": {
"offset-dir": "fwd",
"offset-id": "rocpxec9qyafpbwk",
"limit": 10,
"render": true
}
}
checking the February logs there was a nearly identical fatal on February 8 in
fluorine:/a/mw-log/archive/fatal.log-20140208.gz, but on Talk:Flow
Here's the backtrace of the one today, again the Feb 8 is nearly identical.
Backtrace:
#0
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Model/TopicListEntry.php(34):
Flow\Model\TopicListEntry::toStorageRow()
#1 [internal function]: Flow\Model\TopicListEntry::toStorageRow(NULL)
#2
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Data/ObjectManager.php(630):
call_user_func(Array, NULL)
#3
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Data/ObjectManager.php(589):
Flow\Data\BasicObjectMapper->toStorageRow(NULL)
#4
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Data/Pager.php(107):
Flow\Data\ObjectManager->serializeOffset(NULL, Array)
#5
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Data/Pager.php(79):
Flow\Data\Pager->makePagingLink('rev', NULL, 10)
#6
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Data/Pager.php(40):
Flow\Data\Pager->processPage('fwd', Object(Flow\Model\UUID), 10, NULL)
#7
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Block/TopicList.php(279):
Flow\Data\Pager->getPage()
#8
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/Block/TopicList.php(207):
Flow\Block\TopicListBlock->getPage(Array)
#9
/usr/local/apache/common-local/php-1.23wmf13/extensions/Flow/includes/api/ApiQueryFlow.php(45):
Flow\Block\TopicListBlock->renderAPI(Object(Flow\Templating), Array)
#10
/usr/local/apache/common-local/php-1.23wmf13/includes/api/ApiQuery.php(279):
ApiQueryFlow->execute()
#11 /usr/local/apache/common-local/php-1.23wmf13/includes/api/ApiMain.php(861):
ApiQuery->execute()
#12 /usr/local/apache/common-local/php-1.23wmf13/includes/api/ApiMain.php(362):
ApiMain->executeAction()
#13 /usr/local/apache/common-local/php-1.23wmf13/includes/api/ApiMain.php(333):
ApiMain->executeActionWithErrorHandling()
#14 /usr/local/apache/common-local/php-1.23wmf13/api.php(76):
ApiMain->execute()
#15 /usr/local/apache/common-local/w/api.php(3): require('/usr/local/apac...')
#16 {main}
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