https://bugzilla.wikimedia.org/show_bug.cgi?id=21873
Summary: Revision view failed sometimes
Product: MediaWiki
Version: 1.16-svn
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Normal
Component: History/Diffs
AssignedTo: wikibugs-l@lists.wikimedia.org
ReportedBy: xu.jimmy....@gmail.com
This happens while I'm viewing the revisions of an article, no matter by
viewing the diff or checking those deleted revisions.
The article text cannot be shown, instead, a traceback:
----
{{MediaWiki:Tagline}}
MagicWordArray::parseMatch: parameter not found
Backtrace:
#0 /usr/local/apache/common-local/wmf-deployment/includes/MagicWord.php(674):
MagicWordArray->parseMatch(Array)
#1
/usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(3394):
MagicWordArray->matchAndRemove(NULL)
#2
/usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(909):
Parser->doDoubleUnderscore('<div class="mw-...')
#3
/usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(328):
Parser->internalParse('<div class="mw-...')
#4 [internal function]: Parser->parse('<div class="mw-...', Object(Title),
Object(ParserOptions), true, true, NULL)
#5 /usr/local/apache/common-local/wmf-deployment/includes/StubObject.php(58):
call_user_func_array(Array, Array)
#6 /usr/local/apache/common-local/wmf-deployment/includes/StubObject.php(76):
StubObject->_call('parse', Array)
#7 [internal function]: StubObject->__call('parse', Array)
#8 /usr/local/apache/common-local/wmf-deployment/includes/OutputPage.php(905):
StubObject->parse('<div class="mw-...', Object(Title), Object(ParserOptions),
true, true, NULL)
#9 /usr/local/apache/common-local/wmf-deployment/includes/OutputPage.php(2197):
OutputPage->parse('<div class="mw-...', true, true)
#10 /usr/local/apache/common-local/wmf-deployment/includes/EditPage.php(726):
OutputPage->wrapWikiMsg('<div class="mw-...', 'newarticletext')
#11 /usr/local/apache/common-local/wmf-deployment/includes/EditPage.php(438):
EditPage->showIntro()
#12 /usr/local/apache/common-local/wmf-deployment/includes/EditPage.php(351):
EditPage->edit()
#13 /usr/local/apache/common-local/wmf-deployment/includes/Wiki.php(541):
EditPage->submit()
#14 /usr/local/apache/common-local/wmf-deployment/includes/Wiki.php(70):
MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title),
Object(User), Object(WebRequest))
#15 /usr/local/apache/common-local/wmf-deployment/index.php(117):
MediaWiki->performRequestForTitle(Object(Title), Object(Article),
Object(OutputPage), Object(User), Object(WebRequest))
#16 /usr/local/apache/common-local/live-1.5/index.php(3):
require('/usr/local/apac...')
#17 {main}
----
And at the same time, the <title> changed from normal to <title> -
{{#switch:{{int:Conversionname}}|zh|zh-hans|zh-cn|zh-sg=维基百科，自由的百科全书|zh-hant|zh-tw|zh-hk=維基百科，自由的百科全書}}</title>
After some refresh, the error screen would disappear, but about 10m later, it
appears again. Guess there's something wrong with the parser function.
The pages I attempted to view:
* http://zh.wikipedia.org/w/index.php?diff=11856199
*
http://zh.wikipedia.org/w/index.php?title=%E7%B6%AD%E5%9F%BA%E4%BA%BA&action=edit&redlink=1
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