Last modified: 2006-10-03 18:30:33 UTC

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Bug 7458 - Unstub loop
Unstub loop
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
User preferences (Other open bugs)
1.8.x
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
http://fr.wikipedia.org/w/index.php?t...
: patch, patch-need-review
: 7449 (view as bug list)
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2006-10-01 15:36 UTC by JeLuF
Modified: 2006-10-03 18:30 UTC (History)
1 user (show)

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

Attachments
patch (1 line) (546 bytes, patch)
2006-10-01 16:03 UTC, Dan Li 		Details
Add an attachment (proposed patch, testcase, etc.)

Description JeLuF 2006-10-01 15:36:47 UTC 
Got this when saving my preferences on the French Wikipedia:

Original exception: exception 'MWException' with message 'Unstub loop detected
on call of $wgUser->getOption from StubUserLang::_newObject
' in /usr/local/apache/common-local/php-1.5/includes/StubObject.php:54
Stack trace:
#0 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('getOption', 5)
#1 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(114):
StubObject->_call('getOption', Array)
#2 [internal function]: StubUser->__call('getOption', Array)
#3 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(94):
StubUser->getOption('language')
#4 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(57):
StubUserLang->_newObject()
#5 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('getCode', 5)
#6 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(87):
StubObject->_call('getCode', Array)
#7 [internal function]: StubUserLang->__call('getCode', Array)
#8 /usr/local/apache/common-local/php-1.5/includes/MessageCache.php(423):
StubUserLang->getCode()
#9 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(422):
MessageCache->get('readonly_lag', false, false)
#10 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(381):
wfMsgGetKey('readonly_lag', false, false, true)
#11 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(353):
wfMsgReal('readonly_lag', Array, false)
#12 /usr/local/apache/common-local/php-1.5/includes/LoadBalancer.php(164):
wfMsgNoDB('readonly_lag')
#13 /usr/local/apache/common-local/php-1.5/includes/LoadBalancer.php(345):
LoadBalancer->getReaderIndex()
#14 /usr/local/apache/common-local/php-1.5/includes/DatabaseFunctions.php(52):
LoadBalancer->getConnection(-1, true, Array)
#15 /usr/local/apache/common-local/php-1.5/includes/User.php(893): wfGetDB(-1)
#16 /usr/local/apache/common-local/php-1.5/includes/User.php(828):
User->loadFromDatabase()
#17 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(123):
User->loadFromSession()
#18 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(57):
StubUser->_newObject()
#19 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('getOption', 5)
#20 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(114):
StubObject->_call('getOption', Array)
#21 [internal function]: StubUser->__call('getOption', Array)
#22 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(94):
StubUser->getOption('language')
#23 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(57):
StubUserLang->_newObject()
#24 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('getCode', 5)
#25 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(87):
StubObject->_call('getCode', Array)
#26 [internal function]: StubUserLang->__call('getCode', Array)
#27 /usr/local/apache/common-local/php-1.5/includes/MessageCache.php(423):
StubUserLang->getCode()
#28 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(422):
MessageCache->get('readonly_lag', false, false)
#29 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(381):
wfMsgGetKey('readonly_lag', false, false, true)
#30 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(353):
wfMsgReal('readonly_lag', Array, false)
#31 /usr/local/apache/common-local/php-1.5/includes/LoadBalancer.php(164):
wfMsgNoDB('readonly_lag')
#32 /usr/local/apache/common-local/php-1.5/includes/LoadBalancer.php(345):
LoadBalancer->getReaderIndex()
#33 [internal function]: LoadBalancer->getConnection(-1, true, Array)
#34 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(32):
call_user_func_array(Array, Array)
#35 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(40):
StubObject->_call('getConnection', Array)
#36 [internal function]: StubObject->__call('getConnection', Array)
#37 /usr/local/apache/common-local/php-1.5/includes/DatabaseFunctions.php(52):
StubObject->getConnection(-1, true, Array)
#38 /usr/local/apache/common-local/php-1.5/includes/User.php(893): wfGetDB(-1)
#39 /usr/local/apache/common-local/php-1.5/includes/User.php(828):
User->loadFromDatabase()
#40 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(123):
User->loadFromSession()
#41 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(57):
StubUser->_newObject()
#42 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('isAllowed', 5)
#43 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(114):
StubObject->_call('isAllowed', Array)
#44 [internal function]: StubUser->__call('isAllowed', Array)
#45 /usr/local/apache/common-local/php-1.5/includes/Title.php(1140):
StubUser->isAllowed('read')
#46 /usr/local/apache/common-local/php-1.5/includes/Wiki.php(109):
Title->userCanRead()
#47 /usr/local/apache/common-local/php-1.5/includes/Wiki.php(45):
MediaWiki->preliminaryChecks(Object(Title), Object(StubObject), Object(WebRequest))
#48 /usr/local/apache/common-local/php-1.5/index.php(47):
MediaWiki->initialize(Object(Title), Object(StubObject), Object(StubUser),
Object(WebRequest))
#49 /usr/local/apache/common-local/live-1.5/index.php(3):
require('/usr/local/apac...')
#50 {main}

Exception caught inside exception handler: exception 'MWException' with message
'Unstub loop detected on call of $wgLang->getCode from MessageCache::get
' in /usr/local/apache/common-local/php-1.5/includes/StubObject.php:54
Stack trace:
#0 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(31):
StubObject->_unstub('getCode', 5)
#1 /usr/local/apache/common-local/php-1.5/includes/StubObject.php(87):
StubObject->_call('getCode', Array)
#2 [internal function]: StubUserLang->__call('getCode', Array)
#3 /usr/local/apache/common-local/php-1.5/includes/MessageCache.php(423):
StubUserLang->getCode()
#4 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(422):
MessageCache->get('internalerror', true, false)
#5 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(381):
wfMsgGetKey('internalerror', true, false, true)
#6 /usr/local/apache/common-local/php-1.5/includes/GlobalFunctions.php(288):
wfMsgReal('internalerror', Array, true)
#7 /usr/local/apache/common-local/php-1.5/includes/Exception.php(37):
wfMsg('internalerror')
#8 /usr/local/apache/common-local/php-1.5/includes/Exception.php(96):
MWException->getPageTitle()
#9 /usr/local/apache/common-local/php-1.5/includes/Exception.php(63):
MWException->htmlHeader()
#10 /usr/local/apache/common-local/php-1.5/includes/Exception.php(82):
MWException->reportHTML()
#11 /usr/local/apache/common-local/php-1.5/includes/Exception.php(158):
MWException->report()
#12 /usr/local/apache/common-local/php-1.5/includes/Exception.php(192):
wfReportException(Object(MWException))
#13 [internal function]: wfExceptionHandler(Object(MWException))
#14 {main}
Comment 1 Dan Li 2006-10-01 15:41:12 UTC 
*** Bug 7449 has been marked as a duplicate of this bug. ***
Comment 2 Dan Li 2006-10-01 16:03:37 UTC 
Created attachment 2426 [details]
patch (1 line)

You didn't miss much; the databases were lagging anyways. ;)

Attached patch changes LoadBalancer::getReaderIndex(), which is called from
StubUser::_newObject(), to use wfMsgNoDBForContent instead of wfMsgNoDB.
Comment 3 JeLuF 2006-10-03 18:30:33 UTC 
Committed patch as revision 16765.
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