Dvorapa created this task.
Dvorapa added projects: Pywikibot-tests, Pywikibot, Growth-Team, 
MediaWiki-Configuration, serviceops.
Restricted Application added a subscriber: Liuxinyu970226.

TASK DESCRIPTION
  Pywikibot tests on wpbeta and testwiki are failing lately with the following 
error:
  
    ________________________ TestPageObject.testReferences 
_________________________
    
    self = <tests.page_tests.TestPageObject testMethod=testReferences>
    
        def testReferences(self):
    
            """Test references to a page."""
    
            mainpage = self.get_mainpage()
    
            count = 0
    
            # Ignore redirects for time considerations
    
    >       for p in mainpage.getReferences(follow_redirects=False):
    
    tests/page_tests.py:504: 
    
    _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
_ _ 
    
    pywikibot/data/api.py:2846: in __iter__
    
        self.data = self.request.submit()
    
    pywikibot/data/api.py:2273: in submit
    
        self._data = super(CachedRequest, self).submit()
    
    pywikibot/data/api.py:2057: in submit
    
        if self._internal_api_error(code, error, result):
    
    _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
_ _ 
    
    self = 
tests.TestRequest<wpbeta:en->'/w/api.php?inprop=protection&gbltitle=Main+Page&...&iiprop=timestamp|user|comment|url|size|sha1|metadata&uiprop=blockinfo|hasmsg'>
    
    code = 'internal_api_error_MWUnknownContentModelException'
    
    error = {'*': 'MWUnknownContentModelException at 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(201)
    
    #0 .../wiki/Content_handlers to find out which extensions handle this 
content model.", 'servedby': 'deployment-mediawiki-07'}
    
    result = {'error': {'code': 
'internal_api_error_MWUnknownContentModelException', 'errorclass': 
'MWUnknownContentModelException'...wiki/Content_handlers to find out which 
extensions handle this content model."}, 'servedby': 'deployment-mediawiki-07'}
    
        def _internal_api_error(self, code, error, result):
    
            """Check for internal_api_error_ or readonly and retry.
    
        
    
            @raises APIMWException: internal_api_error or readonly
    
            """
    
            IAE = 'internal_api_error_'
    
            if not (code.startswith(IAE) or code == 'readonly'):
    
                return False
    
        
    
            # T154011
    
            class_name = code if code == 'readonly' else code[len(IAE):]
    
        
    
            del error['code']  # is added via class_name
    
            e = APIMWException(class_name, **error)
    
        
    
            # If the error key is in this table, it is probably a temporary
    
            # problem, so we will retry the edit.
    
            # TODO: T154011: 'ReadOnlyError' seems replaced by 'readonly'
    
            retry = class_name in ['DBConnectionError',  # T64974
    
                                   'DBQueryError',  # T60158
    
                                   'ReadOnlyError',  # T61227
    
                                   'readonly',  # T154011
    
                                   ]
    
        
    
            pywikibot.error('Detected MediaWiki API exception {}{}'
    
                            .format(e, '; retrying' if retry else '; raising'))
    
            # Due to bug T66958, Page's repr may return non ASCII bytes
    
            # Get as bytes in PY2 and decode with the console encoding as
    
            # the rest should be ASCII anyway.
    
            param_repr = str(self._params)
    
            if PY2:
    
                param_repr = param_repr.decode(config.console_encoding)
    
            pywikibot.log('MediaWiki exception {} details:\n'
    
                          '          query=\n{}\n'
    
                          '          response=\n{}'
    
                          .format(class_name,
    
                                  pprint.pformat(param_repr),
    
                                  result))
    
            if not retry:
    
    >           raise e
    
    E           APIMWException: 
internal_api_error_MWUnknownContentModelException: [XuHwcawQBHcAAG3SaIsAAAAW] 
Exception caught: The content model 'CollaborationListContent' is not 
registered on this wiki. See https://www.mediawiki.org/wiki/Content_handlers to 
find out which extensions handle this content model.
    
    E           [errorclass: MWUnknownContentModelException;
    
    E            *: MWUnknownContentModelException at 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(201)
    
    E           #0 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(266): 
MediaWiki\Content\ContentHandlerFactory->validateContentHandler(string, NULL)
    
    E           #1 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(189): 
MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook(string)
    
    E           #2 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(97): 
MediaWiki\Content\ContentHandlerFactory->createForModelID(string)
    
    E           #3 /srv/mediawiki/php-master/includes/Title.php(4395): 
MediaWiki\Content\ContentHandlerFactory->getContentHandler(string)
    
    E           #4 
/srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(414): 
Title->getPageLanguage()
    
    E           #5 
/srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(385): 
ApiQueryInfo->extractPageInfo(integer, Title)
    
    E           #6 /srv/mediawiki/php-master/includes/api/ApiQuery.php(263): 
ApiQueryInfo->execute()
    
    E           #7 /srv/mediawiki/php-master/includes/api/ApiMain.php(1585): 
ApiQuery->execute()
    
    E           #8 /srv/mediawiki/php-master/includes/api/ApiMain.php(525): 
ApiMain->executeAction()
    
    E           #9 /srv/mediawiki/php-master/includes/api/ApiMain.php(496): 
ApiMain->executeActionWithErrorHandling()
    
    E           #10 /srv/mediawiki/php-master/api.php(84): ApiMain->execute()
    
    E           #11 /srv/mediawiki/w/api.php(3): require(string)
    
    E           #12 {main};
    
    E            servedby: deployment-mediawiki-07]
    
    pywikibot/data/api.py:1910: APIMWException
    
    ------------------------------ Captured log call 
-------------------------------
    
    logging.py                 109 WARNING  API error 
internal_api_error_MWUnknownContentModelException: [XuHwcawQBHcAAG3SaIsAAAAW] 
Exception caught: The content model 'CollaborationListContent' is not 
registered on this wiki. See https://www.mediawiki.org/wiki/Content_handlers to 
find out which extensions handle this content model.
    
    logging.py                 109 ERROR    Detected MediaWiki API exception 
internal_api_error_MWUnknownContentModelException: [XuHwcawQBHcAAG3SaIsAAAAW] 
Exception caught: The content model 'CollaborationListContent' is not 
registered on this wiki. See https://www.mediawiki.org/wiki/Content_handlers to 
find out which extensions handle this content model.
    
    [errorclass: MWUnknownContentModelException;
    
     *: MWUnknownContentModelException at 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(201)
    
    #0 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(266): 
MediaWiki\Content\ContentHandlerFactory->validateContentHandler(string, NULL)
    
    #1 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(189): 
MediaWiki\Content\ContentHandlerFactory->createContentHandlerFromHook(string)
    
    #2 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(97): 
MediaWiki\Content\ContentHandlerFactory->createForModelID(string)
    
    #3 /srv/mediawiki/php-master/includes/Title.php(4395): 
MediaWiki\Content\ContentHandlerFactory->getContentHandler(string)
    
    #4 /srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(414): 
Title->getPageLanguage()
    
    #5 /srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(385): 
ApiQueryInfo->extractPageInfo(integer, Title)
    
    #6 /srv/mediawiki/php-master/includes/api/ApiQuery.php(263): 
ApiQueryInfo->execute()
    
    #7 /srv/mediawiki/php-master/includes/api/ApiMain.php(1585): 
ApiQuery->execute()
    
    #8 /srv/mediawiki/php-master/includes/api/ApiMain.php(525): 
ApiMain->executeAction()
    
    #9 /srv/mediawiki/php-master/includes/api/ApiMain.php(496): 
ApiMain->executeActionWithErrorHandling()
    
    #10 /srv/mediawiki/php-master/api.php(84): ApiMain->execute()
    
    #11 /srv/mediawiki/w/api.php(3): require(string)
    
    #12 {main};
    
     servedby: deployment-mediawiki-07]; raising
    
    logging.py                 109 VERBOSE  MediaWiki exception 
MWUnknownContentModelException details:
    
              query=
    
    u"{u'inprop': [u'protection'], u'gbltitle': [u'Main Page'], 
u'gblfilterredir': [u'nonredirects'], u'maxlag': ['5'], u'generator': 
[u'backlinks'], u'format': [u'json'], u'gbllimit': [u'500'], u'prop': [u'info', 
u'imageinfo', u'categoryinfo'], u'iilimit': [u'max'], u'continue': [True], 
u'meta': [u'userinfo'], u'indexpageids': [True], u'action': [u'query'], 
u'iiprop': [u'timestamp', u'user', u'comment', u'url', u'size', u'sha1', 
u'metadata'], u'uiprop': [u'blockinfo', u'hasmsg']}"
    
              response=
    
    {u'servedby': u'deployment-mediawiki-07', u'error': {u'info': 
u"[XuHwcawQBHcAAG3SaIsAAAAW] Exception caught: The content model 
'CollaborationListContent' is not registered on this wiki. See 
https://www.mediawiki.org/wiki/Content_handlers to find out which extensions 
handle this content model.", u'errorclass': u'MWUnknownContentModelException', 
u'code': u'internal_api_error_MWUnknownContentModelException', u'help': 
u'MWUnknownContentModelException at 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(201)\n#0 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(266): 
MediaWiki\\Content\\ContentHandlerFactory->validateContentHandler(string, 
NULL)\n#1 
/srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(189): 
MediaWiki\\Content\\ContentHandlerFactory->createContentHandlerFromHook(string)\n#2
 /srv/mediawiki/php-master/includes/content/ContentHandlerFactory.php(97): 
MediaWiki\\Content\\ContentHandlerFactory->createForModelID(string)\n#3 
/srv/mediawiki/php-master/includes/Title.php(4395): 
MediaWiki\\Content\\ContentHandlerFactory->getContentHandler(string)\n#4 
/srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(414): 
Title->getPageLanguage()\n#5 
/srv/mediawiki/php-master/includes/api/ApiQueryInfo.php(385): 
ApiQueryInfo->extractPageInfo(integer, Title)\n#6 
/srv/mediawiki/php-master/includes/api/ApiQuery.php(263): 
ApiQueryInfo->execute()\n#7 
/srv/mediawiki/php-master/includes/api/ApiMain.php(1585): 
ApiQuery->execute()\n#8 
/srv/mediawiki/php-master/includes/api/ApiMain.php(525): 
ApiMain->executeAction()\n#9 
/srv/mediawiki/php-master/includes/api/ApiMain.php(496): 
ApiMain->executeActionWithErrorHandling()\n#10 
/srv/mediawiki/php-master/api.php(84): ApiMain->execute()\n#11 
/srv/mediawiki/w/api.php(3): require(string)\n#12 {main}'}}
  
  https://travis-ci.org/github/wikimedia/pywikibot/jobs/696588560#L1239
  
  Note: Created as a copy of T249705 <https://phabricator.wikimedia.org/T249705>

TASK DETAIL
  https://phabricator.wikimedia.org/T255105

EMAIL PREFERENCES
  https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Dvorapa
Cc: pywikibot-bugs-list, Aklapper, kostajh, ssastry, Jdforrester-WMF, cscott, 
Joe, Anomie, Xqt, Hsarrazin, Framawiki, Nattes, RhinosF1, Dvorapa, 
Liuxinyu970226, JohnsonLee01, SHEKH, wkandek, Dijkstra, JMeybohm, NavinRizwi, 
Khutuck, Zkhalido, Viztor, DannyS712, Wenyi, jijiki, Jayprakash12345, Tbscho, 
MayS, Mdupont, JJMC89, Altostratus, Taiwania_Justo, Avicennasis, MGChecker, 
mys_721tx, jayvdb, Masti, Alchimista, Rxy, Jay8g, Krenair, Dzahn, Legoktm
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