2017-10-06 07:13:52 [WdctLApAAC4AAHcBSC0AAAAF] mwdebug1002 enwiki 1.31.0-wmf.2 exception ERROR: [WdctLApAAC4AAHcBSC0AAAAF] /w/index.php?title=User:Legoktm/san
dbox&action=submit   Wikimedia\Rdbms\DBReadOnlyError from line 904 of /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/Database.php: Database is r
ead-only: TEST - This request is served by a passive datacenter. If you see this something is really wrong. {"exception_id":"WdctLApAAC4AAHcBSC0AAAAF","except
ion_url":"/w/index.php?title=User:Legoktm/sandbox&action=submit","caught_by":"mwe_handler"} 
[Exception Wikimedia\Rdbms\DBReadOnlyError] (/srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/Database.php:904) Database is read-only: TEST - This
 request is served by a passive datacenter. If you see this something is really wrong.
  #0 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/Database.php(1608): Wikimedia\Rdbms\Database->query(string, string)
  #1 [internal function]: Wikimedia\Rdbms\Database->insert(string, array, string, string)
  #2 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/DBConnRef.php(49): call_user_func_array(array, array)
  #3 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/DBConnRef.php(312): Wikimedia\Rdbms\DBConnRef->__call(string, array)
  #4 /srv/mediawiki/php-1.31.0-wmf.2/extensions/GlobalUsage/includes/GlobalUsage.php(52): Wikimedia\Rdbms\DBConnRef->insert(string, array, string, array)
  #5 /srv/mediawiki/php-1.31.0-wmf.2/extensions/GlobalUsage/includes/GlobalUsageHooks.php(44): GlobalUsage->insertLinks(Title, array, integer, integer)
  #6 /srv/mediawiki/php-1.31.0-wmf.2/includes/Hooks.php(177): GlobalUsageHooks::onLinksUpdateComplete(LinksUpdate, integer)
  #7 /srv/mediawiki/php-1.31.0-wmf.2/includes/Hooks.php(205): Hooks::callHook(string, array, array, NULL)
  #8 /srv/mediawiki/php-1.31.0-wmf.2/includes/deferred/LinksUpdate.php(185): Hooks::run(string, array)
  #9 [internal function]: Closure$LinksUpdate::doUpdate(integer)
  #10 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/database/Database.php(2797): call_user_func_array(Closure$LinksUpdate::doUpdate;3476, array)
  #11 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1311): Wikimedia\Rdbms\Database->runOnTransactionIdleCallbacks(integer
)
  #12 [internal function]: Closure$Wikimedia\Rdbms\LoadBalancer::runMasterPostTrxCallbacks(Wikimedia\Rdbms\DatabaseMysqli)
  #13 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1546): call_user_func_array(Closure$Wikimedia\Rdbms\LoadBalancer::runM
asterPostTrxCallbacks;2288, array)
  #14 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1320): Wikimedia\Rdbms\LoadBalancer->forEachOpenMasterConnection(Closure$Wikimedia\Rdbms\LoadBalancer::runMasterPostTrxCallbacks;2288)
  #15 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/lbfactory/LBFactory.php(232): Wikimedia\Rdbms\LoadBalancer->runMasterPostTrxCallbacks(integer)
  #16 [internal function]: Closure$Wikimedia\Rdbms\LBFactory::commitMasterChanges(Wikimedia\Rdbms\LoadBalancer)
  #17 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/lbfactory/LBFactoryMulti.php(417): call_user_func_array(Closure$Wikimedia\Rdbms\LBFactory::commitMasterChanges;2240, array)
  #18 /srv/mediawiki/php-1.31.0-wmf.2/includes/libs/rdbms/lbfactory/LBFactory.php(234): Wikimedia\Rdbms\LBFactoryMulti->forEachLB(Closure$Wikimedia\Rdbms\LBFactory::commitMasterChanges;2240)
  #19 /srv/mediawiki/php-1.31.0-wmf.2/includes/deferred/DeferredUpdates.php(258): Wikimedia\Rdbms\LBFactory->commitMasterChanges(string)
  #20 /srv/mediawiki/php-1.31.0-wmf.2/includes/deferred/DeferredUpdates.php(210): DeferredUpdates::runUpdate(LinksUpdate, Wikimedia\Rdbms\LBFactoryMulti, string, integer)
  #21 /srv/mediawiki/php-1.31.0-wmf.2/includes/deferred/DeferredUpdates.php(131): DeferredUpdates::execute(array, string, integer)
  #22 /srv/mediawiki/php-1.31.0-wmf.2/includes/MediaWiki.php(897): DeferredUpdates::doUpdates(string)
  #23 /srv/mediawiki/php-1.31.0-wmf.2/includes/MediaWiki.php(719): MediaWiki->restInPeace(string, boolean)
  #24 [internal function]: Closure$MediaWiki::doPostOutputShutdown()
  #25 {main}