Saw this like 2-3 times, restarting indexing from the failure point continues fine without error. Wanted to log it so I don't forget to look for this later.
Fatal error: Call to a member function isOk() on a non-object in /usr/local/apache/common-local/php-1.22wmf22/extensions/CirrusSearch/includes/CirrusSearchUpdater.php on line 161
Version: master
Severity: normal