Nov 13 16:23:33 mw1059: PHP Warning: Search backend error during full_text search for ' ' after 29. Parse error on ' ': Encountered "<EOF>" at line 1, column 2. [Called from CirrusSearch\ElasticsearchIntermediary::failure in /srv/mediawiki/php-1.25wmf7/extensions/CirrusSearch/includes/ElasticsearchIntermediary.php at line 97] in /srv/mediawiki/php-1.25wmf7/includes/debug/MWDebug.php on line 302
relatively commonly in production. We should figure out why. You aren't supposed to be able to search for just spaces because that doesn't work.