Just experienced with commons. Dealt with UploadStashBadPathException
path doesn't exist
Backtrace:
#0 /home/wikipedia/common/php-1.18/maintenance/cleanupUploadStash.php(68): UploadStash->getFile('zyvzeiza5hg.xab...', true)
#1 /home/wikipedia/common/php-1.18/maintenance/doMaintenance.php(105): UploadStashCleanup->execute()
#2 /home/wikipedia/common/php-1.18/maintenance/cleanupUploadStash.php(75): require_once('/home/wikipedia...')
#3 /home/wikipedia/common/multiversion/MWScript.php(73): require_once('/home/wikipedia...')
#4 {main}