Weird 404 Errors In Log, Request_Uri=*


I’ve just moved my yii application from staging to production, and on the new server my application log is filling up with these errors:

2012/09/27 14:14:38 [error] [exception.CHttpException.404] exception 'CHttpException' with message 'Unable to resolve the request "*".' in /var/www/framework/web/CWebApplication.php:280

Stack trace:

#0 /var/www/framework/web/CWebApplication.php(135): CWebApplication->runController('*')

#1 /var/www/framework/base/CApplication.php(162): CWebApplication->processRequest()

#2 /var/www/html/index.php(16): CApplication->run()

#3 {main}


It seems to happen every couple of minutes, so it’s really annoying. Does anyone know what this is? I’ve read that ‘*’ is an OPTIONS request, but to be honest I have no idea what that means. Should I be worried?

This never happened on the test server; search engines are blocked with robots.txt.