FastCGI，Lighttpd接口错误/操作错误

I am getting an Interface Error/ Operational Error while running my Django application with FastCGI.On checking the access log ( of lighttpd) i find these errors pop up which are usually related to closing some db connection or the other. The browser displays one of the two things - Unhandled Exception or Connection Terminated unsuccessfully message. Upon refreshing the page once ( usually) the errors seem to go off. How can I prevent this from happening ? The system really behaves in an erratic fashion.I am getting an Interface Error/ Operational Er