Changing from Oracle Adapter to File IO Adapter

I have an Integration Component(IC) that is running under Oracle adapter. I copied it and instead use a File IO adapter. During testing, I have a runtime error of java def class not found : COM/api/client/BrokerDate. I checked the directory and BrokerDate class. Is there any more configuration I need to do ? Why is it not reading the default webmethods classes ?

Thank you for your reply in advance.