I created a package and org.wso2.carbon.device.mgt.core.log.mgt created some functions in it.
Added my new Build of Carbon Device core as a project dependency to WSO2 MDM - Mobile Device Management Admin Services precisely the Operations Class Build the project and Deployed it.
On loading it failed with Error being Caused by: java.lang.IncompatibleClassChangeError: Implementing class
Any Help will be greatly apreciated. My Goal Create functions in Carbon device Core and Common following your Design. Call the functions in my webservice