New to Java

the program worked fine in another machine.
but when i brought it to my home machine, it showed some 'missing server problems' but i was able solve most of them by importing the jar file for servlet from google app engine sdk package (thats the server im gonna deploy the app into).

and now only this error existing:
package javax.servlet.annotation does not exist

it would be very great if any one can help me out how to solve this problem.

thanks a lot.