integartion

Hi

I have a two project
first normal j2ee project

second project-java project which connects to data ,take the data from data file and then insert it into database.
This data is displayed by jsp pages in first project

Now I to integrate this I made a jar file of second project and added in lib of web-inf/lib

But no action . making jar file approach is correct or not? any other idea.
.Independently the seoncd project is working

Other option is to make dependency to each other but it wont work as I have to give everything in single war file
regards