FindByPrimaryKey not wokring

[mikel]

I am using jboss-tomcat 3.03,
now i have a compound key field that contain a String and Int,
i can create a new entity, but i am not able to use the findByPrimaryKey function, each time it will return OjbectNotFound exception, does anyone what is the problem of it??

[mikel]

I find the problem already,
just typing mistake of my Primary Key class~!!