for deploy  one ejb  in weblogic  u should create a jar
file and deploy it(copy it in u'rdomain/application
directory)

this jar file is include this files and directory :
1- META-INF
directory(include:ejb-jar.xml,weblogic-ejb-jar.xml)
2- you'r package..

create a jar file with this files& directories...
and deploy it on to weblogic server..