From: Felipe Gaúcho <fgaucho_at_gmail.com>
Date: Fri, 8 May 2009 07:35:59 +0200

are you splitting the interface with the implementation and including
it in the lib folder of the EAR ?

usually the problems are in the package and not in the code.......

are you using maven to pack ?

http://maven.apache.org/plugins/maven-ear-plugin/howto.html