When you go to http://localhost:8082 (JMX HTML-Adaptor) please go and see the JNDI-View MBean. There you have the java: and global namespace. If you are outside of the EJB-Container then you have to use the global namespace. In the glocal namespace you should find you EJB and then use this path as name to look up through JNDI.
You have to narrow to be compliant with EJB 1.1 because you cannot assume that Java RMI is used (RMI-IIOP could be used).
Have fun - Andy