Same problem.
Here is what my jboss.xml looks like. I also confirmed it to be the same in JBOSS deployment folder as I made the change in eclipse.
<?
xml version="1.0" encoding="UTF-8"?><!
DOCTYPE jboss PUBLIC "-//JBoss//DTD JBOSS 3.0//EN" "http://www.jboss.org/j2ee/dtd/jboss_3_0.dtd">
<
jboss>
<enterprise-beans>
<!--To add beans that you have deployment descriptor info for, add
a file to your XDoclet merge directory called jboss-beans.xml that contains
the <session></session>, <entity></entity> and <message-driven></message-driven>
markup for those beans.
-->
<session>
<ejb-name>CalculationAppealsPortalManagerBean</ejb-name>
<jndi-name>CalculationAppealsPortalManagerBean</jndi-name>
<local-jndi-name>CalculationAppealsPortalManagerBean</local-jndi-name>
</session>
<session>
<ejb-name>CalculationAppealsPortalManagerBean</ejb-name>
<jndi-name>ejb/CalculationAppealsPortalManagerBean
</jndi-name>
</session><!--
<message-driven>
<ejb-name>MessageFileUpload</ejb-name>
</message-driven>
--><!--
write a merge file jboss-webservices.ent for webservice-description
-->
</enterprise-beans>
<resource-managers>
</resource-managers>
<!--| for container settings, you can merge in jboss-container.xml
| this can contain <invoker-proxy-bindings/> and <container-configurations/>
-->
</
jboss>