my ekb-jar.xml is as :-
<?xml version="1.0" encoding="UTF-8"?>
<ejb-jar
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd"
version="2.1">
<description>Deployment for General Manager EJB.</description>
<display-name>General Manager</display-name>
<enterprise-beans>
<session>
<description>The GeneralBean retrieves the details for generic Nest objects</description>
<ejb-name>GeneralMgr</ejb-name>
<home>com.app.nest.ejb.general.GeneralMgrHome</home>
<remote>com.app.nest.ejb.general.GeneralMgr</remote>
<ejb-class>com.app.nest.ejb.general.GeneralMgrBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
<env-entry>
<env-entry-name>dataSourceName</env-entry-name>
<env-entry-type>java.lang.String </env-entry-type>
<env-entry-value>generalDataSource</env-entry-value>
</env-entry>
</session>
</enterprise-beans>
</ejb-jar>