I am using the following versions of the softwares
JDK : j2sdk1.4.2_04
JBOSS: jboss-4.0.2
Eclipse: 3.0.1
JBossIDE eclipse Plugin: 1.4.1.e30

I've created a EJB project. Created a session bean and deployed the project in jboss. When I'm calling the session bean from the servlet it is giving the following error:
javax.naming.NameNotFoundException: ejb not bound

The call from the servlet is like this:

Context context = new InitialContext();
object ref = context.lookup("java:comp/env/ejb/Calculator");
home = (CalculatorHome) PortableRemoteObject.narrow(ref,CalculatorHome.class);


following is the ejb-jar.xml

<ejb-jar >

<![CDATA[No Description.]]>
<display-name>Generated by XDoclet</display-name>

<enterprise-beans>

<!-- Session Beans -->

<![CDATA[Description for Calculator]]>
<display-name>Name for Calculator</display-name>

<ejb-name>Calculator</ejb-name>

edu.coned.uah.interfaces.CalculatorHome
edu.coned.uah.interfaces.Calculator
<ejb-class>edu.coned.uah.ejb.CalculatorSession</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>


</enterprise-beans>
<assembly-descriptor >
</assembly-descriptor>
</ejb-jar>



The jboss.xml is :



<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 , and <message-driven></message-driven>
markup for those beans.
-->


<ejb-name>Calculator</ejb-name>
<jndi-name>ejb/Calculator</jndi-name>



</enterprise-beans>

<resource-managers>
</resource-managers>





When I'm calling the home of the ejb from a main method of a Java Application program, It is working fine.



Can any one please help me out ? it is very important