I have put the entries correctly in ejb-jar.xml. I don't think that is the problem. Here is the ejb-jar.xml file.
<?xml version = '1.0' encoding = 'windows-1252'?>
<ejb-jar 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" xmlns="http://java.sun.com/xml/ns/j2ee">
<enterprise-beans>
<entity>
<description>Entity Bean ( CMP )</description>
<display-name>Employees</display-name>
<ejb-name>Employees</ejb-name>
<home>com.pd.employee.EmployeesHome</home>
<remote>com.pd.employee.EmployeesRemote</remote>
<ejb-class>com.pd.employee.EmployeesBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
<reentrant>false</reentrant>
<cmp-version>2.x</cmp-version>
<abstract-schema-name>Employees</abstract-schema-name>
<cmp-field>
<field-name>id</field-name>
</cmp-field>
<cmp-field>
<field-name>lastName</field-name>
</cmp-field>
<cmp-field>
<field-name>firstName</field-name>
</cmp-field>
<primkey-field>id</primkey-field>
<query>
<query-method>
<method-name>findAll</method-name>
<method-params/>
</query-method>
<ejb-ql>select object(o) from Employees o</ejb-ql>
</query>
</entity>
</enterprise-beans>
<assembly-descriptor>
<container-transaction>
<method>
<ejb-name>Employees</ejb-name>
<method-name>*</method-name>
</method>
<trans-attribute>Supports</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>
regards,
Jatin