HI Someone please help me i am new to entity beans. I deployed my application successfully to jboss-4.0.4.GA server (default) i don't have ejb3 support. In my application i want to display the records of Book table (Library database)from mysql. So i created 1st entity bean first & then i developed servlet & run xdoclet after creating interfaces i make all possible changes & lastly managed to deployed the application Now my problem is that when i request the servlet "ReadData" through browser then Exception is arises. i am using JBoss IDE1.6 JBoss 4.0.4.GA server mysql 5 with mysql connector Debian Etch my deployment descriptors are: ejb-jar.xml is <ejb-jar > <![CDATA[No Description.]]> <display-name>exampleBMPJAR</display-name> <enterprise-beans> <![CDATA[Description for exampleBMP]]> <display-name>Name for exampleBMP</display-name> <ejb-name>exampleBMP</ejb-name> example.BMP.interfaces.exampleBMPHome example.BMP.interfaces.exampleBMP <local-home>example.BMP.interfaces.exampleBMPLocalHome</local-home> example.BMP.interfaces.exampleBMPLocal <ejb-class>example.BMP.ejb.exampleBMPBean</ejb-class> <persistence-type>Bean</persistence-type> <prim-key-class>example.BMP.interfaces.exampleBMPPK</prim-key-class> False <resource-ref> <res-ref-name>jdbc/bmp-exBMP</res-ref-name> <res-type>javax.sql.DataSource</res-type> <res-auth>Container</res-auth> <res-sharing-scope>Shareable</res-sharing-scope> </resource-ref> </ejb-jar> jboss.xml is <enterprise-beans> <ejb-name>exampleBMP</ejb-name> <jndi-name>exampleBMPBean</jndi-name> </enterprise-beans> jboss-web.xml is <jboss-web> <ejb-ref> <ejb-ref-name>ejb/exampleBMP</ejb-ref-name> <jndi-name>ejb/exampleBMPBean</jndi-name> </ejb-ref> </jboss-web> web.xml is <servlet-name>ReadData</servlet-name> <display-name>Name for ReadData</display-name> <![CDATA[Description for ReadData]]> <servlet-class>example.BMP.Web.ReadData</servlet-class> <servlet-mapping> <servlet-name>ReadData</servlet-name> <url-pattern>/ReadData</url-pattern> </servlet-mapping> <ejb-ref > <![CDATA[Reference to the exampleBMP EJB]]> <ejb-ref-name>ejb/exampleBMP</ejb-ref-name> <ejb-ref-type>BMP</ejb-ref-type> example.BMP.interfaces.exampleBMPHome example.BMP.interfaces.exampleBMP <local-home>example.BMP.interfaces.exampleBMPLocalHome</local-home> example.BMP.interfaces.exampleBMPLocal </ejb-ref> </web-app> My "ReadData" Servlet is public class ReadData extends HttpServlet { exampleBMPHome home; protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,IOException { resp.setContentType("text/html"); PrintWriter out = resp.getWriter(); try{ Context ctx =new InitialContext(); Object obj =ctx.lookup("java:/comp/env/ejb/exampleBMP"); exampleBMPHome home =(exampleBMPHome)PortableRemoteObject.narrow(obj,exampleBMPHome.class); ResultSet rs=home.DisplayData();String s1 = rs.getString("BName"); String s2 = rs.getString("BAuthor"); int s3 = rs.getInt("BPrice"); int s4 = rs.getInt("LCno"); while(rs.next()) { out.print(""); out.print("============================================"); out.println("<h3><FONT COLOR=RED> The Book Name is =</h3><h2>"+s1); out.print("</h2>"); out.println("<h3><FONT COLOR=RED> The Author Name is =</h3><h2>"+s2); out.print("</h2>"); out.println("<h3><FONT COLOR=RED> The Price of Book is =</h3><h2>"+s3); out.print("</h2>"); out.println("<h3><FONT COLOR=RED> The Library card No. is=</h3><h2>"+s4); out.print("</h2>"); out.println("=============================================="); out.print(""); out.print(""); } } catch(Exception e){ System.out.println("The Exception arises is ="+e); } finally { out.println(""); out.close(); } } } my interfaces r exampleBMP is public interface exampleBMP extends javax.ejb.EJBObject { } & same exampleBMPLocal interface exampleBMPHome is public interface exampleBMPHome extends javax.ejb.EJBHome { public static final String COMP_NAME="java:comp/env/ejb/exampleBMP"; public static final String JNDI_NAME="exampleBMP"; public example.BMP.interfaces.exampleBMP create()throws javax.ejb.CreateException,java.rmi.RemoteException; public example.BMP.interfaces.exampleBMP findByPrimaryKey(exampleBMPPK key) throws javax.ejb.FinderException, java.rmi.RemoteException; public ResultSet DisplayData() throws java.rmi.RemoteException; } and same exampleBMPLocalHome interface Nw what is the exact problem in servlet coding where i put Object obj =ctx.lookup("java:/comp/env/ejb/exampleBMP"); whether this is creating problem me as:: javax.naming.NamingException : could not dereference object[Root cause is javax.naming.NameNotFoundException:ejb not bound] Please Help me.....Ashwin Dhiware BE(Computers) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4080835#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...