Actually after resolved jndi name problem i get one new error that is
java.lang.ClassCastException: $Proxy0 cannot be cast to My.DemoHome
if anyone have any idea what is this so please give me suitable soluation
to resolve that problem.........
atul12345 wrote:
>
> Dear Sir,
>
> I am new programmer to Geronimo and EJB which are running on
> gentoo. i am createing stateful session bean like that........
> This is remote Interface..........
> package My;
>
> import java.rmi.*;
>
> import javax.ejb.*;
>
> public interface DemoInter extends EJBObject
> {
> public int add(int a,int b) throws RemoteException;
> }
>
>
> This is Home Interface..........
> package My;
>
> import javax.ejb.*;
> import java.rmi.*;
>
>
>
> public interface DemoHome extends EJBHome
> {
> public DemoInter create() throws CreateException,RemoteException;
> }
>
> This is Bean class............
>
> package My;
>
> import java.rmi.*;
>
> import javax.ejb.*;
>
> public class DemoBean implements SessionBean
> {
> public DemoBean() {
> // TODO Auto-generated constructor stub
> }
> public void ejbCreate()
> {
> System.out.println("ejbCreate()");
> }
>
> public void ejbRemove()
> {
> System.out.println("ejbRemove()");
> }
>
>
> public void ejbActivate()
> {
> System.out.println("ejbActivate()");
> }
>
> public void ejbPassivate()
> {
> System.out.println("ejbPassivate()");
> }
>
>
> public void setSessionContext(SessionContext ctx){}
>
>
> public int add(int a,int b) throws RemoteException
> {
> return (a+b);
> }
>
> }
>
>
> open-ejb.xml is where i specified the jndi name
>
> <openejb-jar xmlns="http://www.openejb.org/xml/ns/openejb-jar-2.1";
> xmlns:naming="http://geronimo.apache.org/xml/ns/naming-1.1";
>
> xmlns:security="http://geronimo.apache.org/xml/ns/security-1.1";
> xmlns:sys="http://geronimo.apache.org/xml/ns/deployment-1.1";>
>
> <enterprise-beans>
> <session>
> <ejb-name>Demo</ejb-name>
> <jndi-name>org.geronimo.ejbsample.HomeBean</jndi-name>
> </session>
> </enterprise-beans>
> </openejb-jar>
>
>
>
>
>
>
>
>
> and this is my client code...........
>
> import java.util.*;
> import javax.naming.*;
> import javax.rmi.*;
> import My.*;
>
>
> public class Client {
>
> /**
> * @param args
> */
> public static void main(String[] args) {
> // TODO Auto-generated method stub
> try {
>
> Properties properties=new Properties();
> properties.setProperty(Context.INITIAL_CONTEXT_FACTORY,
> "org.apache.openejb.client.RemoteInitialContextFactory");
>
> properties.setProperty(Context.PROVIDER_URL,
> "ejbd://localhost:4201" );
>
> Context ctx=new InitialContext(properties);
>
> My.DemoHome
> home=(My.DemoHome)ctx.lookup("java:org.geronimo.ejbsample.HomeBean");
>
> My.DemoInter object =home.create();
> System.out.println(object.add(12,22));
>
> that is my code, everything is ok means deploy successfully but problem is
> when i execute client program, that time i get error that is
>
> javax.naming.NameNotFoundException: org.geronimo.ejbsample.HomeBean does
> not exist in the system. Check that the app was successfully deployed.
> So if anybody know how to resolve this problem then please give me
> suitable suggestion to resolve this problem..
>
>
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