Hi Atul, It looks like you're doing a remote lookup. I think your client code should look something similar to
My.DemoInter remoteObj =(My.DemoInter)ctx.lookup(<jndi for remote interface>); Let me know if this works. Thanks, Viet On Wed, Apr 2, 2008 at 4:12 AM, atul12345 <[EMAIL PROTECTED]> wrote: > > > > atul12345 wrote: > > > > > > > > Hi Sir, > > Thanks for help. I appreciate your attention. See ya! > > This is my ejb-jar.xml file here i do have all the classes means > > interface name. > > > > <ejb-jar id="ejb-jar_1" 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>Example of a session bean</description> > > <display-name>MyTimeBeanEJBName</display-name> > > <enterprise-beans> > > <session id="Session_MyTime"> > > > > <ejb-name>My.DemoEJB</ejb-name> > > <home>My.DemoHome</home> > > <remote>My.DemoInter</remote> > > <ejb-class>My.DemoBean</ejb-class> > > > > <session-type>Stateful</session-type> > > <transaction-type>Container</transaction-type> > > </session> > > </enterprise-beans> > > </ejb-jar> > > > > When I try to execute my client , I receive this error message: > > java.lang.ClassCastException. > > > > java.lang.ClassCastException > > at > > com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableR > > at > > javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:137) > > at HelloWorld.main(HelloWorld.java:31) > > Caused by: java.lang.ClassCastException: $Proxy0 cannot be cast to > > org.omg.CORBA > > at > > com.sun.corba.se.impl.javax.rmi.PortableRemoteObject.narrow(PortableR > > ... 2 more > > > > > > Could anyone tell me what I'm doing wrong? Thanks a lot. Looking forward > > to hearing from you. > > > > > > > > > > manucet wrote: > >> > >> Hi Atul, > >> I am not sure but did you specify the home and remote > >> interfaces in the ejb-jar.xml file? If yes it will be helpful if you > >> can provide a test case. > >> > >> Regards > >> Manu > >> > >> On Tue, Apr 1, 2008 at 4:33 PM, atul12345 <[EMAIL PROTECTED]> wrote: > >>> > >>> 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.. > >>> > > >>> > > >>> > >>> -- > >>> View this message in context: > >>> > http://www.nabble.com/how-to-run--Ejb-program-on-geronimo-tp16392851s134p16417878.html > >>> > >>> > >>> Sent from the Apache Geronimo - Users mailing list archive at > >>> Nabble.com. > >>> > >>> > >> > >> > > > > > > -- > View this message in context: > http://www.nabble.com/how-to-run--Ejb-program-on-geronimo-tp16392851s134p16444488.html > > > Sent from the Apache Geronimo - Users mailing list archive at Nabble.com. > >
