c djencks wrote: > > We seem to be going around in circles. I don't believe the exception > you show is consistent with the client code you show. Please show > the ENTIRE stack trace for this exception and include the exact > source code as a file so I can see the line numbers from the client > code matching up with the stack trace. I cannot investigate further > without some definite correspondence that I can see clearly between > the pieces of information you supply. > > thanks > david jencks > > On Apr 3, 2008, at 9:51 PM, atul12345 wrote: > >> >> >> >> Dear sir, >> >> I am sure, when i running the client code, got that >> Exception. I have already mentioned all exception which throw >> during the >> execution of client program. >> if u want again so that is.... >> please sir provide me write solution to resolve this problem becoz >> i have >> already spent two to three days resolve it problem. >> >> 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. >> >> >> djencks wrote: >>> >>> Are you sure you are running the client code you show? The error >>> indicates you are using PortableRemoteObject.narrow() rather than the >>> simple cast in the client code you showed earlier. >>> >>> Is the CCE happening on the client? >>> >>> I'm unable to see how the exception you show can be coming from the >>> code you show. More of the exception stack trace might possibly be >>> helpful. >>> >>> david jencks >>> >>> >>> On Apr 2, 2008, at 10:05 PM, atul12345 wrote: >>> >>>> >>>> >>>> Thanks for help but this is not problem that is when i run my >>>> client >>>> program that time i get error....... >>>> java.lang.ClassCastException: $Proxy0 cannot be cast to >>>> My.DemoInter >>>> >>>> Actually sir i have already mentioned interfaces,bean class and my >>>> client >>>> and xml. so please check that code and tell me what i am doing >>>> wrong. >>>> Actually sir i had spent already three days to run one simple ejb >>>> program i >>>> think geronimo server is not good for ejb. >>>> >>>> >>>> please help me to give suitable response.......... >>>> >>>> >>>> vhnguy2 wrote: >>>>> >>>>> 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. >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> -- >>>> View this message in context: http://www.nabble.com/how-to-run--Ejb- >>>> program-on-geronimo-tp16392851s134p16465788.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-tp16392851s134p16482909.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-tp16392851s134p16534572.html Sent from the Apache Geronimo - Users mailing list archive at Nabble.com.
