Error in simple session bean ..................

Hi friends,

i am trying a simple HelloWOrld EJb on Websphere Applicatiopn server 6.1. Can any one plz help me to solve this issue.

here is the client code which i have written.

package com.ibm.pck;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import com.ibm.ejb.example;
import com.ibm.ejb.exampleHome;

public class exampleClient {
    public static void main(String args[]) {
    try {
        Properties props = new Properties();
        props.put(Context.INITIAL<em>CONTEXT</em>FACTORY, "com.ibm.websphere.naming.WsnInitialContextFactory ");
        props.put(Context.PROVIDER_URL, "iiop://localhost:900");
        Context initialContext = new InitialContext(props);
        Object objref = initialContext.lookup("ejb/com/ibm/ejb/exampleHome"); <br />
        exampleHome home = (exampleHome)PortableRemoteObject.narrow(objref, exampleHome.class); <br />
        example myHelloWorld = home.create(); <br />
        String message = myHelloWorld.sayHello(); <br />
        System.out.println(message); <br />
    } 
    catch (Exception e) {
        e.printStackTrace(); <br />
        System.exit(2);
    }
    }
}

i am getting these errors while i am runnign above client.

javax.naming.NoInitialContextException: Cannot instantiate class: com.ibm.websphere.naming.WsnInitialContextFactory  [Root exception is java.lang.ClassNotFoundException: com.ibm.websphere.naming.WsnInitialContextFactory ]
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:669)
    at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:259)
    at javax.naming.InitialContext.init(InitialContext.java:235)
    at javax.naming.InitialContext.<init>(InitialContext.java:209)
    at com.ibm.pck.exampleClient.main(exampleClient.java:21)
Caused by: java.lang.ClassNotFoundException: com.ibm.websphere.naming.WsnInitialContextFactory 
    at java.lang.Class.forName(Class.java:164)
    at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:57)
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:666)
    ... 4 more

View Answers

February 14, 2011 at 2:49 PM

EJB Hello World Example

Please visit the following links:

http://www.roseindia.net/ejb/ejb-hello-world.shtml

http://www.roseindia.net/ejb/

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