Problem while Running First Example Of HFEJB.

[Gowher Naik]

I am running very First application of Head First EJB.
But while running AdviceClient i am getting following exception

javax.naming.NoInitialContextException: Need to specify class name in environmen
t or system property, or as an applet parameter, or in an application resource f
ile:  java.naming.factory.initial
        at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:6
38)
        at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:241
)
        at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.jav
a:278)
        at javax.naming.InitialContext.lookup(InitialContext.java:345)
        at AdviceClient.go(AdviceClient.java:13)
        at AdviceClient.main(AdviceClient.java:8)

My client code is

mport javax.naming.*;
import java.rmi.*;
import javax.rmi.*;
import headfirst.*;
import javax.ejb.*;
public class AdviceClient{
public static void main(String args[]){
new AdviceClient().go();
}
public void go(){
try{
Context ic=new InitialContext();
Object o=ic.lookup("Advisor");
AdviceHome home=(AdviceHome)PortableRemoteObject.narrow(o,AdviceHome.class);
Advice advisor=home.create();
System.out.println(advisor.getAdvice());
}catch(Exception e){
e.printStackTrace();
}
}
}

Command which i am using to run client is
C:\projects\advice>java -cp ;c/projects/advice/AdviceAppClient.jar AdviceClient
I am not able to understand why
Please Help.

[Tanakorn Numrubporn]

I think many problems from chapter 1 in the HFEJB is identical, So the author or someone that is domain_expert in this forum should posts the standard solution, which should be step by step, in this forum.

This problem is similar to me. I solve it by;
1. Check for JNDI naming when you deploy to the j2eeRI server, that you refer in the 'ic.lookUp("Advisor");. the JNDI naming and the String argument for ic.lookUp() must be the same.
2. Check for your status of j2eeRI server; is it running properly?, is it starting?(The server must start in the another command window)

I'm not sure this reply help you but I do my best. I'm a also infanty state to ejb.

Cheers
Tanakorn

[Sreeraj G Harilal]

gowher, use this link. It will help you.