• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Tim Cooke
  • paul wheaton
  • Paul Clapham
  • Ron McLeod
Sheriffs:
  • Jeanne Boyarsky
  • Liutauras Vilda
Saloon Keepers:
  • Tim Holloway
  • Carey Brown
  • Roland Mueller
  • Piet Souris
Bartenders:

Head First EJB Chapter 1 : Advice Application Problem, Please Help

 
Greenhorn
Posts: 10
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hey Friend i am Learning EJB from Head First EJB, Oreilly.

In First Chapter, there is one example about getting random Advice by the AdviceBean class. but i done all the code same as it given in book. but sill i getting the error as :-
--------------------------------
G:\EJB\MyFirstEJBApp\Advice>java -cp %classpath%;AdviceAppClient.jar AdviceClient

Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/corba/se/internal/util/JDKBridge
at com.sun.corba.ee.internal.core.IOR$LocalCodeBaseSingletonHolder.<clinit>(IOR.java:90)
at com.sun.corba.ee.internal.core.IOR.<init>(IOR.java:238)
at com.sun.corba.ee.internal.iiop.messages.LocateReplyMessage_1_2.read(LocateReplyMessage_1_2.java:137)
at com.sun.corba.ee.internal.iiop.IIOPInputStream.unmarshalHeader(IIOPInputStream.java:126)
at com.sun.corba.ee.internal.iiop.IIOPConnection.getResponse(IIOPConnection.java:671)
at com.sun.corba.ee.internal.iiop.IIOPConnection.send(IIOPConnection.java:778)
at com.sun.corba.ee.internal.corba.InitialNamingClient.locateObject(InitialNamingClient.java:786)
at com.sun.corba.ee.internal.corba.InitialNamingClient.getIORUsingHostInfo(InitialNamingClient.java:597)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolveCorbaloc(InitialNamingClient.java:573)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolveUsingORBInitRef(InitialNamingClient.java:544)
at com.sun.corba.ee.internal.corba.InitialNamingClient.cachedInitialReferences(InitialNamingClient.java:1080)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolve_initial_references(InitialNamingClient.java:981)
at com.sun.corba.ee.internal.corba.ORB.resolve_initial_references(ORB.java:2425)
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:52)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:120)
at javax.naming.InitialContext.lookup(Unknown Source)
at AdviceClient.go(AdviceClient.java:25)
at AdviceClient.main(AdviceClient.java:17)

G:\EJB\MyFirstEJBApp\Advice>
---------------

My Classpath Varible is set as :- "C:\j2sdk1.4.2_19\bin";"C:\j2sdk1.4.2_19\lib";"C:\j2sdkee1.3.1\bin";.;"C:\j2sdkee1.3.1\lib\j2ee.jar";"C:\j2sdkee1.3.1\lib\j2eetools.jar";

JAVA_HOME :- "C:\j2sdk1.4.2_19"
J2EE_HOME :- "C:\j2sdkee1.3.1"

--------------------
Code for the AdviceClient.java is

/*
A Client Class That Make Request for the Bean to The EJB Server through Strub Class.
File Created :-13/Jan/2012 2:22
*/

import java.rmi.*;
import headfirst.*;
import javax.rmi.*;
import javax.naming.*;
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,Advice.class);

Advice advisor = home.create();
System.out.println("Your Lucky statement is :- " + advisor.getAdvice());
}
catch( Exception ex)
{
System.out.println("----- EXCEPTION -------------");
ex.printStackTrace();
System.out.println("----- EXCEPTION -------------");
}
}
}


Please Help ,
Thank you .
 
Bartender
Posts: 2292
3
Eclipse IDE Spring Java
  • Likes 2
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Well champ, class com.sun.corba.se.internal.util.JDKBridge could not be found in your classpath. Make sure one of these files have this class, or include the jar file that has this class.

Now, since we are talking about advices, here's one for you: don't waste your time learning EJB2.x. Thank God almost nobody else uses this nowadays. If you want to learn EJB, I'd recommend Enterprise JavaBeans 3.1, which addresses EJB's latest version.
 
Anil Sable
Greenhorn
Posts: 10
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Thank you Mr. Roberto Perillo. I Solved it, and i think as beginner i should learn basic of ejb 2.0 and then move towards ejb 3.x. Thanks alot.
 
clojure forum advocate
Posts: 3479
Mac Objective C Clojure
  • Likes 1
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator

Anil Sable wrote:Thank you Mr. Roberto Perillo. I Solved it, and i think as beginner i should learn basic of ejb 2.0 and then move towards ejb 3.x. Thanks alot.


No at all, don't waste your time on EJB2.
 
Greenhorn
Posts: 19
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi Anil,

You are right. In order to know the basics HF EJB is the best book. Can you please tell me how you solved the problem.

java -cp AdviceAppClient.jar;c:\j2sdkee1.3.1\lib\j2ee.jar;. AdviceClient

After issuing this command, I get the following error

Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/corba/se/internal/util/JDKBridge
at com.sun.corba.ee.internal.core.IOR$LocalCodeBaseSingletonHolder.<clinit>(IOR.java:90)
at com.sun.corba.ee.internal.core.IOR.<init>(IOR.java:238)
at com.sun.corba.ee.internal.iiop.messages.LocateReplyMessage_1_2.read(LocateReplyMessage_1_2.java:137)
at com.sun.corba.ee.internal.iiop.IIOPInputStream.unmarshalHeader(IIOPInputStream.java:126)
at com.sun.corba.ee.internal.iiop.IIOPConnection.getResponse(IIOPConnection.java:671)
at com.sun.corba.ee.internal.iiop.IIOPConnection.send(IIOPConnection.java:778)
at com.sun.corba.ee.internal.corba.InitialNamingClient.locateObject(InitialNamingClient.java:786)
at com.sun.corba.ee.internal.corba.InitialNamingClient.getIORUsingHostInfo(InitialNamingClient.java:597)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolveCorbaloc(InitialNamingClient.java:573)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolveUsingORBInitRef(InitialNamingClient.java:544)
at com.sun.corba.ee.internal.corba.InitialNamingClient.cachedInitialReferences(InitialNamingClient.java:1080)
at com.sun.corba.ee.internal.corba.InitialNamingClient.resolve_initial_references(InitialNamingClient.java:981)
at com.sun.corba.ee.internal.corba.ORB.resolve_initial_references(ORB.java:2425)
at com.sun.enterprise.naming.SerialContext.getProvider(SerialContext.java:52)
at com.sun.enterprise.naming.SerialContext.lookup(SerialContext.java:120)
at javax.naming.InitialContext.lookup(Unknown Source)
at AdviceClient.go(AdviceClient.java:29)
at AdviceClient.main(AdviceClient.java:16)
Caused by: java.lang.ClassNotFoundException: com.sun.corba.se.internal.util.JDKBridge
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 18 more


Please help.

Regards,
Shouvanik
 
Don't get me started about those stupid light bulbs.
reply
    Bookmark Topic Watch Topic
  • New Topic