Javax.naming.NoInitialContextException: Cannot instantiate

Question

IHi,
Iam trying to run my first application on WEBLOGIC SERVER 8.1. I have already deploed class file on server.i have already set path for my client jar .
When I use my client run on JDK to access the application.
I got following errror::::
Naming Error: catch block of getInitalContext()
javax.naming.NoInitialContextException: Cannot instantiate
class: weblogic.jndi.WLInitialContextFactory [Root exception is
java.lang.ClassNotFoundException:
weblogic.jndi.WLInitialContextFactory]
from catch block of jMenuItem1
error from NamingException.getMessage()is: Cannot instantiate
class: weblogic.jndi.WLInitialContextFactory
HERE IS THE CODE FOR CLIENT:
import java.awt.event.*;
import javax.rmi.*;
import java.rmi.*;
import javax.swing.event.*;
import javax.swing.*;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import java.util.Hashtable;
import java.util.Properties;
import javax.ejb.CreateException;
import org.omg.CosNaming.*;
import java.util.Hashtable;
import weblogic.jndi.*;
//import javax.weblogic.jndi.WLInitialContext;
public class Client {
public static void main(String[] args){
          Context context= null;
          Hashtable h = new Hashtable();
          h.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
          h.put(Context.PROVIDER_URL,"t3://localhost:7001");
          try{
               context = new InitialContext(h);
                    Object obj = context.lookup("ServerObject"); //Server ejb-name
System.out.println(obj.getClass());
          ServerHome serverhome =(ServerHome) javax.rmi.PortableRemoteObject.narrow(context.lookup("ServerObject"),ServerHome.class);
          Server server = serverhome.create();
          String Message = JOptionPane.showInputDialog("Enter Your Message");
          JOptionPane.showMessageDialog(null, server.performAction(Message) );
     catch(Exception e){
          JOptionPane.showMessageDialog(null ,"Exception is " +e);
code for bean:::::::
//package EJBExample;
import javax.ejb.*;
import java.rmi.*;
import javax.swing.*;
public class ServerBean implements SessionBean
private SessionContext stx;
//In following five methods create is by contract others to be implemented by Container
public void ejbCreate(){}
public void ejbRemove(){}
public void ejbActivate(){}
public void ejbPassivate(){}
public void setSessionContext(SessionContext ctx)

Answer 1

hi
Am facing the problem whenever i run the client jsp definitly run the first time but next time i get the particular error please let me clear about this error i m attaching the client code and also error screen..
client jsp
<%UserInfoSB objUserInfoSB;
     System.out.println("########## 2 #########");
     Properties props= System.getProperties();
     System.out.println("########## 3 #########");
     Context ctx = new InitialContext(props);
     System.out.println("########## 4 #########");
     props.put(Context.INITIAL_CONTEXT_FACTORY, "Weblogic.jndi.WlInitialContextFactory");
     props.put(Context.PROVIDER_URL,"t3://localhost:7001");
     System.out.println("########## 5 #########");
     UserInfoSBHome objUserInfoSBHome =(UserInfoSBHome) ctx.lookup("UserInfoSBHome");
     System.out.println("########## 6 #########");
     objUserInfoSB = objUserInfoSBHome.create();
     System.out.println("########## 7 #########");
     //objUserInfoSB.processInterfaceUserHistoryDetails(objUserDetailVO);
ArrayList alResult = objUserInfoSB.processInterfaceGetAllUserDetail();
     objUserInfoSB.remove();
     System.out.println("########## 8 #########");
%>
It is error which i am facing plz let me clear
NoInitialContextException: Cannot instantiate class: Weblogic.jndi.WlInitialContextFactory. Root exception is java.lang.ClassNotFoundException: Weblogic.jndi.WlInitialContextFactory
     at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:186)
     at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:62)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
     at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:41)
     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
     at java.lang.Class.forName0(Native Method)
     at java.lang.Class.forName(Class.java:217)
     at com.sun.naming.internal.VersionHelper12.loadClass(VersionHelper12.java:42)
     at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:649)
     at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
     at javax.naming.InitialContext.init(InitialContext.java:219)
     at javax.naming.InitialContext.(InitialContext.java:195)
     at jsp_servlet._jsp._epfindia._mydata.__userdisplayall._jspService(__userdisplayall.java:374)
     at weblogic.servlet.jsp.JspBase.service(JspBase.java:33)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1053)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:387)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:305)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6291)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:97)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3575)
     at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2573)
     at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:178)
     at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:151)