EJB3 e glassfish

[magnus]

Ciao ragazzi,
sto provando a realizzare un'applicazione banale basata su EJB3 su server GLASSFISH.

A seguire il codice dell'EJB:

//Business Interface
public interface Hello {
    public String hello();
} 

//Bean Class
import javax.ejb.Remote;
import javax.ejb.Stateless;

@Stateless
@Remote
public class HelloBean implements Hello {
    public String hello(){
        String value="Hello World!";
        return value;
    }
} 

[magnus]

A seguire il codice del client:

// The following import should be removed.

import java.util.Hashtable;
import javax.naming.*;

/**
 * This class is an example of client code which invokes
 * methods on a simple, remote stateless session bean.
 */
public class HelloClient {

    public static void main(String[] args) throws Exception {
        /*
         * Obtain the JNDI initial context.
         *
         * The initial context is a starting point for
         * connecting to a JNDI tree. We choose our JNDI
         * driver, the network location of the server, etc
         * by passing in the environment properties.
         */

        System.out.println("about to create initialcontext");

                Hashtable env = new Hashtable();
        env.put("java.naming.factory.initial","com.sun.enterprise.naming.SerialInitContextFactory");
        //env.put("java.naming.factory.url.pkgs","com.sun.enterprise.naming");
        env.put("java.naming.provider.url","localhost:3700");
        Context ctx = new InitialContext(env);

        //System.out.println ("Trying to get the name of this context: " + ctx.getNameInNamespace());

        System.out.println("Got initial context ... yeah ");

        /*
         * Get a reference to a bean instance, looked up by class name
         */
        NamingEnumeration ne = ctx.list("");
        System.out.println("Got list... ");
                while(ne.hasMore())
        {
                        NameClassPair nc = (NameClassPair)ne.next();
            System.out.println("Entry is ... "+nc.getName()+" -- "+nc.getClassName());
        }

        Hello hello = (Hello) ctx.lookup("Hello");

        /*
         * Call the hello() method on the bean.
         * We then print the result to the screen.
         */
        System.out.println(hello.hello());
    }
} 

[magnus]

Il problema è che lanciando il client netbeans mi restituisce:

about to create initialcontext
Exception in thread "main" javax.naming.NoInitialContextException: Cannot instantiate class: com.sun.enterprise.naming.SerialInitContextFactory [Root exception is java.lang.ClassNotFoundException: com.sun.enterprise.naming.SerialInitContextFactory]
at javax.naming.spi.NamingManager.getInitialContext(N amingManager.java:657)
at javax.naming.InitialContext.getDefaultInitCtx(Init ialContext.java:288)
at javax.naming.InitialContext.init(InitialContext.ja va:223)
at javax.naming.InitialContext.<init>(InitialContext. java:197)
at HelloClient.main(HelloClient.java:29)
Caused by: java.lang.ClassNotFoundException: com.sun.enterprise.naming.SerialInitContextFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java: 200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 06)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:276)
at java.lang.ClassLoader.loadClass(ClassLoader.java:2 51)
at java.lang.ClassLoader.loadClassInternal(ClassLoade r.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at com.sun.naming.internal.VersionHelper12.loadClass( VersionHelper12.java:46)
at javax.naming.spi.NamingManager.getInitialContext(N amingManager.java:654)
... 4 more
Java Result: 1


Perchè?
Credo manchi la classe com.sun.enterprise.naming.SerialInitContextFactory e su internet ho visto che dovrebbe essere presente in appserv-rt.jat
Controllando però nel suddetto jar ( che ho aggiunto al progetto ) la classe non c'è.

Come risolvere?

[magnus]

Esiste una diversa possibilità di richiamare l'EJB?

[magnus]

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