[Beginners Corner] - Details---along with code
by reckless_jack
I am getting exception-
error during JRMP connection establishment : nested exception
java.net.SocketException- Connection Reset
chek out my ejb -------------
-----Hello.java---------
package example;
import javax.ejb.*;
import java.rmi.RemoteException;
public interface Hello extends EJBObject {
public String hello() throws RemoteException;
}
----------------HelloBean.java------------------
package example;
import javax.ejb.*;
public class HelloBean implements SessionBean {
private SessionContext ctx;
// ejbRequiredmethod
public void ejbCreate( ) {
System.out.println("ejbCreate() ");
}
public void ejbRemove( ) {
System.out.println("ejbRemove() " );
}
public void ejbActivate( ) {
System.out.println(" ejbActivate() " );
}
public void ejbPassivate( ) {
System.out.println(" ejbPassivate() " );
}
public void setSessionContext(SessionContext ctx ) {
this.ctx=ctx;
}
// business methods
public String hello() {
System.out.println(" hello() " );
return "----Hello, World !---" ;
}
}
--------------------HelloHome.java-----------------
package example;
import javax.ejb.*;
import java.rmi.RemoteException;
public interface HelloHome extends EJBHome {
Hello create() throws RemoteException,CreateException;
}
--------------HelloLocal.java-------------------
package example;
import javax.ejb.*;
public interface HelloLocal extends EJBLocalObject {
public String hello();
}
--------------------HelloLocalHome------------
package example;
import javax.ejb.*;
public interface HelloLocalHome extends EJBLocalHome {
HelloLocal create( ) throws CreateException;
}
----------Client code which access above bean-------------
package example;
import javax.naming.Context;
import javax.naming.InitialContext;
import java.util.Properties;
public class HelloClient {
public static void main(String[ ] args) throws Exception {
System.setProperty("java.naming.factory.initial", "org.jnp.interfaces.NamingContextFactory");
System.setProperty("java.naming.provider.url","jnp://localhost:1099");
System.setProperty("java.naming.factory.url.pkgs","org.jboss.namimg:org.jboss.jnp.interfaces");
System.setProperty("jnp.socketFactory","org.jnp.interfaces.TimedSocketFactory");
System.setProperty("jnp.timeout","10000");
Properties prop=System.getProperties( );
Context ctx=new InitialContext( prop );
Object obj=ctx.lookup("Hello");
HelloHome home = (HelloHome) javax.rmi.PortableRemoteObject.narrow( obj, HelloHome.class);
Hello hello=home.create( );
System.out.println( hello.hello() );
hello.remove( );
}
}
-------------ejb-jar.xml --------------
<ejb-jar xmlns="http://java.sun.com/xml/ns/j2ee" version="2.1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd">
<enterprise-beans>
<ejb-name>Hello</ejb-name>
example.HelloHome
example.Hello
<local-home>example.HelloLocalHome</local-home>
example.HelloLocal
<ejb-class>example.HelloBean</ejb-class>
<session-type>Stateless</session-type>
<transaction-type>Container</transaction-type>
</enterprise-beans>
</ejb-jar>
------------------------------------------
do i need to use username and password from client code
,when jboss is already running
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16 years, 7 months