Hello i have want to try EJB 3.0 but i have problems.
the problem is this i have EJB 3.0 like this :
package beans;
import javax.ejb.Stateless;
@Stateless(name="SimpleSession")
public class SimpleSessionBean implements SimpleSession {
public SimpleSessionBean() {
}
public String sayHello(String name) {
return "Hello "+name;
}
}
package beans;
import javax.ejb.Remote;
@Remote
public interface SimpleSession {
public String sayHello(String name) ;
}
and i make test client for it .
package client;
import beans.SimpleSession;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class SimpleSessionClient {
public static void main(String[] args) {
InitialContext ctx;
try {
ctx = new InitialContext();
ctx.addToEnvironment("java.naming.factory.initial",
"org.jnp.interfaces.NamingContextFactory");
ctx.addToEnvironment("java.naming.factory.url.pkgs",
"org.jboss.naming:org.jnp.interfaces");
ctx.addToEnvironment(Context.PROVIDER_URL,"jnp://localhost:1099");
SimpleSession simpleSession
= (SimpleSession) ctx.lookup(SimpleSession.class.getName());
System.out.println(simpleSession.sayHello("EJB3"));
} catch (NamingException e) {
e.printStackTrace();
}
}
}
but when i delpoy the EJB and start the client i get :
cannot find : org.jboss.naming:org.jnp.interfaces
Nothink UNNORAML
i add to the CLASSPATH everythink in jbossServer/client/*.jars
when i start now i get :
log4j:WARN No appenders could be found for logger
(org.jnp.interfaces.NamingContext).
log4j:WARN Please initialize the log4j system properly.
javax.naming.CommunicationException: Could not obtain connection to any of
these urls: jnp://localhost:1099 and discovery failed with error:
javax.naming.CommunicationException: Receive timed out [Root exception is
java.net.SocketTimeoutException: Receive timed out] [Root exception is
javax.naming.CommunicationException: Failed to connect to server localhost:1099
[Root exception is javax.naming.ServiceUnavailableException: Failed to connect
to server localhost:1099 [Root exception is java.net.ConnectException:
Connection refused: connect]]]
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1414)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:594)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
at client.SimpleSessionClient.main(SimpleSessionClient.java:19)
Caused by: javax.naming.CommunicationException: Failed to connect to server
localhost:1099 [Root exception is javax.naming.ServiceUnavailableException:
Failed to connect to server localhost:1099 [Root exception is
java.net.ConnectException: Connection refused: connect]]
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:269)
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1385)
... 4 more
Caused by: javax.naming.ServiceUnavailableException: Failed to connect to
server localhost:1099 [Root exception is java.net.ConnectException: Connection
refused: connect]
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:243)
... 5 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:364)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at java.net.Socket.(Socket.java:365)
at java.net.Socket.(Socket.java:265)
at
org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:84)
at
org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:76)
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:239)
... 5 more
Process exited with exit code 0.
i try with just "localhost" and "jnp://localhost" but then the problem is the
same.
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