Java.lang.reflect.InvocationTargetException

Question

Hi,
I am new to EJB. i've developed my first EJB Program using Netbeans.
Here are my classes :
package ejb;
import javax.ejb.Stateless;
@Stateless(mappedName="Bean30")
public class Bean30Bean implements Bean30Remote
public String getResult()
return "This is EJB 3.0 Bean";
Remote Interface :
package ejb;
import javax.ejb.Remote;
@Remote
public interface Bean30Remote {
String getResult();
Calling EJB :
InitialContext ctx = new InitialContext();
Bean30Remote br = (Bean30Remote) ctx.lookup("Bean30#ejb.Bean30Remote");
System.err.println("EJB message is: " + br.getResult());
While lookup, it is throwing me an exception :
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.glassfish.appclient.client.acc.AppClientContainer.launch(AppClientContainer.java:438)
at org.glassfish.appclient.client.AppClientFacade.main(AppClientFacade.java:165)
Caused by: javax.naming.NamingException: Lookup failed for 'Bean30#ejb.Bean30Remote2' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.url.pkgs=com.sun.enterprise.naming, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl} [Root exception is javax.naming.NamingException: ejb ref resolution error for remote business interfaceejb.Bean30Remote2 [Root exception is java.lang.ClassNotFoundException: ejb.Bean30Remote2]]
at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:518)
at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455)
at javax.naming.InitialContext.lookup(InitialContext.java:392)
at applicationclientfortest.Main.main(Main.java:27)
... 6 more
Caused by: javax.naming.NamingException: ejb ref resolution error for remote business interfaceejb.Bean30Remote2 [Root exception is java.lang.ClassNotFoundException: ejb.Bean30Remote2]
at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:433)
at com.sun.ejb.containers.RemoteBusinessObjectFactory.getObjectInstance(RemoteBusinessObjectFactory.java:75)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
at com.sun.enterprise.naming.impl.SerialContext.getObjectInstance(SerialContext.java:556)
at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:514)
... 9 more
Caused by: java.lang.ClassNotFoundException: ejb.Bean30Remote2
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at org.glassfish.appclient.client.acc.ACCClassLoader.findClass(ACCClassLoader.java:212)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at com.sun.ejb.EJBUtils.getBusinessIntfClassLoader(EJBUtils.java:687)
at com.sun.ejb.EJBUtils.loadGeneratedRemoteBusinessClasses(EJBUtils.java:462)
at com.sun.ejb.EJBUtils.lookupRemote30BusinessObject(EJBUtils.java:413)
... 13 more
I've checked on the GlassFish. It has been deployed successfully with name "EJBModule30".
Any comments will be greatly appreciated. Please let me know if i'm doing something wrong.

Answer 1

r035198x wrote:
>
That shouldn't be necessary in a JEE environment. Proper packaging is all you need to do and the container takes care of the rest.The remote client may not be in a container....
**puts on a brown paper bag**
In any case the name inconsistency is a nice catch, but when I check the logging:
ejb ref resolution error for remote business interfaceejb.Bean30Remote2 [Root exception is java.lang.ClassNotFoundException: ejb.Bean30Remote2]]I wonder if Glassfish actually contains a logging mistake where it doesn't print a space between the log text and the interface, or that someone has been doing some manual editing before posting it...