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7 Replies Latest reply: Aug 2, 2012 1:41 AM by gimbal2 RSS

java.lang.reflect.InvocationTargetException

672127 Newbie
Currently Being Moderated
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.

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