Caused by: java.lang.ClassCastException Wrapper cannot be cast to - glassfish

Question

I am trying to run Remote EJB running on a glassfish 3.1 container with a Javafax 2.2 client and I throw an exeption when I "lookup" the remote EJB.
The purpose of my Application is to get/put with Javafx Client objects which are save/retrieve as XML files on the server side.
On the server side the EJB is packaged into an EAR.
A controller "scrubber_S_Controller" is the Stateless session EJB
package scrubber_S_Controller;
import java.io.Serializable;
import javax.ejb.Stateless;
import javax.xml.bind.JAXBException;
import scrubber_S_Model.SimpleObject;
/**
* Session Bean implementation class Session
*/
#Stateless
public class Session implements SessionRemote, Serializable {
/**
*
*/
private static final long serialVersionUID = -5718452084852474986L;
/**
* Default constructor.
*/
public Session() {
// TODO Auto-generated constructor stub
}
#Override
public SimpleObject getSimpleObject() throws JAXBException {
SimpleObject simpleobjet = new SimpleObject();
return simpleobjet.retrieveSimpleObject();
}
#Override
public void setSimpleObject(SimpleObject simpleobject) throws JAXBException {
simpleobject.saveSimpleObject(simpleobject);
}
}
The remote interface used is
package scrubber_S_Controller;
import javax.ejb.Remote;
import javax.xml.bind.JAXBException;
import scrubber_S_Model.SimpleObject;
#Remote
public interface SessionRemote {
public SimpleObject getSimpleObject() throws JAXBException;
public void setSimpleObject(SimpleObject simpleobject) throws JAXBException;
}
SimpleObject are managed in a scrubber_S_Model package:
package scrubber_S_Model;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
#XmlRootElement(name = "SimpleObject")
public class SimpleObject implements java.io.Serializable {
/**
*
*/
private static final long serialVersionUID = 306212289216139111L;
/**
* Used to define a simpleObject Value Object
*/
#XmlElement(name = "scrubberValveValue")
private int scrubberValveValue;
#XmlElement(name = "bypassValveValue")
private int bypassValveValue;
#XmlElement(name = "exhaustState")
private boolean exhaustState;
#XmlElement(name = "layoutColor")
private String layoutColor;
#XmlElement(name = "textValue")
private String textValue;
#XmlElement(name = "textColor")
private String textColor;
#XmlElement(name = "pressureThreshold")
private int pressureThreshold;
public SimpleObject(int bypassvalvevalue, int scrubbervalvevalue,
boolean exhauststate, String layoutcolor, String textvalue,
String textcolor, int pressurethreshold) {
this.bypassValveValue = bypassvalvevalue;
this.scrubberValveValue = scrubbervalvevalue;
this.exhaustState = exhauststate;
this.layoutColor = layoutcolor;
this.textValue = textvalue;
this.textColor = textcolor;
this.pressureThreshold = pressurethreshold;
}
/**
* Empty constructor, just to enable JAXB.
*/
public SimpleObject() {
}
/**
* Gets the value of the scrubberValveValue property.
*
*/
public int getScrubberValveValue() {
return this.scrubberValveValue;
}
/**
* Sets the value of the scrubberValveValue property.
*
*/
public void setScrubberValveValue(int value) {
this.scrubberValveValue = value;
}
/**
* Gets the value of the bypassValveValue property.
*
*/
public int getBypassValveValue() {
return this.bypassValveValue;
}
/**
* Sets the value of the bypassValveValue property.
*
*/
public void setBypassValveValue(int value) {
this.bypassValveValue = value;
}
/**
* Gets the value of the exhaustState property.
*
*/
public boolean isExhaustState() {
return this.exhaustState;
}
/**
* Sets the value of the exhaustState property.
*
*/
public void setExhaustState(boolean value) {
this.exhaustState = value;
}
/**
* Gets the value of the layoutColor property.
*
* #return possible object is {#link String }
*
*/
public String getLayoutColor() {
return this.layoutColor;
}
/**
* Sets the value of the layoutColor property.
*
* #param value
* allowed object is {#link String }
*
*/
public void setLayoutColor(String value) {
this.layoutColor = value;
}
/**
* Gets the value of the textValue property.
*
* #return possible object is {#link String }
*
*/
public String getTextValue() {
return this.textValue;
}
/**
* Sets the value of the textValue property.
*
* #param value
* allowed object is {#link String }
*
*/
public void setTextValue(String value) {
this.textValue = value;
}
/**
* Gets the value of the textColor property.
*
* #return possible object is {#link String }
*
*/
public String getTextColor() {
return this.textColor;
}
/**
* Sets the value of the textColor property.
*
* #param value
* allowed object is {#link String }
*
*/
public void setTextColor(String value) {
this.textColor = value;
}
/**
* Gets the value of the pressureThreshold property.
*
*/
public int getPressureThreshold() {
return this.pressureThreshold;
}
/**
* Sets the value of the pressureThreshold property.
*
*/
public void setPressureThreshold(int value) {
this.pressureThreshold = value;
}
public void saveSimpleObject(SimpleObject simpleobjet) throws JAXBException {
FileOutputStream fileout = null;
JAXBContext jc = JAXBContext.newInstance(SimpleObject.class);
Marshaller marshaller = jc.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
try {
fileout = new FileOutputStream("simpleobjectfile.xml");
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
marshaller.marshal(simpleobjet, fileout);
try {
fileout.flush();
fileout.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public SimpleObject retrieveSimpleObject() throws JAXBException {
FileInputStream fileinput = null;
JAXBContext jc = JAXBContext.newInstance(SimpleObject.class);
Unmarshaller unmarshaller = jc.createUnmarshaller();
try {
fileinput = new FileInputStream("simpleobjectfile.xml");
} catch (FileNotFoundException e) {
e.printStackTrace();
}
SimpleObject simpleobjet = (SimpleObject)unmarshaller.unmarshal(fileinput);
try {
fileinput.close();
} catch (IOException e) {
e.printStackTrace();
}
return simpleobjet;
}
}
Junit test of the marshalling/unmashalling are working fine.
Deployment of the EJB give the following JNDI naming:
INFO: EJB5181:Portable JNDI names for EJB Session: [java:global/Scrubber_S_EAR/Scrubber_S/Session, java:global/Scrubber_S_EAR/Scrubber_S/Session!scrubber_S_Controller.SessionRemote]
INFO: CORE10010: Loading application Scrubber_S_EAR done in 4 406 ms
On the client side the Javafx application as follow:
package ScrubberView;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.xml.bind.JAXBException;
import scrubber_CView_Model.SimpleObject;
import session.SessionRemote;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class scrubberView extends Application {
#Override
public void start(Stage primaryStage) throws JAXBException {
try {
Properties propriétés = new Properties();
propriétés.setProperty("org.omg.CORBA.ORBInitialHost", "localhost");
Context ctx = new InitialContext(propriétés);
SessionRemote mySession = (SessionRemote)ctx.lookup("java:global/Scrubber_S_EAR/Scrubber_S/Session");
//Create an object to exchange
SimpleObject simpleObject = new SimpleObject(1, 2, true, "layoutcolor", "text", "textcolor", 10 );
mySession.setSimpleObject(simpleObject);
#SuppressWarnings("unused")
SimpleObject simpleObject2 = new SimpleObject();
simpleObject2 = mySession.getSimpleObject();
} catch (NamingException e) {
// TODO Auto-generated catch block
System.out.println(e.toString() );
e.printStackTrace();
}
//compose the scrubberview scene and show it
primaryStage.setTitle("scrubberView");
BorderPane borderpane = new BorderPane();
Scene scene = new Scene(borderpane, 350, 80, Color.GREY);
primaryStage.setScene(scene);
scene.getStylesheets().add("./CleanRoomControl.css");
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
The following jar are in the buid enc of the Application
C:\glassfish3\glassfish\modules\auto-depends.jar
C:\glassfish3\glassfish\modules\common-util.jar
C:\glassfish3\glassfish\modules\config-api.jar
C:\glassfish3\glassfish\modules\config-types.jar
C:\glassfish3\glassfish\modules\config.jar
C:\glassfish3\glassfish\modules\deployment-common.jar
C:\glassfish3\glassfish\modules\dol.jar
C:\glassfish3\glassfish\modules\ejb-container.jar
C:\glassfish3\glassfish\modules\ejb.security.jar
C:\glassfish3\glassfish\modules\glassfish-api.jar
C:\glassfish3\glassfish\modules\glassfish-corba-asm.jar
C:\glassfish3\glassfish\modules\glassfish-corba-codegen.jar
C:\glassfish3\glassfish\modules\glassfish-corba-csiv2-idl.jar
C:\glassfish3\glassfish\modules\glassfish-corba-newtimer.jar
C:\glassfish3\glassfish\modules\glassfish-corba-omgapi.jar
C:\glassfish3\glassfish\modules\glassfish-corba-orb.jar
C:\glassfish3\glassfish\modules\glassfish-corba-orbgeneric.jar
C:\glassfish3\glassfish\modules\glassfish-naming.jar
C:\glassfish3\glassfish\modules\gmbal.jar
C:\glassfish3\glassfish\modules\hk2-core.jar
C:\glassfish3\glassfish\modules\internal-api.jar
C:\glassfish3\glassfish\modules\javax.ejb.jar
C:\glassfish3\glassfish\modules\kernel.jar
C:\glassfish3\glassfish\modules\management-api.jar
C:\glassfish3\glassfish\modules\orb-connector.jar
C:\glassfish3\glassfish\modules\orb-iiop.jar
C:\glassfish3\glassfish\modules\security.jar
C:\glassfish3\glassfish\modules\transaction-internal-api.jar
when running the
SessionRemote mySession = (SessionRemote)ctx.lookup("java:global/Scrubber_S_EAR/Scrubber_S/Session");
line, it raises the following exeption:
Exception in Application start method
Exception in thread "main" java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:403)
at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:47)
at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:115)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.ClassCastException: scrubber_S_Controller._SessionRemote_Wrapper cannot be cast to session.SessionRemote
at ScrubberView.scrubberView.start(scrubberView.java:27)
at com.sun.javafx.application.LauncherImpl$5.run(LauncherImpl.java:319)
at com.sun.javafx.application.PlatformImpl$5.run(PlatformImpl.java:215)
at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:179)
at com.sun.javafx.application.PlatformImpl$4$1.run(PlatformImpl.java:176)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl$4.run(PlatformImpl.java:176)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$100(WinApplication.java:29)
at com.sun.glass.ui.win.WinApplication$3$1.run(WinApplication.java:73)
... 1 more
If I try with the other naming:
SessionRemote mySession = (SessionRemote)ctx.lookup("java:global/Scrubber_S_EAR/Scrubber_S/Session!scrubber_S_Controller.SessionRemote");
It raises the same exeption.
It will be great if somebody can help me to fix this issue.
Many thanks in advance for your help.
I hope that my english is not too bad for the understanding.

Answer 1

I fix this issue with the following:
Remove the jar files from the env and only put gf-client.jar in the classpath as explain in
How do I access a Remote EJB component from a stand-alone java client?
Rename "scrubber_S_Controler" to "session" (as the corresponding package in the client side)
Remove "retrieveSimpleObject()" and "saveSimpleObject(SimpleObject simpleobjet)" from "SimpleObject" class and add it to a new "SimpleObjectPersist class"
use the "SimpleObjectPersist" to save and retreive a SimpleObject.
Ough! After this, its running well.