java.io.InvalidClassException: org.jboss.remoting.InvokerLocator
J'ai voulu réalisé l'exemple de livres moi meme mais j'ai obtenu plusieurs exceptions. en voici le code
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| /**
*
*/
package com.sofien.tutoriel.book;
import java.util.Hashtable;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import com.sofien.tutoriel.book.remote.BookTestBeanRemote;
/**
* @author Sofien
*
*/
public class FirstEJB3TutorialClient {
/**
* @param args
*/
public static void main(String[] args) {
try {
/*
* Hashtable env = new Hashtable();
* env.put(Context.INITIAL_CONTEXT_FACTORY,
* "org.jnp.interfaces.NamingContextFactory");
* env.put(Context.URL_PKG_PREFIXES,
* "org.jboss.naming:org.jnp.interfaces");
* env.put(Context.PROVIDER_URL, "localhost:1099"); Context context =
* new InitialContext(env);
*/
Context context = new InitialContext();
BookTestBeanRemote beanRemote = (BookTestBeanRemote) context.lookup(BookTestBean.RemoteJNDIName);
beanRemote.test();
} catch (NamingException e) {
e.printStackTrace();
}
}
} |
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| /**
*
*/
package com.sofien.tutoriel.book.entity;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
/**
* @author Sofien
*
*/
@Entity
@Table(name="book")
@SequenceGenerator(name = "book_sequence", sequenceName = "book_id_seq")
public class Book implements Serializable{
/**
*
*/
private Integer id;
private String title;
private String author;
/**
* @param id
* @param title
* @param author
*/
public Book(Integer id, String title, String author) {
super();
this.id = id;
this.title = title;
this.author = author;
}
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "book_sequence")
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return "Book: " + getId() + " Title " + getTitle() + " Author " + getAuthor();
}
} |
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| /**
*
*/
package com.sofien.tutoriel.book;
import java.util.Iterator;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import com.sofien.tutoriel.book.entity.Book;
import com.sofien.tutoriel.book.local.BookTestBeanLocal;
import com.sofien.tutoriel.book.remote.BookTestBeanRemote;
/**
* @author Sofien
*
*/
@Stateless
public class BookTestBean implements BookTestBeanLocal, BookTestBeanRemote {
@PersistenceContext
EntityManager em;
public static final String RemoteJNDIName = "BookTestBean/remote";
public static final String LocalJNDIName = "BookTestBean/local";
/*
* (non-Javadoc)
*
* @see com.sofien.tutoriel.book.local.BookTestBeanLocal#test()
*/
public void test() {
Book book = new Book(null, "My first bean book", "Sebastian");
em.persist(book);
Book book2 = new Book(null, "another book", "Paul");
em.persist(book2);
Book book3 = new Book(null, "EJB 3 developer guide, comes soon", "Sebastian");
em.persist(book3);
System.out.println("list some books");
List someBooks = em.createQuery("from Book b where b.author=:name").setParameter("name", "Sebastian").getResultList();
for (Iterator iter = someBooks.iterator(); iter.hasNext();) {
Book element = (Book) iter.next();
System.out.println(element);
}
System.out.println("List all books");
List allBooks = em.createQuery("from Book").getResultList();
for (Iterator iter = allBooks.iterator(); iter.hasNext();) {
Book element = (Book) iter.next();
System.out.println(element);
}
System.out.println("delete a book");
em.remove(book2);
System.out.println("List all books");
allBooks = em.createQuery("from Book").getResultList();
for (Iterator iter = allBooks.iterator(); iter.hasNext();) {
Book element = (Book) iter.next();
System.out.println(element);
}
}
} |
Et voiçi les exceptions :cry:
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| javax.naming.CommunicationException [Root exception is java.io.InvalidClassException: org.jboss.remoting.InvokerLocator; local class incompatible: stream classdesc serialVersionUID = -4977622166779282521, local class serialVersionUID = -2909329895029296248]
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:722)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:587)
at javax.naming.InitialContext.lookup(Unknown Source)
at com.sofien.tutoriel.book.FirstEJB3TutorialClient.main(FirstEJB3TutorialClient.java:36)
Caused by: java.io.InvalidClassException: org.jboss.remoting.InvokerLocator; local class incompatible: stream classdesc serialVersionUID = -4977622166779282521, local class serialVersionUID = -2909329895029296248
at java.io.ObjectStreamClass.initNonProxy(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at java.rmi.MarshalledObject.get(Unknown Source)
at org.jnp.interfaces.MarshalledValuePair.get(MarshalledValuePair.java:72)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:652)
... 3 more |
Merci pour l'aide ...
PS : djo.mos je m'excuse pour le message en anglais car je l'utilise parfois inconsiement :mrgreen:
