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[eclipselink-users] Nullpointer Exception trying to execute eclipselink-2.0.0
|
Hello.
I'm having some troubles when I tried to use eclipselink-2.0.0 with eclipse
WTP.
Eclipselink is sending to me this exception:
Exception in thread "main" java.lang.NoClassDefFoundError:
javax/resource/ResourceException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at
org.eclipse.persistence.internal.security.PrivilegedAccessHelper.getClassForName(PrivilegedAccessHelper.java:88)
at
org.eclipse.persistence.sessions.DefaultConnector.loadDriverClass(DefaultConnector.java:253)
at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:85)
at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
at
org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:228)
at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:368)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:151)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:207)
at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:195)
at Persona.guardar(Persona.java:63)
at Persona.main(Persona.java:89)
Caused by: java.lang.ClassNotFoundException:
javax.resource.ResourceException
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
I create a simple JPA project and add these jars to the build path:
eclipselink-2.0.0.jar
javax.persistence-2.0.0.jar
jaybird-2.1.6jdk16.jar
My persistence.xml is this:
<?xml version="1.0" encoding="UTF-8" ?>
<persistence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0" xmlns="http://java.sun.com/xml/ns/persistence">
<persistence-unit name="prueba_eclipselink"
transaction-type="RESOURCE_LOCAL">
<class>Persona</class>
<properties>
<property name="javax.persistence.jdbc.driver"
value="org.firebirdsql.jdbc.FBDriver" />
<property name="javax.persistence.jdbc.url"
value="jdbc:firebirdsql:localhost/3050:/var/dbs/prueba_firebird.fdb" />
<property name="javax.persistence.jdbc.user" value="sysdba" />
<property name="javax.persistence.jdbc.password" value="masterkey" />
<property name="eclipselink.ddl-generation" value="create-tables" />
<property name="eclipselink.logging.level" value="ALL" />
</properties>
</persistence-unit>
</persistence>
My test class is this:
import java.io.Serializable;
import java.lang.String;
import javax.persistence.*;
/**
* Entity implementation class for Entity: Persona
*
*/
@Entity
public class Persona implements Serializable {
@Id
@GeneratedValue
private int id;
private String nombre;
private String direccion;
private static final long serialVersionUID = 1L;
@Transient
protected EntityManager em;
@Transient
protected static final String PERSISTENCE_UNIT_NAME = "prueba_eclipselink";
@Transient
protected static EntityManagerFactory factory = Persistence
.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
public Persona() {
super();
}
public int getId() {
return this.id;
}
public void setId(int id) {
this.id = id;
}
public String getNombre() {
return this.nombre;
}
public void setNombre(String nombre) {
this.nombre = nombre;
}
public String getDireccion() {
return this.direccion;
}
public void setDireccion(String direccion) {
this.direccion = direccion;
}
public Persona(int id, String nombre, String direccion) {
super();
this.id = id;
this.nombre = nombre;
this.direccion = direccion;
}
public boolean guardar(){
boolean res = false;
try {
em = factory.createEntityManager();
em.getTransaction().begin();
if (id == 0) {
em.persist(this);
}
else {
em.merge(this);
}
em.getTransaction().commit();
res = true;
}
catch (Exception e) {
e.printStackTrace();
res = false;
}
finally{
if(em !=null){
em.close();
}
}
return res;
}
public static void main(String[] args) {
Persona persona = new Persona();
persona.setNombre("jose");
persona.setDireccion("rio gambia");
assertTrue(persona.guardar());
}
}
--
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