Avant le déploiement de PersistenceUnit a échoué avec EclipseLink

Suis nouveau sur JPA, et de commencer avec EclipseLink. Prendre l'aide de tutoriel, j'ai commencé à créer mon premier JPA projet consiting d'une Entité (créé automatiquement en utilisant JPA outils), une simple classe principale de tir les plus select de base de la requête. Cependant, lorsque j'essaie de course de la classe principale-je obtenir un pré-déploiement de PersistenceUnit exception d'échec. Suis à l'aide de SQL server express 2008 et l'interrogation de l'échantillon de base de données AdventureWorks. Suis en mesure de se connecter à la base de données (à l'aide de la Base de données des perspectives de Développement). Journal d'erreurs détaillé et des extraits de Code ci-dessous:

Classe principale

    import java.util.List;
    import javax.persistence.EntityManager;
    import javax.persistence.Persistence;
    import model.Employee;

    public class Main {
    public static void main(String[] args) {
EntityManager em =    Persistence.createEntityManagerFactory("JPA2").createEntityManager();
    List<Employee> list = em.createQuery("Select * from humanresources.Employee", Employee.class).getResultList();
    for(Employee e : list)
    {
        System.out.println(e.getBirthDate());
    }
}
 }

Entité

         package model;
import java.io.Serializable;
import javax.persistence.*;
import java.sql.Timestamp;
@Entity
public class Employee implements Serializable { 
private static final long serialVersionUID = 1L;
@Id 
@Column(name="BusinessEntityID")
private int businessEntityID;
@Column(name="BirthDate")
private Object birthDate;
@Column(name="Gender")
private Object gender; 
@Column(name="HireDate")
private Object hireDate;
@Column(name="JobTitle")
private Object jobTitle;
@Column(name="MaritalStatus");
private Object maritalStatus;
@Column(name="ModifiedDate")
private Timestamp modifiedDate;
@Column(name="NationalIDNumber")
private Object nationalIDNumber;
@Column(name="OrganizationLevel")
private short organizationLevel;
@Column(name="OrganizationNode")
private String organizationNode;
private String rowguid;
@Column(name="SickLeaveHours")
private short sickLeaveHours;
@Column(name="VacationHours")
private short vacationHours;
public Employee() {
}
public int getBusinessEntityID() {
return this.businessEntityID;
}
public void setBusinessEntityID(int businessEntityID) {
this.businessEntityID = businessEntityID;
}
public Object getBirthDate() {
return this.birthDate;
}
public void setBirthDate(Object birthDate) {
this.birthDate = birthDate;
}
public Object getGender() {
return this.gender;
}
public void setGender(Object gender) {
this.gender = gender;
}
public Object getHireDate() {
return this.hireDate;
}
public void setHireDate(Object hireDate) {
this.hireDate = hireDate;
}
public Object getJobTitle() {
return this.jobTitle;
}
public void setJobTitle(Object jobTitle) {
this.jobTitle = jobTitle;
}
public Object getMaritalStatus() {
return this.maritalStatus;
}
public void setMaritalStatus(Object maritalStatus) {
this.maritalStatus = maritalStatus;
}
public Timestamp getModifiedDate() {
return this.modifiedDate;
}
public void setModifiedDate(Timestamp modifiedDate) {
this.modifiedDate = modifiedDate;
}
public Object getNationalIDNumber() {
return this.nationalIDNumber;
}
public void setNationalIDNumber(Object nationalIDNumber) {
this.nationalIDNumber = nationalIDNumber;
}
public short getOrganizationLevel() {
return this.organizationLevel;
}
public void setOrganizationLevel(short organizationLevel) {
this.organizationLevel = organizationLevel;
}
public String getOrganizationNode() {
return this.organizationNode;
}
public void setOrganizationNode(String organizationNode) {
this.organizationNode = organizationNode;
}
public String getRowguid() {
return this.rowguid;
}
public void setRowguid(String rowguid) {
this.rowguid = rowguid;
}
public short getSickLeaveHours() {
return this.sickLeaveHours;
}
public void setSickLeaveHours(short sickLeaveHours) {
this.sickLeaveHours = sickLeaveHours;
}
public short getVacationHours() {
return this.vacationHours;
}
public void setVacationHours(short vacationHours) {
this.vacationHours = vacationHours;
}
}

Persistence.XML (sous le répertoire Meta-INF)

       <?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/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">
<persistence-unit name="JPA2" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>model.Employee</class>
<properties>
<property name="eclipselink.target-database" value="SQLServer"/>
<property name="javax.persistence.jdbc.url" value="jdbc:sqlserver://localhost:1433;databaseName=AdventureWorks2008"/>
<property name="javax.persistence.jdbc.user" value="Username"/>
<property name="javax.persistence.jdbc.password" value="Username"/>
<property name="javax.persistence.jdbc.driver" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>
</properties>
</persistence-unit>

Exception

Exception in thread "main" Local Exception Stack: 
Exception [EclipseLink-30005] (Eclipse Persistence Services - 2.4.2.v20130514-                  5956486): org.eclipse.persistence.exceptions.PersistenceUnitLoadingException
Exception Description: An exception was thrown while searching for persistence        archives with ClassLoader: sun.misc.Launcher$AppClassLoader@1ac04e8
Internal Exception: javax.persistence.PersistenceException: Exception   [EclipseLink-28018] (Eclipse Persistence Services - 2.4.2.v20130514-5956486):          org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [JPA2] failed.
Internal Exception: Exception [EclipseLink-7155] (Eclipse Persistence Services -  2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.ValidationException
Exception Description: The type [class java.lang.Object] for the attribute  [hireDate] on the entity class [class model.Employee] is not a valid type for a serialized  mapping. The attribute type must implement the Serializable interface.
at   org.eclipse.persistence.exceptions.PersistenceUnitLoadingException.exceptionSearchingForPer sistenceResources(PersistenceUnitLoadingException.java:127)
at  org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvi der.java:118)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:78)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54)
at Main.main(Main.java:20)
Caused by: javax.persistence.PersistenceException: Exception [EclipseLink-28018]  (Eclipse Persistence Services - 2.4.2.v20130514-5956486):  org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [JPA2] failed.
Internal Exception: Exception [EclipseLink-7155] (Eclipse Persistence Services -  2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.ValidationException
Exception Description: The type [class java.lang.Object] for the attribute   [hireDate] on the entity class [class model.Employee] is not a valid type for a serialized  mapping. The attribute type must implement the Serializable interface.
at  org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.createPredeployFailedPersistenc eException(EntityManagerSetupImpl.java:1556)
at  org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImp l.java:1547)
at  org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.callPredeploy(JPAInitializer .java:98)
at  org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactory(PersistenceProvi der.java:108)
... 3 more
Caused by: Exception [EclipseLink-28018] (Eclipse Persistence Services -  2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.EntityManagerSetupException
Exception Description: Predeployment of PersistenceUnit [JPA2] failed.
Internal Exception: Exception [EclipseLink-7155] (Eclipse Persistence Services -             2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.ValidationException
Exception Description: The type [class java.lang.Object] for the attribute  [hireDate] on the entity class [class model.Employee] is not a valid type for a serialized   mapping. The attribute type must implement the Serializable interface.
at  org.eclipse.persistence.exceptions.EntityManagerSetupException.predeployFailed(EntityManage rSetupException.java:221)
... 7 more
Caused by: Exception [EclipseLink-7155] (Eclipse Persistence Services -  2.4.2.v20130514-5956486): org.eclipse.persistence.exceptions.ValidationException
Exception Description: The type [class java.lang.Object] for the attribute  [hireDate] on the entity class [class model.Employee] is not a valid type for a serialized mapping. The attribute type must implement the Serializable interface.
at  org.eclipse.persistence.exceptions.ValidationException.invalidTypeForSerializedAttribute(ValidationException.java:1121)
at org.eclipse.persistence.internal.jpa.metadata.converters.SerializedMetadata.process(SerializedMetadata.java:99)
at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processSerialized(MappingAccessor.java:1807)
at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processJPA Converters(MappingAccessor.java:1586)
at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processMappingConverter(MappingAccessor.java:1652)
at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.MappingAccessor.processMap pingValueConverter(MappingAccessor.java:1670)
at org.eclipse.persistence.internal.jpa.metadata.accessors.mappings.BasicAccessor.process(BasicAccessor.java:414)
at org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor.processMappingAccessors(MetadataDescriptor.java:1461)
at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor.processMappingAccessors(ClassAccessor.java:1526)
at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.processMappingAccessors(EntityAccessor.java:1085)
at org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EntityAccessor.process(EntityAccessor.java:645)
at org.eclipse.persistence.internal.jpa.metadata.MetadataProject.processStage2(MetadataProject.java:1718)
at org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor.processORMMetadata(MetadataProcessor.java:536)
at org.eclipse.persistence.internal.jpa.deployment.PersistenceUnitProcessor.processORMetadata(PersistenceUnitProcessor.java:550)
at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:1484)
... 5 more

OriginalL'auteur Ruschel | 2013-09-22