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Я пытаюсь использовать Hibernate с Derby, и у меня возникла проблема с созданием сеанса. класса, где я получаю сообщение об ошибке:Невозможно создать сеанс спящего режима
package pl.edu.calendar.model;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.exception.GenericJDBCException;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;
import pl.edu.calendar.XML.DObjectXML;
import pl.edu.calendar.box.MessageBox;
import pl.edu.calendar.configuration.DConfig;
import pl.edu.calendar.configuration.errors.ErrorHandler;
import pl.edu.calendar.helpers.FileManager;
import pl.edu.calendar.helpers.Message;
import pl.edu.calendar.model.events.PostLoad;
public class Derby extends DObjectXML {
private String url = "";
private Configuration config = null;
protected DConfig cfg = DConfig.app();
protected Session session = null;
protected Transaction transaction = null;
private ServiceRegistry serviceRegistry = null;
private SessionFactory sessionFactory;
public Derby() {
this.url = "jdbc:derby:" + cfg.getConfigPath() + "data" + DConfig.DS + "db;create=true";
String user = "admin";
String pass = "admin";
String schema = "ADMIN";
config = new Configuration()
.setProperty("hibernate.connection.url", this.url)
.setProperty("hibernate.default_schema",schema)
.setProperty("hibernate.connection.username",user)
.setProperty("hibernate.connection.password",pass)
.configure("/pl/edu/calendar/models/hibernate.derby.cfg.xml");
config.setInterceptor(new PostLoad());
serviceRegistry = new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
if (!FileManager.is(DConfig.getConfigPath() + "data")) {
FileManager.mkDir(DConfig.getConfigPath() + "data");
}
checkAvailable();
}
public void connect() {
serviceRegistry = new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
sessionFactory = config.buildSessionFactory(serviceRegistry);
session = sessionFactory.openSession();
}
public void closeConnection() {
if(session != null && session.isConnected())
session.close();
}
/**
* Method begin database transaction
*/
public void startTransaction() {
transaction = session.beginTransaction();
}
/**
* Method commit database transaction
*/
public void commitTransaction() {
transaction.commit();
}
/**
* Method rollback database transaction
*/
public void rollbackTransaction(Exception e) {
transaction.rollback();
if (DConfig.app().isDebug()) {
Message.print("Transaction roolback! In " + this.toString() + "becouse : " + e.getMessage());
ErrorHandler.error(e);
}
}
/**
* Return model session
*
* @return Session
*/
public Session getSession() {
return session;
}
/**
* Set session for transaction
*
* @param session Session
*/
public void setSession(Session session) {
this.session = session;
}
/**
* Method check if database ia available
*/
private void checkAvailable() {
try {
connect();
startTransaction();
closeConnection();
} catch (GenericJDBCException ex) {
MessageBox.error(Message._("program_initialized"));
System.exit(1);
}
}
}
POJO:
package pl.edu.calendar.models.entity;
import pl.edu.calendar.model.LocalModel;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import java.util.Date;
public class NotesEntity extends LocalModel {
public NotesEntity() {
}
public NotesEntity(String title, String description, Date date, int user_id) {
this.title = title;
this.description = description;
this.user_id = user_id;
}
public NotesEntity(int id, String title, String description, Date date, int user_id) {
this.id = id;
this.title = title;
this.description = description;
this.user_id = user_id;
}
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private int id;
@Override
public int getId() {
return id;
}
@Override
public void setId(int id) {
this.id = id;
}
private String title;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
private String description;
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
private int user_id;
public int getUser_id() {
return user_id;
}
public void setUser_id(int user_id) {
this.user_id = user_id;
}
private UserEntity userById;
public UserEntity getUserById() {
return userById;
}
public void setUserById(UserEntity userById) {
this.userById = userById;
}
private Date date;
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
NotesEntity that = (NotesEntity) o;
if (user_id != that.user_id)
return false;
if (id != that.id)
return false;
if (description != null ? !description.equals(that.description) : that.description != null)
return false;
if (title != null ? !title.equals(that.title) : that.title != null)
return false;
return true;
}
@Override
public String getModelName() {
return "NOTES";
}
}
отображение файла:
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="pl.edu.calendar.models.entity">
<class name="pl.edu.calendar.models.entity.NotesEntity" table="NOTES">
<id name="id" column="id" type="long">
<generator class="increment"></generator>
</id>
<property name="title" column="TITLE"/>
<property name="description" column="DESCRIPTION"/>
<property name="date" column="DATE"/>
<property name="user_id" column="USER_ID"/>
<many-to-one name="userById" insert="false" update="false" class="pl.edu.calendar.models.entity.UserEntity">
<column name="USER_ID"/>
</many-to-one>
</class>
</hibernate-mapping>
и зимуют CFG
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">org.apache.derby.jdbc.EmbeddedDriver</property>
<property name="hibernate.connection.pool_size">10</property>
<property name="show_sql">false</property>
<property name="hibernate.dialect">org.hibernate.dialect.DerbyTenSevenDialect</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<mapping resource="pl/edu/calendar/models/mapping/UserEntity.hbm.xml"/>
<mapping resource="pl/edu/calendar/models/mapping/NotesEntity.hbm.xml"/>
</session-factory>
</hibernate-configuration>
я получаю ошибки (я могу опубликовать полный стек, если необходимо, bu t это очень длинный): Вызвано: org.hibernate.MappingException: Не удалось получить конструктор для org.hibernate.persister.entity.SingleTableEntityPersister Вызвано: org.hibernate.InstantiationException: не удалось создать экземпляр объекта objectpl.edu.calendar .models.entity.NotesEntity Вызванные: java.lang.reflect.InvocationTargetException
Java версия 1.7.0.45 Hibernate версия 4.2.2 Hibernate Обще аннотация 4.2.0 Java помочь 3.15 Все останавливается при SessionFactory = конфигурации .buildSessionFactory (serviceRegistry); эти записи в журналах несколько раз. Любые идеи, что может быть неправильным?