мы используем spring, hibernate и hsql, чтобы сохранить простую пользовательскую сущность. Мы всегда получаем ошибку «таблица не найдена». Ты хоть представляешь, что это может быть? Кажется, что таблица не сгенерирована или база данных hsql вообще не работает.
С уважением,
G.
@Entity
@Table (name="USER")
public class User {
@Id
@GeneratedValue(strategy= GenerationType.AUTO)
@Column(name="ID")
private Long id;
@Column(name="NAME", length = 100, nullable = false)
private String name;
public User(){}
//getters and setters ...
этим дао-классом:
package de.hsrm.mediathek;
import java.util.List;
public class UserDao implements IUserDao{
private HibernateTemplate hibernateTemplate;
public void setHibernateTemplate(final HibernateTemplate hibernateTemplate){
this.hibernateTemplate = hibernateTemplate;
}
@Transactional
public void store(final User user){
hibernateTemplate.saveOrUpdate(user);
}
@Transactional
public void delete(final Long userId){
final User user = (User) hibernateTemplate.get(User.class, userId);
hibernateTemplate.delete(user);
}
@Transactional(readOnly = true)
public User findById(final Long userId){
return (User) hibernateTemplate.get(User.class, userId);
}
@Transactional(readOnly = true)
public List<User> findAll(){
return hibernateTemplate.find("from User");
}
}
Конфигурационный XML:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
<tx:annotation-driven/>
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="org.hsqldb.jdbcDriver" />
<property name="url" value="jdbc:hsqldb:mem:mediathekdb" />
<property name="username" value="sa" />
<property name="password" value="" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="annotatedClasses">
<list>
<value>de.hsrm.mediathek.User</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop>
<prop key="hibernate.hbm2dll.auto">create-drop</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.connection.pool_size">10</prop>
<prop
key="hibernate.cache.provider_class">
org.hibernate.cache.HashtableCacheProvider</prop>
</props>
</property>
</bean>
<bean id="hibernateTemplate"
class="org.springframework.orm.hibernate3.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="userDao" class="de.hsrm.mediathek.UserDao">
<property name="hibernateTemplate" ref="hibernateTemplate" />
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- Interceptor for hibernate calls to be able to create and close sessions
<bean id="hibernateInterceptor"
class="org.springframework.orm.hibernate3.HibernateInterceptor">
<property name="sessionFactory"><ref local="sessionFactory"/></property>
</bean>
-->
</beans>
Журнал ошибок:
Caused by: java.sql.SQLException: Table not found in statement [insert into User (ID, NAME) values (null, ?)]
at org.hsqldb.jdbc.Util.throwError(Unknown Source)
at org.hsqldb.jdbc.jdbcPreparedStatement.<init>(Unknown Source)
at org.hsqldb.jdbc.jdbcConnection.prepareStatement(Unknown Source)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:528)
at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:95)
at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:30)
... 63 more