I am trying to do Spring 4 + Hibernate 4 configuration. I'm facing the error: org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
Could you please help to identify where I am wrong? Below are the configurations.
spring-database.xml:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
<!-- MySQL data source -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/personal" />
<property name="username" value="root" />
<property name="password" value="password" />
</bean>
<!-- Hibernate session factory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mappingResources">
<list>
<value>/orm/Song.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
</props>
</property>
</bean>
<bean id="songDao" class="com.letsdo.impl.SongImpl">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- MUST have transaction manager, using aop and aspects -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
</beans>
SongImpl.java:
package com.letsdo.impl;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.letsdo.dao.SongDao;
@Repository
@Transactional
public class SongImpl implements SongDao{
@Autowired
private SessionFactory sessionFactory;
@SuppressWarnings("unchecked")
public List<String> getAllAlbums(){
List<String> allAlbums = new ArrayList<String>();
Query query = getSessionFactory().getCurrentSession().createQuery("Select DISTINCT Album from song");
allAlbums = query.list();
return allAlbums;
}
public SessionFactory getSessionFactory() {
return sessionFactory;
}
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
}
HomeController.java:
package com.letsdo.controller;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import com.letsdo.dao.SongDao;
import com.letsdo.impl.SongImpl;
@Controller
public class HomeController {
@Autowired
private SongImpl songDao;
@RequestMapping(value="/", method=RequestMethod.GET)
public ModelAndView welcomePageBeforeLogin(HttpServletRequest request, HttpServletResponse response,HttpSession session){
ModelAndView model = new ModelAndView();
List<String> album = songDao.getAllAlbums();
model.addObject("albumsize",album.size());
model.setViewName("hello");
return model;
}
}
mvc-dispatcher-servlet.xml:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="com.letsdo.*" />
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/pages/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
</beans>
