title: Spring Hibernate - Could not obtain transaction-synchronized Session for current thread
body: <p>I created an application with spring + hibernate, but I always get this error. This is my first application with hibernate, I read some guides but I can not solve this problem. Where am I doing wrong?</p>
  
  <p>This is the code of my application</p>
  
  <pre><code>ott 05, 2014 4:03:06 PM org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
  Informazioni: Refreshing   org.springframework.context.support.ClassPathXmlApplicationContext@1eab16b: startup date  [Sun Oct 05 16:03:06 CEST 2014]; root of context hierarchy
  ott 05, 2014 4:03:06 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
  Informazioni: Loading XML bean definitions from class path resource [springConfig.xml]
  ott 05, 2014 4:03:08 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager &lt;clinit&gt;
  INFO: HCANN000001: Hibernate Commons Annotations {4.0.5.Final}
  ott 05, 2014 4:03:08 PM org.hibernate.Version logVersion
  INFO: HHH000412: Hibernate Core {4.3.6.Final}
  ott 05, 2014 4:03:08 PM org.hibernate.cfg.Environment &lt;clinit&gt;
  INFO: HHH000206: hibernate.properties not found
  ott 05, 2014 4:03:08 PM org.hibernate.cfg.Environment buildBytecodeProvider
  INFO: HHH000021: Bytecode provider name : javassist
  ott 05, 2014 4:03:09 PM org.hibernate.dialect.Dialect &lt;init&gt;
  INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
  ott 05, 2014 4:03:09 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
  INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
  ott 05, 2014 4:03:09 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory &lt;init&gt;
  INFO: HHH000397: Using ASTQueryTranslatorFactory
  Exception in thread "main" org.hibernate.HibernateException: Could not obtain transaction-synchronized Session for current thread
  at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:134)
  at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:1014)
  at coreservlets.StudentDAOImpl.create(StudentDAOImpl.java:19)
  at coreservlets.MainApp.main(MainApp.java:14)
  </code></pre>
  
  <p>student.java</p>
  
  <pre><code>package coreservlets;
  
  public class Student {
  
      private Integer id;
      private String name;
      private Integer age;
  
      public Integer getId(){return id;}//getId
  
      public void setId(Integer id){this.id=id;}//setId
  
      public String getName(){return name;}//getName
  
      public void setName(String name){this.name=name;}//setName
  
      public Integer getAge(){return age;}//getAge
  
      public void setAge(Integer age){this.age=age;}//setAge
  
  }//Student
  </code></pre>
  
  <p>studentDAO.java</p>
  
  <pre><code>package coreservlets;
  
  import org.hibernate.SessionFactory;
  
  public interface StudentDAO {
  
      public void setSessionFactory(SessionFactory sessionFactory);
  
      public void create(String name,Integer age);
  
  }//StudentDAO
  </code></pre>
  
  <p>StudentDAOImpl.java</p>
  
  <pre><code>package coreservlets;
  
  import org.hibernate.Session;
  import org.hibernate.SessionFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Repository;
  
  @Repository
  public class StudentDAOImpl implements StudentDAO {
  
      private SessionFactory sessionFactory;
  
      @Autowired
      public void setSessionFactory(SessionFactory sessionFactory){
          this.sessionFactory=sessionFactory;
      }//setSessionFactory
  
      public void create(String name,Integer age){
          Session session=sessionFactory.getCurrentSession();
          Student student=new Student();
          student.setName(name);
          student.setAge(age);
          session.save(student);
      }//create
  
  }//StudentDAOImpl
  </code></pre>
  
  <p>MainApp.java</p>
  
  <pre><code>package coreservlets;
  
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.support.ClassPathXmlApplicationContext;
  
  public class MainApp {
  
      public static void main(String[] args) {
  
          ApplicationContext context=new ClassPathXmlApplicationContext("springConfig.xml");
  
          StudentDAOImpl student=(StudentDAOImpl) context.getBean("studentDAOImpl");
  
          student.create("Alessandro", new Integer(33));
  
  
      }//main
  
  }//MainApp
  </code></pre>
  
  <p>springConfig.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd
      http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"&gt;
  
  &lt;context:annotation-config/&gt;
  
  &lt;context:component-scan base-package="coreservlets"/&gt;
  
  &lt;bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"&gt;
    &lt;property name="driverClassName" value="com.mysql.jdbc.Driver"/&gt;
    &lt;property name="url" value="jdbc:mysql://localhost:3306/spring_hibernate"/&gt;
    &lt;property name="username" value="root"/&gt;
    &lt;property name="password" value="password"/&gt;
    &lt;property name="initialSize" value="5"/&gt;
    &lt;property name="maxTotal" value="10"/&gt;
  &lt;/bean&gt;
  
  &lt;bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"&gt;
  &lt;property name="dataSource" ref="dataSource"/&gt;
  &lt;property name="hibernateProperties"&gt;
      &lt;value&gt;
              hibernate.dialect=org.hibernate.dialect.MySQLDialect
      &lt;/value&gt;
  &lt;/property&gt;
  
  &lt;/bean&gt;
  
  &lt;/beans&gt;
  </code></pre>
  
  <p>sql</p>
  
  <pre><code>create table student
  (
  id integer not null auto_increment,
  name varchar(20) not null,
  age integer not null,
  primary key(id)
  );
  </code></pre>