@Component
public class RestaurantOwnerRepository implements RestauranOwnerDAO {

   private SessionFactory sessionFactory;

   public RestaurantOwnerRepository(SessionFactory sessionFactory) {
      this.sessionFactory = sessionFactory;
   }

   @Override
   @Transactional
   public List<Restaurant> getAvailableRestaurants(String sessionId) {

      Session session = sessionFactory.getCurrentSession();
      // ..
   }
}

@Configurable
public class RestaurantInformationServiceImpl  extends XsrfProtectedServiceServlet implements RestaurantInformationService {
   private static final long serialVersionUID = -4088840947018614411L;

   private final static Logger logger = Logger.getLogger(RestaurantInformationServiceImpl.class);

   @Autowired
   public RestauranOwnerDAO restaurantOwnerRepository;

   @Override
   public void init(ServletConfig config) throws ServletException {
      super.init(config);

      ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/appServlet/servlet-context.xml");

      this.restaurantOwnerRepository = (RestauranOwnerDAO)applicationContext.getBean("restaurantOwnerRepository");

      ((ConfigurableApplicationContext)applicationContext).close();
   }

   @Override
   public List<RestaurantDTO> getAvailableRestaurants() {

      List<Restaurant> availableRestaurants = restaurantOwnerRepository.getAvailableRestaurants(getSessionId());
      // ..
   }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:mvc="http://www.springframework.org/schema/mvc"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans"
   xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
   xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
      http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

   <!-- DispatcherServlet Context: defines this servlet's request-processing
      infrastructure -->

   <!-- Enables the Spring MVC @Controller programming model -->
   <mvc:annotation-driven />

   <!-- Handles HTTP GET requests for /resources/** by efficiently serving
      up static resources in the ${webappRoot}/resources directory -->
   <mvc:resources mapping="/resources/**" location="/resources/" />

   <!-- Resolves views selected for rendering by @Controllers to .jsp resources
      in the /WEB-INF/views directory -->
   <bean
      class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <property name="prefix" value="/WEB-INF/views/" />
      <property name="suffix" value=".jsp" />
   </bean>

   <context:component-scan base-package="com.mahlzeit.web.server" />

   <bean id="dataSource"
      class="org.springframework.jdbc.datasource.DriverManagerDataSource">
      <property name="driverClassName" value="com.mysql.jdbc.Driver" />
      <property name="url" value="jdbc:mysql://localhost:3306/mahlzeit_db" />
      <property name="username" value="root" />
      <property name="password" value="" />
   </bean>

   <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
      <property name="dataSource" ref="dataSource" />
      <property name="configLocation" value="classpath:hibernate-webserver.cfg.xml" />
   </bean>

   
<!--    <tx:annotation-driven transaction-manager="transactionManager"/> -->
   <tx:annotation-driven/>
   <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
      <property name="sessionFactory" ref="sessionFactory" />
   </bean>

   <bean id="restaurantOwnerRepository" class="com.mahlzeit.web.server.dao.RestaurantOwnerRepository">
      <constructor-arg>
         <ref bean="sessionFactory" />
      </constructor-arg>
   </bean>
   
</beans>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
   <session-factory>

      <property name="connection.url">jdbc:mysql://localhost:3306/mahlzeit_db</property>
      <property name="connection.username">root</property>
      <property name="connection.password"></property>
      <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
      <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

      <!-- Batch size -->
      <!-- <property name="hibernate.jdbc.batch_size">20</property> -->

      <!-- Echo all executed SQL to stdout -->
      <property name="show_sql">false</property>
      <property name="format_sql">false</property>

      <!-- Drop and re-create the database schema on startup -->
      <!-- <property name="hibernate.hbm2ddl.auto">create-drop</property> -->
      <!-- Run Hibernate in update mode -->
      <property name="hibernate.hbm2ddl.auto">update</property>

      <!-- JDBC connection pool (use the built-in) -->
      <property name="connection.pool_size">1</property>
      <!-- Bind the getCurrentSession() method to the thread -->
      <!-- <property name="current_session_context_class">thread</property> -->

      <!-- Mappings ... -->

   </session-factory>

</hibernate-configuration>

    com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract java.util.List com.mahlzeit.web.shared.service.restaurant.RestaurantInformationService.getAvailableRestaurants()' threw an unexpected exception: org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.service.jdbc.connections.spi.ConnectionProvider]
       at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:415)
       at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:605)
       at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:333)
       at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:303)
       at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:373)
       at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
       at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
       at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
       at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
       at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
       at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
       at java.lang.Thread.run(Thread.java:745)
    Caused by: org.hibernate.service.UnknownServiceException: Unknown service requested [org.hibernate.service.jdbc.connections.spi.ConnectionProvider]
       at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:126)
       at org.hibernate.internal.AbstractSessionImpl.getJdbcConnectionAccess(AbstractSessionImpl.java:261)
       at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.<init>(JdbcCoordinatorImpl.java:97)
       at org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.<init>(TransactionCoordinatorImpl.java:87)
       at org.hibernate.internal.SessionImpl.<init>(SessionImpl.java:254)
       at org.hibernate.internal.SessionFactoryImpl$SessionBuilderImpl.openSession(SessionFactoryImpl.java:1609)
       at org.hibernate.internal.SessionFactoryImpl.openSession(SessionFactoryImpl.java:973)
       at org.springframework.orm.hibernate4.SpringSessionContext.currentSession(SpringSessionContext.java:122)
       at org.hibernate.internal.SessionFactoryImpl.getCurrentSession(SessionFactoryImpl.java:988)
       at com.mahlzeit.web.server.dao.RestaurantOwnerRepository.getAvailableRestaurants(RestaurantOwnerRepository.java:62)
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.lang.reflect.Method.invoke(Method.java:606)
       at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
       at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
       at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
       at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:266)
       at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
       at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
       at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
       at com.sun.proxy.$Proxy50.getAvailableRestaurants(Unknown Source)
       at com.mahlzeit.web.server.service.restaurant.RestaurantInformationServiceImpl.getAvailableRestaurants(RestaurantInformationServiceImpl.java:50)
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.lang.reflect.Method.invoke(Method.java:606)
       at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:587)
       ... 25 more

((ConfigurableApplicationContext)applicationContext).close(); // baaad ...