javax.naming.NameNotFoundException : Name [SessionFactory] is not bound in this Context. 无法找到 [SessionFactory]

Question

我正在尝试在我的 Spring 应用程序中使用 Hibernate 进行 Db 访问。但是现在，我收到以下错误:

Could not locate SessionFactory in JNDI
javax.naming.NameNotFoundException: Name [SessionFactory] is not bound in this Context. Unable to find [SessionFactory].
    at org.apache.naming.NamingContext.lookup(NamingContext.java:820)
    at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
    at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
    at javax.naming.InitialContext.lookup(InitialContext.java:411)
    at org.ligadesportiva.data.UsuarioHome.getSessionFactory(UsuarioHome.java:28)
    at org.ligadesportiva.data.UsuarioHome.<init>(UsuarioHome.java:23)
    at org.ligadesportiva.controller.controller.login(controller.java:36)
    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.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
    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.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:99)
    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:1023)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
    at org.apache.tomcat.util.net.JIoEndpoint$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:744)

这是我的类 DAO (UsuarioHome.java):

package org.ligadesportiva.data;

// Generated 15/03/2014 09:34:19 by Hibernate Tools 3.4.0.CR1

import java.util.List;
import javax.naming.InitialContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.ligadesportiva.core.Usuario;

/**
 * Home object for domain model class Usuario.
 * @see org.ligadesportiva.core.Usuario
 * @author Hibernate Tools
 */
public class UsuarioHome {

    private static final Log log = LogFactory.getLog(UsuarioHome.class);

    private final SessionFactory sessionFactory = getSessionFactory();

    protected SessionFactory getSessionFactory() {
        try {
            return (SessionFactory) new InitialContext()
                    .lookup("SessionFactory");
        } catch (Exception e) {
            log.error("Could not locate SessionFactory in JNDI", e);
            throw new IllegalStateException(
                    "Could not locate SessionFactory in JNDI");
        }
    }

    public void persist(Usuario transientInstance) {
        log.debug("persisting Usuario instance");
        try {
            sessionFactory.getCurrentSession().persist(transientInstance);
            log.debug("persist successful");
        } catch (RuntimeException re) {
            log.error("persist failed", re);
            throw re;
        }
    }

    public void attachDirty(Usuario instance) {
        log.debug("attaching dirty Usuario instance");
        try {
            sessionFactory.getCurrentSession().saveOrUpdate(instance);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }

    public void attachClean(Usuario instance) {
        log.debug("attaching clean Usuario instance");
        try {
            sessionFactory.getCurrentSession().lock(instance, LockMode.NONE);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }

    public void delete(Usuario persistentInstance) {
        log.debug("deleting Usuario instance");
        try {
            sessionFactory.getCurrentSession().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }

    public Usuario merge(Usuario detachedInstance) {
        log.debug("merging Usuario instance");
        try {
            Usuario result = (Usuario) sessionFactory.getCurrentSession()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

    public Usuario findById(int id) {
        log.debug("getting Usuario instance with id: " + id);
        try {
            Usuario instance = (Usuario) sessionFactory.getCurrentSession()
                    .get("org.ligadesportiva.data.Usuario", id);
            if (instance == null) {
                log.debug("get successful, no instance found");
            } else {
                log.debug("get successful, instance found");
            }
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }

    public List findByExample(Usuario instance) {
        log.debug("finding Usuario instance by example");
        try {
            List results = sessionFactory.getCurrentSession()
                    .createCriteria("org.ligadesportiva.data.Usuario")
                    .add(Example.create(instance)).list();
            log.debug("find by example successful, result size: "
                    + results.size());
            return results;
        } catch (RuntimeException re) {
            log.error("find by example failed", re);
            throw re;
        }
    }
}

这个方法是从我的 Controller 调用的，这样:

@RequestMapping(value="/login", method=RequestMethod.POST)
    public ModelAndView login(@RequestParam("username") String username, @RequestParam("password") String password) throws NoSuchAlgorithmException
    {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(password.getBytes());
        byte[] digest = md.digest();

        Usuario temp = new Usuario(username, convertByteToHex(digest));
        UsuarioHome tempHome = new UsuarioHome();
        List<Usuario> lista = tempHome.findByExample(temp);
        if(lista.size() == 0) {
            ModelAndView mav = new ModelAndView();
            mav.setViewName("usuario_login");
            mav.addObject("message", "N&atilde;o foi possivel efetuar o login");
            return mav;
        }
        else {
            this.sessao = new Sessao();
            ModelAndView mav = new ModelAndView();
            mav.setViewName("usuario_start");
            mav.addObject("usuario", temp);
            return mav;
        }
    }

有人可以识别我做错了什么吗？

更新 1根据 CodeBlender 的建议，我将这个类添加到我的项目中(在包 org.ligadesportiva.resources 中):

package org.ligadesportiva.resources;

import java.util.Properties;
import javax.sql.DataSource;
import org.apache.tomcat.dbcp.dbcp.BasicDataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.orm.hibernate3.HibernateTransactionManager;
import org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@Configuration
@EnableTransactionManagement
@PropertySource({ "classpath:database.properties" })
@ComponentScan({ "org.ligadesportiva.data" })
public class HibernateConfig {

   @Autowired
   private Environment env;

   @Bean
   public AnnotationSessionFactoryBean sessionFactory() {
      AnnotationSessionFactoryBean sessionFactory = new AnnotationSessionFactoryBean();
      sessionFactory.setDataSource(restDataSource());
      sessionFactory.setPackagesToScan(new String[] { "org.ligadesportiva.core" });
      sessionFactory.setHibernateProperties(hibernateProperties());

      return sessionFactory;
   }

   @Bean
   public DataSource restDataSource() {
      BasicDataSource dataSource = new BasicDataSource();
      dataSource.setDriverClassName(env.getProperty("jdbc.driverClassName"));
      dataSource.setUrl(env.getProperty("jdbc.url"));
      dataSource.setUsername(env.getProperty("jdbc.user"));
      dataSource.setPassword(env.getProperty("jdbc.pass"));

      return dataSource;
   }

   @Bean
   public HibernateTransactionManager transactionManager() {
      HibernateTransactionManager txManager = new HibernateTransactionManager();
      txManager.setSessionFactory(sessionFactory().getObject());

      return txManager;
   }

   @Bean
   public PersistenceExceptionTranslationPostProcessor exceptionTranslation() {
      return new PersistenceExceptionTranslationPostProcessor();
   }

   Properties hibernateProperties() {
      return new Properties() {
         {
            setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
            setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
         }
      };
   }
}

并将此行添加到我的类 UsuarioHome(DAO 类):

private HibernateConfig hibernateConfig = new HibernateConfig();

    private final SessionFactory sessionFactory = (SessionFactory) hibernateConfig.sessionFactory();

我不知道我做的对不对，但是报错信息变成了这样:

Answer 1

您的错误是由 (SessionFactory) new InitialContext().lookup("SessionFactory") 引起的。由于您使用的是 spring 框架，我建议您使用 IoC 方法而不是使用 InitialContext。 =)

要使用 SessionFactory，您需要使用多个属性初始化此类，例如数据源、hibernateProperties、实体等。通常使用 XML 或注释驱动方法完成。您将配置 SessionFactory 并让它存在于您的 IoC 容器中，然后将其注入(inject)您的 UsuarioHome 类。

http://www.javacodegeeks.com/2013/05/hibernate-3-with-spring.html

上面的链接显示了两种方法(XML 和注释)。尝试遵循它并设置 bean。 =D

更新:这个 mkyong 的教程包含分步教程，而且非常清晰! http://www.mkyong.com/spring/maven-spring-hibernate-mysql-example/