Hibernate4 + Spring4 org.hibernate.HibernateException：當'hibernate.dialect'未設置時，對DialectResolutionInfo的訪問不能爲空

Question

需要一些幫助的人。 我只是學習使用Spring和Hibernate，所以我可能在某個地方犯了一個基本的錯誤，但我無法弄清楚在哪裏。 我嘗試在tomcat 8服務器上運行我的應用程序，我使用BoneCP作爲DataSource實現和MySQL，我在沒有Maven的情況下構建它。我

之前有沒有問題，我有我的Spring XML文件springdispatcher-servlet.xml中

<?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:context="http://www.springframework.org/schema/context" 
     xsi:schemaLocation="http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans.xsd 
    http://www.springframework.org/schema/context 
    http://www.springframework.org/schema/context/spring-context.xsd"> 

<context:component-scan base-package="main.statisthira"/> 
<context:property-placeholder location="WEB-INF/properties/gers.properties"/> 

<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
    <property name="prefix"><value>/WEB-INF/jsp/</value></property> 
    <property name="suffix"><value>.jsp</value></property> 
</bean> 

<bean name="dataSource" class="com.jolbox.bonecp.BoneCPDataSource"> 
    <property name="username" value="gers"/> 
    <property name="password" value="password"/> 
    <property name="user" value="jdbc:mysql://localhost:3306/statisthira"/> 
    <property name="driverClass" value="com.mysql.jdbc.Driver"/> 
</bean> 

<bean name="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean" lazy-init="true"> 
    <property name="dataSource" ref="dataSource"/> 

</bean> 

<bean name="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> 
    <property name="sessionFactory" ref="sessionFactory"/> 
</bean> 

<bean name="songNewDAO" class="main.statisthira.dao.SongNewDAO"> 
    <property name="sessionFactory" ref="sessionFactory"/> 
</bean> 

然後我的Hibernate XML配置文件的hibernate.cfg.xml。 hibernate.dialect被明確定義，但沒有任何反應

<?xml version='1.0' encoding='utf-8'?> 
<!DOCTYPE hibernate-configuration PUBLIC 
     "-//Hibernate/Hibernate Configuration DTD 3.0//EN" 
     "classpath://org/hibernate/hibernate-configuration-3.0.dtd"> 

<hibernate-configuration> 
    <session-factory> 
     <property name="dialect">org.hibernate.dialect.MySQLDialect</property> 
     <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> 
     <property name="hibernate.cache.use_second_level_cache">false</property> 
     <property name="hibernate.cache.use_query_cache">false</property> 
     <property name="show_sql">false</property> 
     <mapping package="main.statisthira.model"/> 
    </session-factory> 
</hibernate-configuration> 

我嘗試使用SessionFactory的一個簡單的DAO

@Transactional 
    @Repository 
    public class SongNewDAO implements ISongNewDAO{ 

     @Autowired 
     private SessionFactory sessionFactory; 

     @Override 
     public Song getSongById(String id){ 
      return (Song) sessionFactory.getCurrentSession().byId(id); 
     } 

     public SessionFactory getSessionFactory() { 
      return sessionFactory; 
     } 

     public void setSessionFactory(SessionFactory sessionFactory) { 
      this.sessionFactory = sessionFactory; 
     } 

no error at compilation, but when I try to access one of my controller that uses the DAO, I get a long error message, ending with : 
org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set 
    org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:104) 
    org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:71) 
    org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:205) 
    org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111) 
    org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234) 
    org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206) 
    org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887) 
    org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845) 
    org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930) 
    org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372) 
    org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454) 
    org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) 
    org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) 
    org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 
    org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) 
    org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1120) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1044) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942) 
    org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533) 
    org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) 
    org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1210) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) 
    org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) 
    org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 
    org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) 
    org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1120) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1044) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942) 
    org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533) 
    org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) 
    org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1210) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537) 
    org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) 
    org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) 
    org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 
    org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) 
    org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) 
    org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755) 
    org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) 
    org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) 
    org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:664) 
    org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:630) 
    org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:678) 
    org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:549) 
    org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:490) 
    org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) 
    javax.servlet.GenericServlet.init(GenericServlet.java:158) 
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) 
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) 
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) 
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:516) 
    org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1086) 
    org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:659) 
    org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:223) 
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1558) 
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1515) 
    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 
    java.lang.Thread.run(Thread.java:745) 

我脫機工作，這thread建議盡在

一些變化

的web.xml文件

<?xml version="1.0" encoding="UTF-8"?> 

http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd」 版本= 「3.1」>

<servlet> 
    <servlet-name>springdispatcher</servlet-name> 
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 
</servlet> 

<servlet-mapping> 
    <servlet-name>springdispatcher</servlet-name> 
    <url-pattern>/</url-pattern> 
</servlet-mapping> 

<welcome-file-list> 
    <welcome-file>/WEB-INF/jsp/home.jsp</welcome-file> 
</welcome-file-list> 

我的控制器Home.java

Controller 

@RequestMapping（ 「/家」） 公共類首頁{

@Autowired 
private ISongNewDAO songNewDAO; 

@RequestMapping(method = RequestMethod.GET) 
public String helloWorld(ModelMap model) { 
    Song song = songNewDAO.getSongById("0isp4utk4v"); 
    model.addAttribute("song", song); 
    model.addAttribute("message", "Hello world"); 
    return "home"; 
} 

public ISongNewDAO getSongNewDAO() { 
    return songNewDAO; 
} 

public void setSongNewDAO(ISongNewDAO songNewDAO) { 
    this.songNewDAO = songNewDAO; 
} 

Answer 1

您需要在sessionFactory bean中指定您的休眠配置文件的位置：

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