mysql - Spring MVC + Hibernate 没有对数据库做任何事情，没有抛出异常

标签 mysql spring hibernate model-view-controller

我不知道如何解决。我一直在玩 Spring MVC 和 Hibernate，我已经与我的数据库建立了连接，提取数据，没问题。

我添加了一个@Entity，并且可能做了一些其他的更改，现在 Hibernate 不会做任何事情。无论如何，我的意思是没有执行 SQL(如 tomcat 日志中所示，使用 hibernate 的 show-sql 选项)。也没有任何异常抛出，Hibernate 甚至告诉我它已经更新了数据库模式(它没有，因为没有创建表。)。

我已经检查过使用调试器在运行时调用了 getAllArticles() 方法。

我真的不知道现在要检查什么，如果有人知道我将永远感激不尽。

我的 servlet config.xml:

<?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:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.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-3.2.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd">

    <mvc:resources location="/resources/" mapping="/resources/**" />
    <mvc:annotation-driven />

    <context:component-scan base-package="com.last" />

    <tx:annotation-driven transaction-manager="transactionManager" />

    <bean
        class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />

    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://10.0.0.2/lastDB" />
        <property name="username" value="dbuser" />
        <property name="password" value="dbpass" />
    </bean>

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="packagesToScan" value="com.test" />
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.hbm2ddl.auto">create</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>

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

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

实体:

package com.last.entities;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

@Entity
@Table(name = "ARTICLE")
public class Article {


    private int id;
    private String content;
    private User author;

    @Id
    @GeneratedValue
    @Column(name = "ARTICLE_ID")
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }

    @Column(name = "CONTENT", length=10000)
    public String getContent() {
        return content;
    }
    public void setContent(String content) {
        this.content = content;
    }

    @ManyToOne
    @Column(name="AUTHOR")
    @JoinColumn(name = "USER_USER_ID")
    public User getAuthor() {
        return author;
    }
    public void setAuthor(User user) {
        this.author = user;
    }
}

DAO:

package com.last.dao;

import java.util.List;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import com.last.entities.Article;
import com.last.entities.User;
import com.last.exceptions.DAOException;

@SuppressWarnings("unchecked")
@Component
@Transactional(readOnly = true)
public class DAOImpl implements DAO {

    @Autowired
    SessionFactory sessionFactory;

    private Session currentSession() {
        return sessionFactory.getCurrentSession();
    }

    @Override
    public List<User> getUserList() {
        return currentSession().createCriteria(User.class).list();
    }


    @Override
    public User getUserByID(int id) {
        User result = (User) currentSession().createCriteria(User.class)
                .add(Restrictions.eq("id", id)).uniqueResult();

        if (result == null) {
            throw new DAOException(DAOException.NO_RESULT);
        } else {
            return result;
        }
    }

    @Override
    public List<Article> getAllArticles() {     
        return currentSession().createCriteria(Article.class).list();
    }
}

Tomcat 的日志:

avr. 22, 2013 4:39:10 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.7.0_15\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;D:\Programmes\LaTeX\MikTeX\miktex\bin;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Haskell\bin;D:\Programming Stuff\Haskell\2010.2.0.0\lib\extralibs\bin;D:\Programming Stuff\Haskell\2010.2.0.0\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\WIDCOMM\Bluetooth Software\;C:\Program Files\WIDCOMM\Bluetooth Software\syswow64;C:\Program Files (x86)\GTK2-Runtime\bin;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;D:\Programmes\PostgreSQL\bin;C:\Program Files\Calibre2\;F:\RailsInstaller\Git\cmd;F:\RailsInstaller\Ruby1.9.2\bin;D:\Programming Stuff\RailsInstaller\Git\cmd;D:\Programming Stuff\RailsInstaller\Ruby1.9.2\bin;F:\Web Server\wamp\ruby\bin;C:\Program Files\Java\jdk1.7.0_02\bin;D:\Programmes\NetBeans\ant\apache-ant-1.8.4\bin;C:\Program Files (x86)\OpenVPN\bin;.
avr. 22, 2013 4:39:11 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
avr. 22, 2013 4:39:11 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
avr. 22, 2013 4:39:11 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1055 ms
avr. 22, 2013 4:39:11 PM org.apache.catalina.core.StandardService startInternal
INFO: Démarrage du service Catalina
avr. 22, 2013 4:39:11 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.37
avr. 22, 2013 4:39:12 PM org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [128] milliseconds.
avr. 22, 2013 4:39:12 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Déploiement du descripteur de configuration D:\Programming Stuff\Projects\FinalTest\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\conf\Catalina\localhost\Last.xml
avr. 22, 2013 4:39:12 PM org.apache.catalina.startup.SetContextPropertiesRule begin
WARNING: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Last' did not find a matching property.
avr. 22, 2013 4:39:15 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
avr. 22, 2013 4:39:15 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
avr. 22, 2013 4:39:15 PM org.springframework.web.context.ContextLoader initWebApplicationContext
INFO: Root WebApplicationContext: initialization started
avr. 22, 2013 4:39:15 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing Root WebApplicationContext: startup date [Mon Apr 22 16:39:15 CEST 2013]; root of context hierarchy
avr. 22, 2013 4:39:15 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from ServletContext resource [/WEB-INF/last-servlet.xml]
avr. 22, 2013 4:39:16 PM org.springframework.context.support.AbstractApplicationContext$BeanPostProcessorChecker postProcessAfterInitialization
INFO: Bean 'dataSource' of type [class org.apache.commons.dbcp.BasicDataSource] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
avr. 22, 2013 4:39:16 PM org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
avr. 22, 2013 4:39:16 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.0.Final}
avr. 22, 2013 4:39:16 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
avr. 22, 2013 4:39:16 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
avr. 22, 2013 4:39:17 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
avr. 22, 2013 4:39:17 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation
INFO: HHH000424: Disabling contextual LOB creation as createClob() method threw error : java.lang.reflect.InvocationTargetException
avr. 22, 2013 4:39:17 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
avr. 22, 2013 4:39:17 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
avr. 22, 2013 4:39:17 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000227: Running hbm2ddl schema export
avr. 22, 2013 4:39:17 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000230: Schema export complete
avr. 22, 2013 4:39:17 PM org.springframework.context.support.AbstractApplicationContext$BeanPostProcessorChecker postProcessAfterInitialization
INFO: Bean 'sessionFactory' of type [class org.springframework.orm.hibernate4.LocalSessionFactoryBean] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
avr. 22, 2013 4:39:17 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1312f348: defining beans [org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0,org.springframework.web.servlet.handler.SimpleUrlHandlerMapping#0,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter,mvcContentNegotiationManager,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver#0,org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver#0,org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver#0,mainController,DAOImpl,serviceImpl,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0,dataSource,sessionFactory,transactionManager,org.springframework.web.servlet.view.InternalResourceViewResolver#0,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor]; root of factory hierarchy
avr. 22, 2013 4:39:17 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler
INFO: Mapped URL path [/resources/**] onto handler 'org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0'
avr. 22, 2013 4:39:17 PM org.springframework.web.servlet.handler.AbstractHandlerMethodMapping registerHandlerMethod
INFO: Mapped "{[/],methods=[GET],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String com.last.controllers.MainController.showHomePage(java.util.Map<java.lang.String, java.lang.Object>)
avr. 22, 2013 4:39:18 PM org.springframework.orm.hibernate4.HibernateTransactionManager afterPropertiesSet
INFO: Using DataSource [org.apache.commons.dbcp.BasicDataSource@6192fb7a] of Hibernate SessionFactory for HibernateTransactionManager
avr. 22, 2013 4:39:18 PM org.springframework.web.context.ContextLoader initWebApplicationContext
INFO: Root WebApplicationContext: initialization completed in 3389 ms
avr. 22, 2013 4:39:18 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'last'
avr. 22, 2013 4:39:18 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: FrameworkServlet 'last': initialization started
avr. 22, 2013 4:39:18 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing WebApplicationContext for namespace 'last-servlet': startup date [Mon Apr 22 16:39:18 CEST 2013]; parent: Root WebApplicationContext
avr. 22, 2013 4:39:18 PM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from ServletContext resource [/WEB-INF/last-servlet.xml]
avr. 22, 2013 4:39:18 PM org.springframework.context.support.AbstractApplicationContext$BeanPostProcessorChecker postProcessAfterInitialization
INFO: Bean 'dataSource' of type [class org.apache.commons.dbcp.BasicDataSource] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
avr. 22, 2013 4:39:18 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
avr. 22, 2013 4:39:18 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation
INFO: HHH000424: Disabling contextual LOB creation as createClob() method threw error : java.lang.reflect.InvocationTargetException
avr. 22, 2013 4:39:18 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
avr. 22, 2013 4:39:18 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
avr. 22, 2013 4:39:18 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000227: Running hbm2ddl schema export
avr. 22, 2013 4:39:18 PM org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000230: Schema export complete
avr. 22, 2013 4:39:18 PM org.springframework.context.support.AbstractApplicationContext$BeanPostProcessorChecker postProcessAfterInitialization
INFO: Bean 'sessionFactory' of type [class org.springframework.orm.hibernate4.LocalSessionFactoryBean] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
avr. 22, 2013 4:39:18 PM org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1b2cc445: defining beans [org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0,org.springframework.web.servlet.handler.SimpleUrlHandlerMapping#0,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping,org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter,org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter,mvcContentNegotiationManager,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0,org.springframework.format.support.FormattingConversionServiceFactoryBean#0,org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter#0,org.springframework.web.servlet.handler.MappedInterceptor#0,org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver#0,org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver#0,org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver#0,mainController,DAOImpl,serviceImpl,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalPersistenceAnnotationProcessor,org.springframework.aop.config.internalAutoProxyCreator,org.springframework.transaction.annotation.AnnotationTransactionAttributeSource#0,org.springframework.transaction.interceptor.TransactionInterceptor#0,org.springframework.transaction.config.internalTransactionAdvisor,org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0,dataSource,sessionFactory,transactionManager,org.springframework.web.servlet.view.InternalResourceViewResolver#0,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor]; parent: org.springframework.beans.factory.support.DefaultListableBeanFactory@1312f348
avr. 22, 2013 4:39:18 PM org.springframework.web.servlet.handler.AbstractUrlHandlerMapping registerHandler
INFO: Mapped URL path [/resources/**] onto handler 'org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0'
avr. 22, 2013 4:39:18 PM org.springframework.web.servlet.handler.AbstractHandlerMethodMapping registerHandlerMethod
INFO: Mapped "{[/],methods=[GET],params=[],headers=[],consumes=[],produces=[],custom=[]}" onto public java.lang.String com.last.controllers.MainController.showHomePage(java.util.Map<java.lang.String, java.lang.Object>)
avr. 22, 2013 4:39:18 PM org.springframework.orm.hibernate4.HibernateTransactionManager afterPropertiesSet
INFO: Using DataSource [org.apache.commons.dbcp.BasicDataSource@1583f012] of Hibernate SessionFactory for HibernateTransactionManager
avr. 22, 2013 4:39:19 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: FrameworkServlet 'last': initialization completed in 503 ms
avr. 22, 2013 4:39:19 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
avr. 22, 2013 4:39:19 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
avr. 22, 2013 4:39:19 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 7587 ms

谢谢!

最佳答案

可能是复制粘贴，但是您的 hibernate session 工厂 bean 正在扫描 com.test 以查找 hibernate 实体而不是 com.last。

关于mysql - Spring MVC + Hibernate 没有对数据库做任何事情，没有抛出异常，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/16149939/

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