【发布时间】：2021-09-11 22:46:41
【问题描述】：
** 2021 年 6 月 29 日晚上 9:45:18 org.hibernate.Version logVersion INFO：HHH000412：Hibernate Core {5.2.8.Final} 2021 年 6 月 29 日晚上 9:45:19 org.hibernate.cfg.Environment 信息：HHH000206：未找到 hibernate.properties 2021 年 6 月 29 日晚上 9:45:19 org.hibernate.annotations.common.reflection.java.JavaReflectionManager 信息：HCANN000001：Hibernate Commons Annotations {5.0.1.Final} 6 月 29 日星期二 21:45:19 PKT 2021 WARN：不建议在没有服务器身份验证的情况下建立 SSL 连接。根据 MySQL 5.5.45+、5.6.26+ 和 5.7.6+ 的要求，如果未设置显式选项，则默认情况下必须建立 SSL 连接。为了符合不使用 SSL 的现有应用程序，verifyServerCertificate 属性设置为“false”。您需要通过设置 useSSL=false 来显式禁用 SSL，或者设置 useSSL=true 并为服务器证书验证提供信任库。 2021 年 6 月 29 日晚上 9:45:19 org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator InitialService WARN：HHH000342：无法获得与查询元数据的连接：通信链路故障
从服务器成功接收到的最后一个数据包是 286 毫秒前。最后一个成功发送到服务器的数据包是 272 毫秒前。 2021 年 6 月 29 日晚上 9:45:19 org.hibernate.dialect.Dialect 信息：HHH000400：使用方言：org.hibernate.dialect.MySQLDialect 2021 年 6 月 29 日晚上 9:45:19 org.hibernate.engine.jdbc.env .internal.LobCreatorBuilderImpl makeLobCreatorBuilder 信息：HHH000422：禁用上下文 LOB 创建，因为连接为空 2021 年 6 月 29 日晚上 9:45:20 org.springframework.context.support.AbstractApplicationContext 刷新警告：上下文初始化期间遇到异常 - 取消刷新尝试：org .springframework.beans.factory.BeanCreationException：创建类路径资源[config.xml]中定义的名称为“factory”的bean时出错：调用init方法失败；嵌套异常是 org.hibernate.MappingException：无法在线程“main”中获取 org.hibernate.persister.entity.SingleTableEntityPersister 异常的构造函数 org.springframework.beans.factory.BeanCreationException：创建类中定义的名称为“factory”的 bean 时出错路径资源 [config.xml]：init 方法调用失败；嵌套异常是 org.hibernate.MappingException: 无法在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1794) 在 org.springframework.beans 获取 org.hibernate.persister.entity.SingleTableEntityPersister 的构造函数.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) 在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) 在 org.springframework.beans.factory.support.AbstractBeanFactory.lambda $doGetBean$0(AbstractBeanFactory.java:324) 在 org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:第322章）在org.springframework.beans.factory.support.AbstractBeanFactory.getBean（抽象BeanFactory.java:202) 在 org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:878) 在 org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879) 在 org.springframework .context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551) 在 org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:144) 在 org.springframework.context.support.ClassPathXmlApplicationContext.(ClassPathXmlApplicationContext.java:85) ) 在 com.springDb.App.main(App.java:17) 引起：org.hibernate.MappingException：无法在 org.hibernate.persister.internal.PersisterFactoryImpl 获取 org.hibernate.persister.entity.SingleTableEntityPersister 的构造函数。 createEntityPersister(PersisterFactoryImpl.java:123) 在 org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(Pe rsisterFactoryImpl.java:77) 在 org.hibernate.metamodel.internal.MetamodelImpl.initialize(MetamodelImpl.java:128) 在 org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:297) 在 org.hibernate.boot.internal。 org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:710) 的 SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:445) org.springframework.orm 的 org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:726) .hibernate5.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:616) at org.springframework.orm.hibernate5.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:600) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java :1853) 在 org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1790) ... 12 更多由：org.hibernate.HibernateException：无法在 org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:91) 在 org.hibernate.tuple 实例化默认元组 [org.hibernate.tuple.entity.PojoEntityTuplizer] .entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:116) 在 org.hibernate.tuple.entity.EntityMetamodel.(EntityMetamodel.java:385) 在 org.hibernate.persister.entity.AbstractEntityPersister.(AbstractEntityPersister.java:519) 在org.hibernate.persister.entity.SingleTableEntityPersister.(SingleTableEntityPersister.java:124) 在 java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 在 java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance( NativeConstructorAccessorImpl.java:78) 在 java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 在 java.base/java.lang.reflect.Constructor.ne wInstanceWithCaller(Constructor.java:499) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:96) .. . 22 更多原因：java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java: 78) 在 java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 在 java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) 在 java.base/java .lang.reflect.Constructor.newInstance(Constructor.java:480) at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:88) ... 32 更多原因：java.lang.reflect.InaccessibleObjectException：无法保护ected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) 抛出 java.lang.ClassFormatError 可访问：模块 java.base 没有“在 java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java: 297) 在 java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199) 在 java.base/java.lang.reflect.Method.setAccessible(Method.java:193) 在 javassist.util.proxy .SecurityActions.setAccessible(SecurityActions.java:103) 在 javassist.util.proxy.FactoryHelper.toClass2(FactoryHelper.java:181) 在 javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:164) 在 javassist.util。 javassist.util.proxy.ProxyFactory.createClass2(ProxyFactory.java:492) 在 javassist.util.pro 的 proxy.ProxyFactory.createClass3(ProxyFactory.java:507) xy.ProxyFactory.createClass1(ProxyFactory.java:428) at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:400) at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:72)在 org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:162) 在 org.hibernate.tuple.entity.AbstractEntityTuplizer.(AbstractEntityTuplizer.java:163) 在 org.hibernate.tuple.entity.PojoEntityTuplizer.(PojoEntityTuplizer .java:58) ... 38 更多 **
这是我的 config.xml 文件
<?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"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx"
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
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<tx:annotation-driven />
<bean
class="org.springframework.jdbc.datasource.DriverManagerDataSource"
name="ds">
<property name="driverClassName"
value="com.mysql.jdbc.Driver" />
<property name="url"
value="jdbc:mysql://localhost:3306/springjdbc" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
<bean
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"
name="factory">
<property name="dataSource" ref="ds" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
<property name="annotatedClasses">
<list>
<value>com.springDb.entities.Student</value>
</list>
</property>
</bean>
<bean class="org.springframework.orm.hibernate5.HibernateTemplate"
name="hibernateTemplat">
<property name="sessionFactory" ref="factory"></property>
</bean>
<bean class="com.springDb.Dao.StudentDao" name="studentDao">
<property name="hibernateTemplate" ref="hibernateTemplat"></property>
</bean>
<bean
class="org.springframework.orm.hibernate5.HibernateTransactionManager"
name="transactionManager">
<property name="sessionFactory" ref="factory"></property>
</bean>
</beans>
StudentDao 课堂
package com.springDb.Dao;
import org.springframework.orm.hibernate5.HibernateTemplate;
import org.springframework.transaction.annotation.Transactional;
import com.springDb.entities.Student;
public class StudentDao {
private HibernateTemplate hibernateTemplate;
@Transactional
public int insert(Student student) {
Integer r=(Integer)hibernateTemplate.save(student);
return r;
}
public HibernateTemplate getHibernateTemplate() {
return hibernateTemplate;
}
public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
this.hibernateTemplate = hibernateTemplate;
}
public StudentDao(HibernateTemplate hibernateTemplate) {
super();
this.hibernateTemplate = hibernateTemplate;
}
public StudentDao() {
}}
学生班
package com.springDb.entities;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "Student_Info")
public class Student {
@Id
@Column(name = "Student_Id")
private int studentId;
@Column(name = "Student_Name")
private String studentName;
@Column(name = "Student_City")
private String studentCity;
public Student(int studentId, String studentName, String studentCity) {
super();
this.studentId = studentId;
this.studentName = studentName;
this.studentCity = studentCity;
}
public Student() {
}
public int getStudentId() {
return studentId;
}
public void setStudentId(int studentId) {
this.studentId = studentId;
}
public String getStudentName() {
return studentName;
}
public void setStudentName(String studentName) {
this.studentName = studentName;
}
public String getStudentCity() {
return studentCity;
}
public void setStudentCity(String studentCity) {
this.studentCity = studentCity;
}
}
App.java 类
package com.springDb;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.springDb.Dao.StudentDao;
import com.springDb.entities.Student;
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args )
{
ApplicationContext context= new ClassPathXmlApplicationContext("config.xml");
StudentDao studentDao = context.getBean("studentDao",StudentDao.class);
Student student=new Student(1233,"Hery","Turky");
int r = studentDao.insert(student);
System.out.println("Done"+r);
}
}
【问题讨论】：