struts2+hibernate开发

Question

报错如下：
%%% Error Creating SessionFactory %%%%
org.hibernate.InvalidMappingException: Could not parse mapping document from resource com/test/vo/Student.hbm.xml
at org.hibernate.cfg.Configuration.addResource(Configuration.java:616)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1635)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1603)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1582)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1556)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1476)
at com.test.hiberante.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:36)
at com.test.hiberante.HibernateSessionFactory.getSession(HibernateSessionFactory.java:24)
at com.test.dao.StudentDAOImp.update(StudentDAOImp.java:76)
at com.test.action.StudentAction.update(StudentAction.java:70)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:837)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:555)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:613)
... 73 more
Caused by: org.dom4j.DocumentException: FWK005 parse may not be called while parsing. Nested exception: FWK005 parse may not be called while parsing.
at org.dom4j.io.SAXReader.read(SAXReader.java:484)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:546)
... 74 more

Answer 1

... 74 more
java.lang.NullPointerException
at com.test.dao.StudentDAOImp.update(StudentDAOImp.java:77)
at com.test.action.StudentAction.update(StudentAction.java:70)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:837)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:640)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Thread.java:595)
%%%% Error Creating SessionFactory %%%%

Answer 2

StudentAction代码：
package com.test.action;import java.util.List;import javax.servlet.http.HttpServletRequest;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionSupport;
import com.test.dao.StudentDAO;
import com.test.dao.StudentDAOImp;
import com.test.vo.Student;public class StudentAction extends ActionSupport {
private Student student;private List<Student> list;
StudentDAO studentDAO=new StudentDAOImp();public List<Student> getList() {
   return list;
}public void setList(List<Student> list) {
   this.list = list;
}
  public Student getStudent() {
   return student;
}public void setStudent(Student student) {
   this.student = student;
}public String save() throws Exception{
   studentDAO.save(student);
   System.out.println("插入成功 ");
   return SUCCESS;
}@SuppressWarnings("unchecked")
public String list() throws Exception{
   try{
    System.out.println("查询 ");
   list = studentDAO.findAll();
   System.out.println("插入成功 ");
   return SUCCESS;
   }catch(Exception e){
    e.printStackTrace();
    return ERROR;
   }
}public String edit() {
   try{
    HttpServletRequest request = ServletActionContext.getRequest(); 
    int sno=Integer.parseInt(request.getParameter("sno"));
    student = studentDAO.findById(sno);
    return SUCCESS;
   }catch(Exception e){
    e.printStackTrace();
    return ERROR;
   }
}public String update() {
   try{
    studentDAO.update(student);
    return SUCCESS;
   }catch(Exception e){
    e.printStackTrace();
    return ERROR;
   }
}public String delete() {
   try{
    HttpServletRequest request = ServletActionContext.getRequest();
    int sno = Integer.parseInt(request.getParameter("sno"));
    studentDAO.delete(sno);
    return SUCCESS;
   }catch(Exception e){
    e.printStackTrace();
    return ERROR;
   }
} 
}StudentDAO代码：
package com.test.dao;import java.util.List;import com.test.vo.Student;public interface StudentDAO {
public void save(Student student);public void update(Student student);public void delete (int sno);public Student findById(int sno);public List findAll();
}studentDAOImp代码：
package com.test.dao;import java.util.ArrayList;
import java.util.List;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;import com.test.hiberante.HibernateSessionFactory;
import com.test.vo.Student;public class StudentDAOImp implements StudentDAO {public void delete(int sno) {
   Session session = HibernateSessionFactory.getSession();
   Transaction transaction = session.beginTransaction();
   try{
    Student student = (Student)session.load(Student.class, sno);
    session.delete(student);
    transaction.commit();
   }catch(Exception e){
    e.printStackTrace();
   }
}@SuppressWarnings("unchecked")
public List<Student> findAll() {
   Session session = HibernateSessionFactory.getSession();
   Transaction transaction = session.beginTransaction();
   List<Student> list = new ArrayList<Student>();
   try{
    String hql = "from Student";
    Query query=session.createQuery(hql);
    list=query.list();
    transaction.commit();
   }catch(Exception e){
    e.printStackTrace();
   }finally{
    session.close();
   }
   return list;
}public Student findById(int sno) {
   Session session = HibernateSessionFactory.getSession();
   Transaction transaction = session.beginTransaction();
   try{
    Student student = (Student)session.createQuery("from Student s where s.sno='"+sno+"'").uniqueResult();
    //Student student=(Student) session.get(Student.class, sno);
    transaction.commit();
    return student;
   }catch(Exception e){
    e.printStackTrace();
    transaction.rollback();
   }finally{
    session.close();
   }
   return null;
}public void save(Student student) {
   Session session = HibernateSessionFactory.getSession();
   Transaction transaction = session.beginTransaction();
   try{
    session.save(student);
    transaction.commit();
   }catch(Exception e){
    e.printStackTrace();
   }finally{
    session.close();
   }
}public void update(Student student) {
   Session session = HibernateSessionFactory.getSession();
   Transaction transaction = session.beginTransaction();
   try{
    session.saveOrUpdate(student);
    transaction.commit();
   }catch(Exception e){
    e.printStackTrace();
   }finally{
    session.close();
   }}}

Answer 3

Struts。xml代码：
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="struts2Hiberante" extends="struts-default" >
   <action name="Save" class="com.test.action.StudentAction" method="save">
    <result name="success" type="redirect">/List.action</result>
    <result name="error">/errors.jsp</result>
   </action>
  
   <action name="List" class="com.test.action.StudentAction" method="list">
    <result name="success">/show.jsp</result>
    <result name="error">/errors.jsp</result>
   </action>
  
   <action name="Edit" class="com.test.action.StudentAction" method="edit">
    <result name="success">/insert.jsp</result>
    <result name="error">/errors.jsp</result>
   </action>
  
   <action name="Update" class="com.test.action.StudentAction" method="update">
    <result name="success" type="redirect">/List.action</result>
    <result name="error">/errors.jsp</result>
   </action>
  
   <action name="Delete" class="com.test.action.StudentAction" method="delete">
    <result name="success" type="redirect">/List.action</result>
    <result name="error">/errors.jsp</result>
   </action>
</package>
</struts>
web。xml代码：<?xml version="1.0" encoding="UTF-8"?><web-app version="2.3" 
xmlns="http://java.sun.com/xml/ns/j2ee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
http://java.sun.com/xml/ns/j2ee/web-app_2_3.xsd"><display-name>struts2Hiberante</display-name>
<filter>
   <filter-name>struts2Hibernate</filter-name>
   <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter><filter-mapping>
   <filter-name>struts2Hibernate</filter-name>
   <url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
 Student.hbm.xml代码：
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="com.test.vo.Student" table="student">
        <id name="sno" type="java.lang.Integer">
            <column name="sno" />
            <generator class="assigned" />
        </id>
        <property name="sname" type="java.lang.String">
            <column name="sname" length="20" />
        </property>
        <property name="ssex" type="java.lang.String">
            <column name="ssex" length="20" />
        </property>
        <property name="ssubject" type="java.lang.String">
            <column name="ssubject" length="50" />
        </property>
        <property name="sclass" type="java.lang.String">
            <column name="sclass" length="100" />
        </property>
         <property name="sid" type="java.lang.String">
            <column name="sid" length="100" />
        </property>
         <property name="saddress" type="java.lang.String">
            <column name="saddress" length="100" />
        </property>
         <property name="email" type="java.lang.String">
            <column name="email" length="100" />
        </property>
         <property name="phone" type="java.lang.String">
            <column name="phone" length="100" />
        </property>
    </class>
</hibernate-mapping>麻烦大家帮我看下我报错的原因，新手上路有些问题还不知所措。

Answer 4

Could not parse mapping document from resource com/test/vo/Student.hbm.xml
应该是映射文件有问题

Answer 5

SessionFactory的创建session的方法请加上synchroniezd关键字