组织。冬眠MappingException：未知实体：xyz。豆测验

Question

我在Hibernate中使用注释。我得到这个错误：

组织。冬眠MappingException：未知实体：xyz。豆在组织进行测试。冬眠实施。SessionFactoryImpl。位于org的getEntityPersister（SessionFactoryImpl.java:550）。冬眠事件def。DefaultLoadEventListener。org上的onLoad（DefaultLoadEventListener.java:68）。冬眠实施。SessionImpl。fireLoad（SessionImpl.java:878）位于org。冬眠实施。SessionImpl。在组织加载（SessionImpl.java:795）。冬眠实施。SessionImpl。在sushila加载（SessionImpl.java:788）。Servlet。测试。sushila的processRequest（testS.java:41）。Servlet。测试。javax上的doGet（testS.java:60）。servlet。http。HttpServlet。javax上的服务（HttpServlet.java:734）。servlet。http。HttpServlet。位于org的服务（HttpServlet.java:847）。阿帕奇。卡特琳娜。果心标准包装器。org上的服务（StandardWrapper.java:1539）。阿帕奇。卡特琳娜。果心标准包装阀。在org上调用（StandardWrapperValve.java:281）。阿帕奇。卡特琳娜。果心标准上下文阀。在组织中调用（StandardContextValve.java:175）。阿帕奇。卡特琳娜。果心标准管道。doInvoke（StandardPipeline.java:655）位于org。阿帕奇。卡特琳娜。果心标准管道。在com上调用（StandardPipeline.java:595）。太阳企业网状物WebPipeline。在com上调用（WebPipeline.java:98）。太阳企业网状物PESEssionLockings标准管道。在组织中调用（PESessionLockingStandardPipeline.java:91）。阿帕奇。卡特琳娜。果心标准主阀。在组织中调用（StandardHostValve.java:162）。阿帕奇。卡特琳娜。连接器。郊狼适应者。doService（CoyoteAdapter.java:330）位于org。阿帕奇。卡特琳娜。连接器。郊狼适应者。com上的服务（CoyoteAdapter.java:231）。太阳企业v3.服务。实施。集装箱包装机。com上的服务（ContainerMapper.java:174）。太阳灰熊http。处理器任务。com上的invokeAdapter（ProcessorTask.java:828）。太阳灰熊http。处理器任务。com上的doProcess（ProcessorTask.java:725）。太阳灰熊http。处理器任务。com上的进程（ProcessorTask.java:1019）。太阳灰熊http。DefaultProtocolFilter。在com上执行（DefaultProtocolFilter.java:225）。太阳灰熊默认协议链。com上的executeProtocolFilter（DefaultProtocolChain.java:137）。太阳灰熊默认协议链。在com上执行（DefaultProtocolChain.java:104）。太阳灰熊默认协议链。在com上执行（DefaultProtocolChain.java:90）。太阳灰熊http。HttpProtocolChain。在com上执行（HttpProtocolChain.java:79）。太阳灰熊ProtocolChainContextTask。com上的doCall（ProtocolChainContextTask.java:54）。太阳灰熊SelectionKeyContextTask。在com上调用（SelectionKeyContextTask.java:59）。太阳灰熊上下文任务。在com上运行（ContextTask.java:71）。太阳灰熊util。AbstractThreadPool$Worker。com上的doWork（AbstractThreadPool.java:532）。太阳灰熊util。AbstractThreadPool$Worker。在java上运行（AbstractThreadPool.java:513）。lang.Thread。运行（Thread.java:722）

我的代码如下：

test.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package xyz.bean;

import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Id;
import org.hibernate.annotations.Entity;
import javax.persistence.Table;

/**
 *
 * @author Dell10
 */
@Entity
@Table( name = "hrms_people")
public class test implements Serializable{
    @Id
  @Column(name = "person_code")
    public Integer person_code;

    @Column(name="first_name")
    public String first_name;

    @Column(name="last_name")
    public String last_name;

    @Column(name="email")
    public String email;

    @Column(name="permission")
    public String permission;

    @Column(name="create_project")
    public String create_project;

    @Column(name="companyID")
    public Integer companyID;

    @Column(name="person_pwd")
    public String person_pwd;


    public Integer getCompanyID() {
        return companyID;
    }

    public void setCompanyID(Integer companyID) {
        this.companyID = companyID;
    }

    public String getCreate_project() {
        return create_project;
    }

    public void setCreate_project(String create_project) {
        this.create_project = create_project;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getFirst_name() {
        return first_name;
    }

    public void setFirst_name(String frist_name) {
        this.first_name = frist_name;
    }

    public String getLast_name() {
        return last_name;
    }

    public void setLast_name(String last_name) {
        this.last_name = last_name;
    }

    public String getPermission() {
        return permission;
    }

    public void setPermission(String permission) {
        this.permission = permission;
    }

    public Integer getPerson_code() {
        return person_code;
    }

    public void setPerson_code(Integer person_code) {
        this.person_code = person_code;
    }

    public String getPerson_pwd() {
        return person_pwd;
    }

    public void setPerson_pwd(String person_pwd) {
        this.person_pwd = person_pwd;
    }
}

java测试

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package xyz.Servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;
import xyz.bean.test;

/**
 *
 * @author Dell10
 */
public class testS extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
           //Session ses= new Configuration().configure().buildSessionFactory().openSession();
            Configuration configuration= new AnnotationConfiguration().addAnnotatedClass(test.class).configure();
            Session ses= configuration.buildSessionFactory().openSession();
           test t=new test();

           t=(test)ses.load(test.class, 1);

           out.println("Success " + t.getFirst_name());
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}

请帮忙。提前感谢。。。。。。。。。。

Answer 1

它失败是因为错误的@Entity注释。

应删除以下导入：

import org.hibernate.annotations.Entity;

将使用此选项：

import javax.persistence.Entity;