休眠错误：；java.sql.SQLException:拒绝用户访问'；根'@'；本地主机'；（使用密码：是）

我是初学者。当我在eclipse中使用hibernate时，它显示：

错误：拒绝用户“root”@“localhost”的访问（使用密码： 是）org.hibernate.exception.genericjdbception:无法打开 联系

我是一个初学者。请帮助我，我不知道怎么了，我无法通过互联网或堆栈溢出找到适合我的项目的合适答案

截图：

这是我的密码：

hibernate.properties：

 hibernate.connection.driver_class = com.mysql.jdbc.Driver

    hibernate.connection.url = jdbc:mysql://127.0.0.1:3306/db_test

    hibernate.connection.username = root            

    hibernate.connection.password = root

    hibernate.show_sql=true

    hibernate.dialect = org.hibernate.dialect.MySQLDialect

hibernate.cfg.xml：

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

<hibernate-configuration>
    <session-factory>

        <!-- 映射文件  -->
        <mapping resource="product/Product.hbm.xml"/>
    </session-factory>
</hibernate-configuration>

Product.hbm.xml：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>

    <class name="product.Product" table="product">
        <id name="id" column="id" type="int">
            <generator class="native"/>
        </id>

        <property name="name" type="string" length="16">
            <column name="name"/>
        </property>

        <property name="price" type="double">
            <column name="price"/>
        </property>

        <property name="factory" type="string" length="25">
            <column name="factory"/>
        </property>

        <property name="remark" type="string" length="60">
            <column name="remark"/>
        </property>
    </class>

</hibernate-mapping>

HibernateUtil.java：

package com.wgh.hibernate;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistryBuilder;



public class HibernateUtil {
    private static final ThreadLocal<Session> threadLocal = new ThreadLocal <Session>(); 
private static SessionFactory sessionFactory = null;        //SessionFactory对象
//静态块
static {
        try {
            Configuration cfg = new Configuration().configure();        //加载Hibernate配置文件
            sessionFactory = cfg.buildSessionFactory(new ServiceRegistryBuilder().buildServiceRegistry());
        } catch (Exception e) {
            System.err.println("创建会话工厂失败");
            e.printStackTrace();
        }
    }
    /**
     * 获取Session
     *  @return Session
     *  @throws HibernateException
     */
    public static Session getSession() throws HibernateException {
        Session session = (Session) threadLocal.get();
        if (session == null || !session.isOpen()) {
            if (sessionFactory == null) {
                rebuildSessionFactory();
            }
            session = (sessionFactory != null) ? sessionFactory.openSession(): null;
            threadLocal.set(session);
        }
        return session;
    }
    /**
     * 重建会话工厂
     */
    public static void rebuildSessionFactory() {
        try {
            Configuration cfg = new Configuration().configure();        //加载Hibernate配置文件
            sessionFactory = cfg.buildSessionFactory(new ServiceRegistryBuilder().buildServiceRegistry());
        } catch (Exception e) {
            System.err.println("创建会话工厂失败");
            e.printStackTrace();
        }
    }
    /**
     * 获取SessionFactory对象
     * @return SessionFactory对象
     */
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
    /** 
     * 关闭Session
     *  @throws HibernateException
     */
    public static void closeSession() throws HibernateException {
        Session session = (Session) threadLocal.get();
        threadLocal.set(null);
        if (session != null) {
            session.close();                            //关闭Session
        }
    }
}

package com.wgh.hibernate；
导入org.hibernate.hibernateeexception；
导入org.hibernate.Session；
导入org.hibernate.SessionFactory；
导入org.hibernate.cfg.Configuration；
导入org.hibernate.service.ServiceRegistryBuilder；
公共类HibernateUtil{
私有静态final-ThreadLocal-ThreadLocal=new-ThreadLocal（）；
私有静态SessionFactory SessionFactory=null；//SessionFactory对象
//静态块
静止的{
试一试{
配置cfg=新配置（）.configure（）//加载冬眠配置文件
sessionFactory=cfg.buildSessionFactory（新的ServiceRegistryBuilder（）.buildServiceRegistry（））；
}捕获（例外e）{
System.err.println（“创建会话工厂失败");
e、 printStackTrace（）；
}
}
/**
* 获取一场
*@返回会话
*@hibernateeexception
*/
公共静态会话getSession（）引发HibernateeException{
Session Session=（Session）threadLocal.get（）；
if（session==null | |！session.isOpen（））{
if（sessionFactory==null）{
重建会话工厂（）；
}
session=（sessionFactory！=null）？sessionFactory.openSession（）：null；
threadLocal.set（会话）；
}
返回会议；
}
/**
* 重建会话工厂
*/
公共静态无效重建会话工厂（）{
试一试{
配置cfg=新配置（）.configure（）//加载冬眠配置文件
sessionFactory=cfg.buildSessionFactory（新的ServiceRegistryBuilder（）.buildServiceRegistry（））；
}捕获（例外e）{
System.err.println（“创建会话工厂失败");
e、 printStackTrace（）；
}
}
/**
* 获取会话工厂对象
*@return SessionFactory对象
*/
公共静态SessionFactory getSessionFactory（）{
返回工厂；
}
/** 
* 关闭一场
*@hibernateeexception
*/
public static void closeSession（）引发HibernateeException{
Session Session=（Session）threadLocal.get（）；
threadLocal.set（null）；
if（会话！=null）{
session.close（）//关闭一场
}
}
}

servlet:QueryEmployee.java:

package servlet;

import java.io.IOException;
import product.*;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;

import com.wgh.hibernate.HibernateUtil;

/**
 * Servlet implementation class QueryEmployee
 */
@WebServlet("/QueryEmployee")
public class QueryEmployee extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public QueryEmployee() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doPost(request,response);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    @SuppressWarnings({ "unchecked" })
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub

        request.setCharacterEncoding("UTF-8");
        List<Product> product_list = new ArrayList<Product>();//实例化List信息集合
        Session session = null;// 实例化session对象

        try {
            session = HibernateUtil.getSession();// 获得session对象
            String hql = "from Product";// 查询HQL语句
            Query q = session.createQuery(hql);// 执行查询操作
            product_list = q.list();//将返回的对象转化为List集合
        } catch (HibernateException e) {
            e.printStackTrace();
        } finally {
            HibernateUtil.closeSession();// 关闭session
        }

        request.setAttribute("product_list", product_list);
        RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/index.jsp");
        rd.forward(request, response);


    }

}

包servlet；
导入java.io.IOException；
进口产品*；
导入java.util.ArrayList；
导入java.util.List；
导入javax.servlet.RequestDispatcher；
导入javax.servlet.ServletException；
导入javax.servlet.annotation.WebServlet；
导入javax.servlet.http.HttpServlet；
导入javax.servlet.http.HttpServletRequest；
导入javax.servlet.http.HttpServletResponse；
导入org.hibernate.hibernateeexception；
导入org.hibernate.Query；
导入org.hibernate.Session；
导入com.wgh.hibernate.HibernateUtil；
/**
*Servlet实现类QueryEmployee
*/
@WebServlet（“/QueryEmployee”）
公共类QueryEmployee扩展了HttpServlet{
私有静态最终长serialVersionUID=1L；
/**
*@参见HttpServlet#HttpServlet（）
*/
公共查询员工（）{
超级（）；
//TODO自动生成的构造函数存根
}
/**
*@参见HttpServlet#doGet（HttpServletRequest请求，HttpServletResponse响应）
*/
受保护的void doGet（HttpServletRequest请求，HttpServletResponse响应）抛出ServletException，IOException{
//TODO自动生成的方法存根
doPost（请求、响应）；
}
/**
*@请参阅HttpServlet#doPost（HttpServletRequest请求，HttpServletResponse响应）
*/
@SuppressWarnings（{“unchecked”}）
受保护的void doPost（HttpServletRequest请求、HttpServletResponse响应）引发ServletException、IOException{
//TODO自动生成的方法存根
setCharacterEncoding（“UTF-8”）；
List product_List=新的ArrayList（）//实例化列表信息集合
会话=null；//实例化一场对象
试一试{
session=HibernateUtil.getSession（）；//获得一场对象
字符串hql=“来自产品”//查询HQL语句
Query q=session.createQuery（hql）；//执行查询操作
产品列表=q.列表（）//将返回的对象转化为列表集合
}捕获（休眠异常e）{
e、 printStackTrace（）；
}最后{
HibernateUtil.closeSession（）；//关闭一场
}
setAttribute（“产品列表”，产品列表）；
RequestDispatcher rd=this.getServletContext（）.getRequestDispatcher（“/index.jsp”）；
转发（请求、响应）；
}
}

index.jsp：

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>

<style type="text/css">
table {
    border-left:5px solid #ffffff;
    border-collapse: collapse;
}
td {
    font: normal 12px/ 17px Arial;
    padding: 2px;
}
th {
    font: bold 12px/ 17px Arial;
    padding: 4px;
    border-bottom: 1px solid #333;
}
body {
    font-size: 14px;
}
#main{
    width:500px;
    border:solid 1px #000000;
}
</style>
  </head>

  <body>
<div id="main">
<table>
    <tr>
        <th width="30px">编号</th>
        <th width="30px">书名</th>
        <th width="30px" align="center">价格</th>
        <th width="80px">生产商</th>
        <th width="135px">备注</th>
    </tr>
    <c:forEach items="${product_list}" var="list">
        <tr>
            <td align="center">${list.id}</td>
            <td>${list.name}</td>
            <td>${list.price}</td>
            <td>${list.factory}</td>
            <td>${list.remark}</td>

        </tr>
    </c:forEach>
</table>

<form action="QueryEmployee" method="post">
    <input type="submit" value="查看" >
</form>

</div>
</body>
</html>

在此处插入标题
桌子{
左边框：5px实心#ffffff；
边界塌陷：塌陷；
}
运输署{
字体：普通12px/17px Arial；
填充：2px；
}
th{
字体：粗体12px/17px Arial；
填充：4px；
边框底部：1px实心#333；
}
身体{
字体大小：14px；
}
#主要{
宽度：500px；
边框：实心1px#000000；
}
编号
书名
价格
生产商
备注
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>

<style type="text/css">
table {
    border-left:5px solid #ffffff;
    border-collapse: collapse;
}
td {
    font: normal 12px/ 17px Arial;
    padding: 2px;
}
th {
    font: bold 12px/ 17px Arial;
    padding: 4px;
    border-bottom: 1px solid #333;
}
body {
    font-size: 14px;
}
#main{
    width:500px;
    border:solid 1px #000000;
}
</style>
  </head>

  <body>
<div id="main">
<table>
    <tr>
        <th width="30px">编号</th>
        <th width="30px">书名</th>
        <th width="30px" align="center">价格</th>
        <th width="80px">生产商</th>
        <th width="135px">备注</th>
    </tr>
    <c:forEach items="${product_list}" var="list">
        <tr>
            <td align="center">${list.id}</td>
            <td>${list.name}</td>
            <td>${list.price}</td>
            <td>${list.factory}</td>
            <td>${list.remark}</td>

        </tr>
    </c:forEach>
</table>

<form action="QueryEmployee" method="post">
    <input type="submit" value="查看" >
</form>

</div>
</body>
</html>

org.hibernate.exception.GenericJDBCException: Could not open connection
    at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:304)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:169)
    at org.hibernate.engine.jdbc.internal.proxy.ConnectionProxyHandler.extractPhysicalConnection(ConnectionProxyHandler.java:82)
    at org.hibernate.engine.jdbc.internal.proxy.ConnectionProxyHandler.continueInvocation(ConnectionProxyHandler.java:138)
    at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
    at com.sun.proxy.$Proxy8.prepareStatement(Unknown Source)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:147)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:166)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:145)
    at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1711)
    at org.hibernate.loader.Loader.doQuery(Loader.java:828)
    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:289)
    at org.hibernate.loader.Loader.doList(Loader.java:2438)
    at org.hibernate.loader.Loader.doList(Loader.java:2424)
    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2254)
    at org.hibernate.loader.Loader.list(Loader.java:2249)
    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:470)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:355)
    at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:195)
    at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1248)
    at org.hibernate.internal.QueryImpl.list(QueryImpl.java:101)
    at servlet.QueryEmployee.doPost(QueryEmployee.java:59)
    at servlet.QueryEmployee.doGet(QueryEmployee.java:41)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1457)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.sql.SQLException: Access denied for user 'root          '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:951)
    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1717)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1276)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2395)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:193)
    at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:281)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:297)
    ... 46 more
九月 16, 2017 9:24:26 上午 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
WARN: SQL Error: 1045, SQLState: 28000
九月 16, 2017 9:24:26 上午 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
ERROR: Access denied for user 'root         '@'localhost' (using password: YES)
org.hibernate.exception.GenericJDBCException: Could not open connection
    at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:304)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:169)
    at org.hibernate.engine.jdbc.internal.proxy.ConnectionProxyHandler.extractPhysicalConnection(ConnectionProxyHandler.java:82)
    at org.hibernate.engine.jdbc.internal.proxy.ConnectionProxyHandler.continueInvocation(ConnectionProxyHandler.java:138)
    at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
    at com.sun.proxy.$Proxy8.prepareStatement(Unknown Source)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:147)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:166)
    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:145)
    at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1711)
    at org.hibernate.loader.Loader.doQuery(Loader.java:828)
    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:289)
    at org.hibernate.loader.Loader.doList(Loader.java:2438)
    at org.hibernate.loader.Loader.doList(Loader.java:2424)
    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2254)
    at org.hibernate.loader.Loader.list(Loader.java:2249)
    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:470)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:355)
    at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:195)
    at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1248)
    at org.hibernate.internal.QueryImpl.list(QueryImpl.java:101)
    at servlet.QueryEmployee.doPost(QueryEmployee.java:59)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1457)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.sql.SQLException: Access denied for user 'root          '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:951)
    at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1717)
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1276)
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2395)
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)
    at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:797)
    at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)
    at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:193)
    at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:281)
    at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:297)
    ... 45 more
九月 16, 2017 9:27:26 上午 org.apache.catalina.core.StandardContext reload
信息: Reloading Context with name [/my_hibernate] has started
九月 16, 2017 9:27:26 上午 org.apache.catalina.loader.WebappClassLoaderBase clearReferencesJdbc
警告: The web application [my_hibernate] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
九月 16, 2017 9:27:27 上午 org.apache.jasper.servlet.TldScanner scanJars
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
九月 16, 2017 9:27:27 上午 org.apache.catalina.core.StandardContext reload
信息: Reloading Context with name [/my_hibernate] is completed