IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

该问题已被官方收录

关于在servlet中创建了cookie，但在jsp中无法读取到该cookie的

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

//servlet中的代码
Cookie c=new Cookie(“userlogin”, ul.toString());
c.setMaxAge(60);
c.setPath(“/”);//此处添加了一句
response.addCookie(c);
response.sendRedirect(“../shopPage.jsp”);//此处改为重定向方式跳转至shopPage.jsp页面

//jsp中的代码
if(cookies!=null&& cookies.length>0){
for(Cookie c:cookies){
if(c.getName().equals(“userlogin”)){
userlogin=c.getValue();
String[] uLogin=userlogin.split(“,”);
username=uLogin[0];
password=uLogin[1];
}

该问题已被官方收录

springboot 测试类运行报错

1

springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

redis插入中文，缓存数据为16进制

0

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

springmvc tiles web项目使用jetty运行的时候报错

0

1

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

关于jsp页面的问题，无法找到属性

0

1

JSP

class="cursor-pointer"> 详细描述

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<div id="myCarousel" class="carousel slide">
    <ol class="carousel-indicators">
        <li class="active" data-slide-to="0" data-target="#myCarousel"></li>
        <li data-slide-to="1" data-target="#myCarousel"></li>
        <li data-slide-to="2" data-target="#myCarousel"></li>
        <li data-slide-to="3" data-target="#myCarousel"></li>
    </ol>
    <div class="carousel-inner">
        <div class="item active">
            <img alt="First slide" src="${pageContext.request.contextPath}/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Second slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Third slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Third slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <a data-slide="prev" href="#myCarousel" class="carousel-control left">
            <i class="icon-left"><img src="${pageContext.request.contextPath }/data/imges/54354.png"></i>
        </a>
        <a data-slide="next" href="#myCarousel" class="carousel-control right">
            <i class="icon-right"><img src="${pageContext.request.contextPath }/data/imges/4525424.png"></i>
        </a>
    </div>
</div>

<div class="main container">
    
    <div class="main-a row">
        <div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/45354312.png">
                    </li>
                    <li class="up-2 col-xs-12">高效</li>
                    <li class="up-3 col-xs-12">将三到七年的成长时间,缩短到一年到两年</li>
                </ul>
            </div>
        </div>

<div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/879789.png">
                    </li>
                    <li class="up-2 col-xs-12">规范</li>
                    <li class="up-3 col-xs-12">标准到实战教程,不会走弯路</li>
                </ul>
            </div>
        </div>

<div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/786453654365.png">
                    </li>
                    <li class="up-2 col-xs-12">人脉</li>
                    <li class="up-3 col-xs-12">同班好友,同院学长,技术大师,入学就混职脉圈,为以后铺平道路</li>
                </ul>
            </div>
        </div>

<div class="col-xs-12 col-sm-6 col-md-6 col-lg-3 text-center">
            <p>
                <img src="${pageContext.request.contextPath }/data/imges/453254312.png">${items1}<br>
                <span class="up-3">累计在线学习人数</span>
            </p>
            <p>
                <img src="${pageContext.request.contextPath }/data/imges/453254312.png">${items}<br>
                <span class="up-3">学员已经找到满意工作</span>
            </p>
        </div>
    </div>

<div class="main-b row">
        <h3 class="text-center main-tab">如何学习</h3>
        <ul class="list-unstyled text-center">
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">1</span>
                <p class="up-2">匹配你现在的个人情况寻找适合自己的岗位</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">2</span>
                <p class="up-2">了解职业前景薪金待遇，竞争压力等</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">3</span>
                <p class="up-2">掌握行业内顶级技能</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">4</span>
                <p class="up-2">查看职业目标任务</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">5</span>
                <p class="up-2">参考学习资料，掌握技能点，逐个完成任务</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">6</span>
                <p class="up-2">加入班级，和小伙伴们互帮互动，一块学习</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">7</span>
                <p class="up-2">选择导师，一路引导，加速自己成长</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">8</span>
                <p class="up-2">完成职业 技能，升级业界大牛</p>
                <span class="up-3 invisible"></span>
            </li>
        </ul>
    </div>

<div class="main-c row">
        <h3 class="text-center main-tab">优秀学员展示</h3>
        <ul class="list-unstyled text-center">
            <c:forEach items=" ${items2}" var="items">
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div>
                <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                <span>技术顾问:${items.name}</span>
                <p class="text-left">${items.position}：${items.introduce}</p>
            </div>
        </li>
            <%--<li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>--%>
            </c:forEach>
        </ul>
    </div>

<div class="row main-bottom">
        <h3 class="text-center">战略合作企业</h3>
        <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
            <ul class="logo">
                <li>
                    <a href=""><img src="${pageContext.request.contextPath }/data/imges/123132.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/1549865.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/785345.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/1471.png"></a>
                </li>
                <li>
                    <a href="">  <img src="${pageContext.request.contextPath }/data/imges/7861.png"></a>
                </li>
            </ul>
        </div>
    </div>
</div>

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<div id="myCarousel" class="carousel slide">
    <ol class="carousel-indicators">
        <li class="active" data-slide-to="0" data-target="#myCarousel"></li>
        <li data-slide-to="1" data-target="#myCarousel"></li>
        <li data-slide-to="2" data-target="#myCarousel"></li>
        <li data-slide-to="3" data-target="#myCarousel"></li>
    </ol>
    <div class="carousel-inner">
        <div class="item active">
            <img alt="First slide" src="${pageContext.request.contextPath}/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Second slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Third slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <div class="item">
            <img alt="Third slide" src="${pageContext.request.contextPath }/data/imges/547567.jpg">
        </div>
        <a data-slide="prev" href="#myCarousel" class="carousel-control left">
            <i class="icon-left"><img src="${pageContext.request.contextPath }/data/imges/54354.png"></i>
        </a>
        <a data-slide="next" href="#myCarousel" class="carousel-control right">
            <i class="icon-right"><img src="${pageContext.request.contextPath }/data/imges/4525424.png"></i>
        </a>
    </div>
</div>


<div class="main container">
    <!--第一部分开始-->
    <div class="main-a row">
        <div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/45354312.png">
                    </li>
                    <li class="up-2 col-xs-12">高效</li>
                    <li class="up-3 col-xs-12">将三到七年的成长时间,缩短到一年到两年</li>
                </ul>
            </div>
        </div>

        <div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/879789.png">
                    </li>
                    <li class="up-2 col-xs-12">规范</li>
                    <li class="up-3 col-xs-12">标准到实战教程,不会走弯路</li>
                </ul>
            </div>
        </div>

        <div class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div class="row text-center">
                <ul class="list-unstyled">
                    <li class="col-xs-12 up-1">
                        <img alt="" src="${pageContext.request.contextPath }/data/imges/786453654365.png">
                    </li>
                    <li class="up-2 col-xs-12">人脉</li>
                    <li class="up-3 col-xs-12">同班好友,同院学长,技术大师,入学就混职脉圈,为以后铺平道路</li>
                </ul>
            </div>
        </div>

        <div class="col-xs-12 col-sm-6 col-md-6 col-lg-3 text-center">
            <p>
                <img src="${pageContext.request.contextPath }/data/imges/453254312.png">${items1}<br>
                <span class="up-3">累计在线学习人数</span>
            </p>
            <p>
                <img src="${pageContext.request.contextPath }/data/imges/453254312.png">${items}<br>
                <span class="up-3">学员已经找到满意工作</span>
            </p>
        </div>
    </div>

    <!--第二部分开始-->
    <div class="main-b row">
        <h3 class="text-center main-tab">如何学习</h3>
        <ul class="list-unstyled text-center">
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">1</span>
                <p class="up-2">匹配你现在的个人情况寻找适合自己的岗位</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">2</span>
                <p class="up-2">了解职业前景薪金待遇，竞争压力等</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">3</span>
                <p class="up-2">掌握行业内顶级技能</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">4</span>
                <p class="up-2">查看职业目标任务</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">5</span>
                <p class="up-2">参考学习资料，掌握技能点，逐个完成任务</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">6</span>
                <p class="up-2">加入班级，和小伙伴们互帮互动，一块学习</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">7</span>
                <p class="up-2">选择导师，一路引导，加速自己成长</p>
                <span class="up-3"></span>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <span class="up-1 text-center">8</span>
                <p class="up-2">完成职业 技能，升级业界大牛</p>
                <span class="up-3 invisible"></span>
            </li>
        </ul>
    </div>

    <!--第三部分开始-->
    <div class="main-c row">
        <h3 class="text-center main-tab">优秀学员展示</h3>
        <ul class="list-unstyled text-center">
            <c:forEach items=" ${items2}" var="items">
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
            <div>
                <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                <span>技术顾问:${items.name}</span>
                <p class="text-left">${items.position}：${items.introduce}</p>
            </div>
        </li>
            <%--<li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>
            <li class="col-xs-12 col-sm-6 col-md-6 col-lg-3">
                <div>
                    <img src="${pageContext.request.contextPath }/data/imges/242424.png">
                    <span>技术顾问:罗大佑</span>
                    <p class="text-left">百度技术总监：互联网基础服务领域，从事虚拟主机，云主机，域名。
                        曾任新网高级技术经理，负责技术研发，团队管理与建设。</p>
                </div>
            </li>--%>
            </c:forEach>
        </ul>
    </div>

    <!--第四部分开始-->
    <div class="row main-bottom">
        <h3 class="text-center">战略合作企业</h3>
        <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
            <ul class="logo">
                <li>
                    <a href=""><img src="${pageContext.request.contextPath }/data/imges/123132.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/1549865.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/785345.png"></a>
                </li>
                <li>
                    <a href=""> <img src="${pageContext.request.contextPath }/data/imges/1471.png"></a>
                </li>
                <li>
                    <a href="">  <img src="${pageContext.request.contextPath }/data/imges/7861.png"></a>
                </li>
            </ul>
        </div>
    </div>
</div>

<div class="main-e">
    <h3 class="text-center main-tab ">友情链接</h3>
    <div class="container">
        <ul class="text-justify">
            <li><a href="#">手机软件</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">找工作</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">找工作</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">找工作</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">找工作</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">找工作</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">教师招聘</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">手机软件</a></li>
            <li><a href="#">找工作</a></li>
        </ul>
    </div>
</div>

该问题已被官方收录

@query的用法

0

1

Spring-data-jpa

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

时间转换

0

1

时间转换(C标签)

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

public class DateTag extends TagSupport {

private Long value;

   /**
    * 重写TagSupport的doStartTag方法，转换时间的数据类型
    */
   @Override
   public int doStartTag() throws JspException {
// 设置时间格式，通过simpleDateFormat的format方法转换时间格式
       SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
//转换时间格式
       String s = dateFormat.format(System.currentTimeMillis());
       try {
//            将转化格式的时间写入value
           pageContext.getOut().write(s);
       } catch (IOException e) {
e.printStackTrace();
       }
return super.doStartTag();
   }

/**
    * set方法,设置值
    */
   public void setValue(Long value) {
this.value = value;
   }

}

该问题已被官方收录

我导入了spring的核心包，可是Spring的配置文件还是报错。

0

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>cn.zzh</groupId>
  <artifactId>Task2MVC1</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>Task2MVC1 Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <spring.version>4.3.17.RELEASE</spring.version>
    <mybatis.spring.version>1.3.0</mybatis.spring.version>
    <log4j.version>1.2.16</log4j.version>
    <druid.version>1.1.6</druid.version>
    <aopalliance.version>1.0</aopalliance.version>
    <servlet-api.version>3.1.0</servlet-api.version>
    <jstl.version>1.2</jstl.version>
    <servlet-api.version>3.1.0</servlet-api.version>
    <commons-fileupload.version>1.2.1</commons-fileupload.version>
    <commons-io.version>1.3.2</commons-io.version>
    <commons-lang.version>2.6</commons-lang.version>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <dependencies>

    <!--json-taglib-->
    <dependency>
      <groupId>atg.taglib.json</groupId>
      <artifactId>json-taglib</artifactId>
      <version>0.4.1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-dbcp2</artifactId>
      <version>2.1.1</version>
    </dependency>


    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
    </dependency>

    <!--Spring核心包 -->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-oxm -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-oxm</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-tx -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjrt</artifactId>
      <version>1.8.13</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.13</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/cglib/cglib -->
    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
      <version>3.2.4</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-expression -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-expression</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest-core -->
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest-core</artifactId>
      <version>1.3</version>
      <scope>test</scope>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.github.pagehelper/pagehelper -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.1.2</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/com.github.jsqlparser/jsqlparser -->
    <dependency>
      <groupId>com.github.jsqlparser</groupId>
      <artifactId>jsqlparser</artifactId>
      <version>1.0</version>
    </dependency>

    <!--
    mybatis核心包
    -->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.4.1</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.1</version>
    </dependency>

    <!-- 其它相关依赖-->
    <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/javax/javaee-api -->
    <dependency>
      <groupId>javax</groupId>
      <artifactId>javaee-api</artifactId>
      <version>7.0</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.11</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.5.2</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.44</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/log4j/log4j -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
     <!--可能有其它包-->
     <!--https://mvnrepository.com/artifact/org.slf4j/slf4j-api-->
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>1.7.25</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 -->
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>1.7.25</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl -->
    <dependency>
      <groupId>org.codehaus.jackson</groupId>
      <artifactId>jackson-mapper-asl</artifactId>
      <version>1.9.13</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.9.5</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.9.5</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.3</version>
        <exclusions>
            <exclusion>
                <artifactId>commons-io</artifactId>
                <groupId>commons-io</groupId>
            </exclusion>
        </exclusions>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.6</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
    <dependency>
      <groupId>commons-codec</groupId>
      <artifactId>commons-codec</artifactId>
      <version>1.11</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-logging/commons-logging -->
    <dependency>
      <groupId>commons-logging</groupId>
      <artifactId>commons-logging</artifactId>
      <version>1.2</version>
    </dependency>

  </dependencies>

  <build>
    <resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>

      <resource>
        <directory>src/main/resources</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>
    </resources>

    <!--<finalName>Task2MVC1</finalName>-->
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.0.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.7.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.20.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>

                <plugin>
                    <groupId>org.eclipse.jetty</groupId>
                    <artifactId>jetty-maven-plugin</artifactId>
                    <version>9.4.9.v20180320</version>
                </plugin>

            </plugins>
        </pluginManagement>
    </build>
</project>

该问题已被官方收录

项目打包成功后上传到服务器可以正常启动，显示启动成功

0

1

分布式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

  <bean id="loginService" class="com.jnshu.service.impl.LoginServiceImpl"/>
    <bean id="loginRmi" class="com.jnshu.service.impl.LoginRmiImpl"/>
    <bean id="userService" class="com.jnshu.service.impl.UserServiceImpl"/>

    <bean id="LoginRMI" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="LoginRMI" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="loginRmi" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.LoginRMI" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
    <bean id="LoginService" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="LoginService" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="loginService" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.LoginService" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
    <bean id="UserService" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="UserService" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="userService" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.UserService" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
</beans>

<bean id="rmiClientSetting"  abstract="true">
        
        <property name="refreshEndpointsOnStartup" value="false" />
        
        <property name="refreshEndpointsOnConnectFailure" value="true" />
        
        <property name="switchEndpointOnFailure" value="true" />
        
        <property name="registerTraceInterceptor" value="true" />
        
        <property name="cacheEndpoints" value="true" />
    </bean>
    <bean id="UserService" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.UserService"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/UserService</value>
                <value>rmi://127.0.0.1:9999/UserService</value>
            </list>
        </property>

<property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
    <bean id="LoginService" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.LoginService"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/LoginService</value>
                <value>rmi://127.0.0.1:9999/LoginService</value>
            </list>
        </property>

<property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
    <bean id="LoginRMI" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.LoginRMI"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/LoginRMI</value>
                <value>rmi://127.0.0.1:9999/LoginRMI</value>
            </list>
        </property>
        
        <property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
</beans>

该问题已被官方收录

程序运行后就停止，不能保证服务一直运行

0

1

springRMI

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

public class RmiServices {
    private static final Log LOGGER = LogFactory.getLog(RmiServices.class);
    public static void main(String[] args) {
        // TODO Auto-generated method stub
//        new ClassPathXmlApplicationContext("spring/spring-rmicontext.xml");
        ApplicationContext context = new ClassPathXmlApplicationContext("classpath:spring/spring-rmicontext.xml");
        LOGGER.info("SUCCESS!");

    }

}

服务端：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://www.springframework.org/schema/beans"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd"
       default-autowire="byName" default-lazy-init="true">

    <!--配置服务一-->
    <bean name="clentrmi1" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">

        <property name="serviceUrl" value="rmi://127.0.0.1:1021/serverRmiTest"/>

        <property name="serviceInterface" value="task08client.service.CategoryService"/>
    </bean>

    <!--配置服务二-->
    <bean name="clentrmi2" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">

        <property name="serviceUrl" value="rmi://127.0.0.1:1022/serverRmiTest"/>

        <property name="serviceInterface" value="task08client.service.CategoryService"/>
    </bean>

</beans>

07-Sep-2018 10:38:26.504 严重 [http-nio-8080-exec-5] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [mvc-dispatcher] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clentrmi1' defined in class path resource [spring/applicationContext-rmi-client.xml]: Invocation of init method failed; nested exception is org.springframework.remoting.RemoteLookupFailureException: Lookup of RMI stub failed; nested exception is java.rmi.ConnectException: Connection refused to host: 127.0.0.1; nested exception is: 
	java.net.ConnectException: Connection refused: connect] with root cause
 java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at java.net.Socket.connect(Socket.java:538)
	at java.net.Socket.<init>(Socket.java:434)
	at java.net.Socket.<init>(Socket.java:211)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
	at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
	at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
	at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:338)
	at sun.rmi.registry.RegistryImpl_Stub.lookup(RegistryImpl_Stub.java:112)
	at java.rmi.Naming.lookup(Naming.java:101)
	at org.springframework.remoting.rmi.RmiClientInterceptor.lookupStub(RmiClientInterceptor.java:200)
	at org.springframework.remoting.rmi.RmiClientInterceptor.prepare(RmiClientInterceptor.java:147)
	at org.springframework.remoting.rmi.RmiClientInterceptor.afterPropertiesSet(RmiClientInterceptor.java:135)
	at org.springframework.remoting.rmi.RmiProxyFactoryBean.afterPropertiesSet(RmiProxyFactoryBean.java:68)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078)
	at task08client.utils.GetRandomSerUtils.getServices(GetRandomSerUtils.java:16)
	at task08client.utils.GetRandomSerUtils.getRandomServices(GetRandomSerUtils.java:47)
	at task08client.controller.CategoryController.listCategory(CategoryController.java:38)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	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.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	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:493)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	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:800)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

服务端：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd"
       default-autowire="byName" default-lazy-init="true">


    <bean name="serverTest" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--提供的服务名称-->
        <property name="serviceName" value="serverRmiTest"/>
        <!--服务实现类引用-->
        <property name="service" ref="rmiServer"/>
        <!--暴露的服务接口-->
        <property name="serviceInterface" value="task8services.service.CategoryService"/>
        <!--服务的端口-->
        <property name="registryPort" value="1021"/>
    </bean>

    <!--服务实现类对象-->
    <bean name="rmiServer" class="task8services.service.CategoryServiceImpl"/>

    <import resource="applicationContext.xml"/>

</beans>