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xml配置文件头部网址链接报错

3

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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在Maven库中搜jar包会搜到很多个版本，但使用时选择不当就会报错。

3

maven

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

警告: Exception encountered during context initialization - cancelling refresh attempt:
 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'connectionFactory' defined
 in class path resource [applicationContext-redis.xml]: Bean instantiation via constructor failed; 
 nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate 
 [org.springframework.data.redis.connection.jedis.JedisConnectionFactory]: Constructor threw exception;
 nested exception is java.lang.NoSuchMethodError: 
    org.springframework.util.Assert.isTrue(ZLjava/util/function/Supplier;)V
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: 
Error creating bean with name 'connectionFactory' defined in class path resource [applicationContext-redis.xml]:
 Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException:
 Failed to instantiate [org.springframework.data.redis.connection.jedis.JedisConnectionFactory]: 
 Constructor threw exception; nested exception is java.lang.NoSuchMethodError: 
 org.springframework.util.Assert.isTrue(ZLjava/util/function/Supplier;)V

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项目本地测试图片可以正常加载，上传服务器后显示的样式和图片资源都不见了

3

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page isELIgnored="false" %>
<main>
    <!-- 轮播图 -->
    <section class="slider-contaner">
        <ul class="slider">
            <li class="slider-item slider-item1"></li>
            <li class="slider-item slider-item2"></li>
            <li class="slider-item slider-item3"></li>
            <li class="slider-item slider-item4"></li>
            <li class="slider-item slider-item5"></li>
        </ul>
    </section>
    <!-- 中间栅格部分 -->
    <div class="container content">
        <!-- 三大特色和学员统计-->
        <ul class="features">
            <li class="features-item">
                <img src="${pageContext.request.contextPath}/static/img/efficient.png" alt="">
                <h4>高效</h4>
                <p>将五到七年的成长时间，缩短到一年到三年。</p>
            </li>
            <li class="features-item">
                <img src="${pageContext.request.contextPath}/static/img/archive.png" alt="">
                <h4>规范</h4>
                <p>标准的实战教程，不会走弯路</p>
            </li>
            <li class="features-item">
                <img src="${pageContext.request.contextPath}/static/img/connection.png" alt="">
                <h4>人脉</h4>
                <p>同班好友，同院学长，技术大师，入学就混入职脉圈，为以后铺平道路。</p>
            </li>
            <li class="features-item result">
                <p>
                    <img src="${pageContext.request.contextPath}/static/img/user.png" alt="">${a}<br>
                    <span class="up-3">累计在线学习人数</span>

                </p>
                <p>
                    <img src="${pageContext.request.contextPath}/static/img/user.png" alt="">${b}<br>
                    <span class="up-3">已经找到合适工作的人</span>
                </p>
            </li>
        </ul>

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tuscany war包部署到服务器，客户端发布失败

1

3

tuscany

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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在尝试使用腾讯云上传图片时，报错

6

3

图片上传第三方API调用

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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rmi后cookie的反序列化UID问题

3

序列化

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Override
    public Cookie getCookie(String userName) throws Exception {
        User user = studentService.findNameUser(userName);
        Long id = user.getUserId();
        // 使用用户ID+系统当前时间生成唯一token, 格式为键值对
        String token = id + "|" + id + "|" + System.currentTimeMillis();
        logger.info("生成的token是:"+token);
        // 用DES加密key 必须8位
        byte[] bytes = DESUtil.encrypt(token,skey);
        logger.info("加密后的token: " + DESUtil.toHexString(bytes).toUpperCase());
        logger.info("加密后的Base64 token: " + Base64.encodeBase64String(bytes));
        //org.apache.commons.codec.binary.Base64;依赖包
        Cookie cookie = new Cookie("token",Base64.encodeBase64String(bytes));
        // 设置 Cookie 过期时间 单位为秒
        cookie.setMaxAge(7000);
        // 设置 Cookie 有效路径
        cookie.setPath("/");
        logger.info("新生成的Cookie-效时间-值: " + cookie.getName() + "-->" + cookie.getMaxAge() + "-->" + cookie.getValue() + cookie.getPath());
        return cookie;
    }

logger.info("登录成功，生成cookie");
            Cookie cookie = studentRmi.getCookie(userName);
            response.addCookie(cookie);
            return "redirect:student";

接口文档的字段命名有什么要求呢，简洁好还是长点有区分度？

4

3

接口文档

class="cursor-pointer"> 详细描述

使用唯一索引和不使用时插入查找基本无差别

3

数据库

class="cursor-pointer"> 详细描述

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报错:JSPs only permit GET, POST or HEAD

2

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

//插入数据
    @RequestMapping(value = "/add", method = RequestMethod.PUT)
    public String addUser(Model model, @Validated(value = ValidationInsert.class) UserCustom userCustom, BindingResult bindingResult) throws Exception {
        /* 效验输入信息 */
        if (bindingResult.hasErrors()) {
            //输出错误信息
            List<ObjectError> allErrors = bindingResult.getAllErrors();
            for (ObjectError objectError : allErrors) {
                //输出错误信息
                logger.error(objectError.getDefaultMessage());
            }
            //将错误传到页面
            model.addAttribute("allErrors", allErrors);
            //数据回显
            model.addAttribute("userEcho", userCustom);
            //出错之后要跳转的页面
            return "forward:/rest/list";
        }
        userService.insertUser(userCustom);
        model.addAttribute("userCustomList", userCustom);
        return "redirect:/rest/list";
    }

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MySQL的jdbc驱动报错

2

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

pom 信息

  <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-orm</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!--Spring java数据库访问包，在本例中主要用于提供数据源 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>

<dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.11</version>
    </dependency>