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json-taglib包无法通过maven配置成功导入

6

9

json

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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mybatis配置文件

8

5

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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mysql使用insert into语句插入含有中文字符值时报错。

9

5

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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resin配置完成之后 web项目部署

5

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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运用SprngAOP进行日志管理,但是统计不到controller类里的方法

7

5

aop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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Dao的使用

3

4

spring

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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配置好resin后，但是发布war一直提示500，tomcat、nginx正常

7

4

resin

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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Server间的切换,延迟非常厉害

4

分布式

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";

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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