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session冲突问题产生的原因

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1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

  @RequestMapping(value = "changePassword",method = RequestMethod.POST)
    public ModelAndView goPassword(@RequestParam String oldpassword, String password, String repassword, HttpServletResponse response, HttpServletRequest request){
        ModelAndView mav=new ModelAndView();
        try{
            //将cookie中的用户id取出来当作username
            String username=CookieUtil.getCookieValue(request,"username");
            //使用此用户名查找原密码
            User user=userService.listByName(username);
            String salt1=user.getSalt();
            String hashKey1=user.getHashKey();
            String str1=oldpassword+salt1;
            String hashKey2=EncryptionUtil.getSHA256Str(str1);
            //确定旧密码是否正确
            if (hashKey1.equals(hashKey2)){
                //原密码正确，判断两个新密码是否相等,且密码是否符合规范
                if(password.equals(repassword)&&RegexUtil.passwordRegex(password)){
                    //两个新密码相等，并且符合规范，将其储存并修改
                    user.setPassword(password);
                    user.setUpdatedAt(System.currentTimeMillis());
                    userService.justUpdate(user);
                    logger.info(username+"修改密码为"+password);
                    //因为cookie中只储存了未转化的username，所以此时不需要再对cookie进行操作
                    mav.setViewName("redirect:homepage");
                    return mav;
                }
               else {
                    //两次新密码不相等
                    mav.setViewName("errorChangePwd");
                    mav.addObject("errorMessage","请确认两次新密码必须相等且符合规范");
                    return mav;
                }
            }else {
                //原密码不正确
                mav.setViewName("errorChangePwd");
                mav.addObject("errorMessage","原密码错误，请确认后重新输入");
                return mav;
            }
        }catch (Exception e){
            logger.error(e.getMessage());
            mav.setViewName("errorChangePwd");
            mav.addObject("errorMessage","不知道为啥反正就是错了");
            return mav;
        }
    }

    //登出功能
    @RequestMapping(value = "/signout", method = RequestMethod.GET)
    public String signOut(HttpServletResponse response,HttpServletRequest request) throws Exception {
        CookieUtil.delCookie(response,request,"username");
        CookieUtil.delCookie(response,request,"uid");
        CookieUtil.delCookie(response,request,"lid");
        return "redirect:homepage";
    }
}

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shiro如何session共享

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1

shiro

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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spring boot 使用thymeleaf显示页面时有问题

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1

springboot

class="cursor-pointer"> 详细描述

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接口冲突问题

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1

class="cursor-pointer"> 详细描述

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SpringBoot @Transactional声明事务无效问题

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springboot

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

package com.dubboconsumer.dubboConsumer.service.imp;

import com.dubboconsumer.dubboConsumer.Mapper.DemoMapper;
import com.dubboconsumer.dubboConsumer.model.User;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;

@Service
@Transactional
public class DemoService {
    @Resource
    private DemoMapper demoMapper;

    public void A(){
        for (int i = 1;i<5;i++){
           try {
               this.B(i);
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }
    @Transactional(propagation = Propagation.REQUIRES_NEW)
    public void B(int i){//可能发生异常的方法B
            User user = new User();
            if (i==2){
                user.setId(2);
                user.setName("No"+i);
                user.setAge(i);
                demoMapper.insertUser(user);//往user表插入一条用户记录
                int a = 1/0;//抛出ArithmeticException异常
            }else {
                user.setId(i);
                user.setName("Yes"+i);
                user.setAge(i);
                demoMapper.insertUser(user);
            }
    }
}

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压测完毕之后访问页面出现这个提示

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1

压测

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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导入jar包后和slf4j全线冲突

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1

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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使用公司自动生成的批量删除方法报错

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1

复盘踩坑

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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RESTful接口 POST时body的from-data提交表单无效

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1

rest

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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无法从本地连接服务器的memcached

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memcache

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 <!-- Memcached配置 -->
    <!-- p:connectionPoolSize="${memcached.connectionPoolSize}"   p:failureMode="${memcached.failureMode}" -->
    <bean   id="memcachedClientBuilder" class="net.rubyeye.xmemcached.XMemcachedClientBuilder">
        <constructor-arg>
            <list>
                <bean class="java.net.InetSocketAddress">
                    <constructor-arg>
                        <value>${memcached.server1.host}</value>
                    </constructor-arg>
                    <constructor-arg>
                        <value>${memcached.server1.port}</value>
                    </constructor-arg>
                </bean>
            </list>
        </constructor-arg>
        <constructor-arg>
            <list>
                <value>${memcached.server1.weight}</value>
            </list>
        </constructor-arg>

        <!-- (1) 协议工厂 net.rubyeye.xmemcached.command.BinaryCommandFactory(二进制)
                     (2) 协议工厂 net.rubyeye.xmemcached.command.TextCommandFactory(文本)
                     (3) 协议工厂 net.rubyeye.xmemcached.command.KestrelCommandFactory(可靠获取) -->
        <property name="commandFactory" >
            <bean class="net.rubyeye.xmemcached.command.TextCommandFactory" />
        </property>

        <!-- (1) net.rubyeye.xmemcached.impl.KetamaMemcachedSessionLocator 分布策略，一致性哈希（用于增加主机时降低未命中率问题的解决）
			 (2) ArrayMemcachedSessionLocator(默认) ,默认分布的策略是按照key的哈希值模以连接数得到的余数，对应的连接就是将要存储的节点  -->
        <property name="sessionLocator" >
            <bean class="net.rubyeye.xmemcached.impl.KetamaMemcachedSessionLocator" />
        </property>

        <!--序列化转换器-->
        <property name="transcoder" >
            <bean class="net.rubyeye.xmemcached.transcoders.SerializingTranscoder" />
        </property>

        <property name="connectionPoolSize" value="${memcached.connectionPoolSize}" />
        <property name="failureMode" value="${memcached.failureMode}" />
    </bean>

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