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Spring+Springmvc+Mabatis环境搭建

2016-07-08 02:12 330 查看
1.Download JDK 8:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

环境变量

JAVA_HOME:D:\Program Files\Java\jdk1.8.0_91

PATH:%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;

2.Download maven:http://maven.apache.org/download.cgi

环境变量

MAVEN_HOME:D:\20160706\apache-maven-3.3.9

PATH:%MAVEN_HOME%\bin;

cmd -> mvn -version

Maven数据仓库配置:

D:\20160706\apache-maven-3.3.9\conf -> settings.xml

接触注释localRepository标签,配置路径:D:\20160706\maven-repository\maven-jar

cp settings.xml to D:\20160706\maven-repository\

3.Download Eclipse IDE:http://www.eclipse.org/downloads/eclipse-packages/

Download Tomcat:http://tomcat.apache.org/download-80.cgi#8.0.36

Window -> Preferences -> Server -> Runtime Environments -> Add -> Apache Tomcat v8.0 -> Tomcat installation directory:D:\20160706\apache-tomcat-8.0.36, JRE:jre1.8.0_91

Window -> Preferences -> Maven -> Installations -> Add -> Directory:D:\20160706\apache-maven-3.3.9

Window -> Preferences -> Maven -> User Settings:D:\20160706\maven-repository\settings.xml

6.SVN插件安装

Help -> Eclipse Marketplace -> Find:subclipse -> Install

Window -> Show View -> Other -> SVN资源库: 右键新建资源库位置,输入服务器地址

7.Java代码提示

Window -> Preferences -> Java -> Editor -> Content Assist: Auto activation triggers for Java:.abcdefghijklmnopqrstuvwxyz, delay(ms):200

8.新建maven项目

New -> Maven Project -> maven-archetype-webapp -> Artifact Id:项目名称,Group Id:com.trav, Package:空 -> Finish

右键项目trav -> Properties -> Resource -> Text file encoding:UTF-8

-> Java Build Path:Libraries -> JRE Edit:Workspace default JRE(1.8.0_91)

index.jsp报错,我们需要引入java ee的jar包即可。在pom.xml中引入:

<!-- 导入java ee jar 包 -->

<dependency>

<groupId>javax</groupId>

<artifactId>javaee-api</artifactId>

<version>7.0</version>

</dependency>
web项目配置jstl等: trav -> Properties -> Project Facets:

//Dynamic Web Module 3.1 (右键项目-Maven-Update Project,再改为3.1就可以了 or 打开项目下的 .setting\org.eclipse.wst.common.project.facet.core.xml,手动修改<installed facet="jst.web" version="2.5"/> 重启tomcatX就可以正常使用)

->Java 1.8

9.SSM整合

9.1 Maven引入需要的JAR包,pom.xml:

<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.trav</groupId>

<artifactId>trav</artifactId>

<packaging>war</packaging>

<version>0.0.1-SNAPSHOT</version>

<name>trav Maven Webapp</name>

<url>http://maven.apache.org</url>

<properties>

<!-- spring版本号 -->

<spring.version>4.0.2.RELEASE</spring.version>

<!-- mybatis版本号 -->

<mybatis.version>3.2.6</mybatis.version>

<!-- log4j日志文件管理包版本 -->

<slf4j.version>1.7.7</slf4j.version>

<log4j.version>1.2.17</log4j.version>

</properties>

<dependencies>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

<version>4.11</version>

<!-- 表示开发的时候引入,发布的时候不会加载此包 -->

<scope>test</scope>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-core</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-web</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-oxm</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-tx</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-jdbc</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-aop</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>

<dependency>

<groupId>org.mybatis</groupId>

<artifactId>mybatis</artifactId>

<version>${mybatis.version}</version>

</dependency>

<dependency>

<groupId>org.mybatis</groupId>

<artifactId>mybatis-spring</artifactId>

<version>1.2.2</version>

</dependency>

<dependency>

<groupId>javax</groupId>

<artifactId>javaee-api</artifactId>

<version>7.0</version>

</dependency>

<!-- 导入Mysql数据库链接jar包 -->

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.30</version>

</dependency>

<!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->

<dependency>

<groupId>commons-dbcp</groupId>

<artifactId>commons-dbcp</artifactId>

<version>1.2.2</version>

</dependency>

<!-- JSTL标签类 -->

<dependency>

<groupId>jstl</groupId>

<artifactId>jstl</artifactId>

<version>1.2</version>

</dependency>

<!-- 日志文件管理包 -->

<!-- log start -->

<dependency>

<groupId>log4j</groupId>

<artifactId>log4j</artifactId>

<version>${log4j.version}</version>

</dependency>

<!-- 格式化对象,方便输出日志 -->

<dependency>

<groupId>com.alibaba</groupId>

<artifactId>fastjson</artifactId>

<version>1.1.41</version>

</dependency>

<dependency>

<groupId>org.slf4j</groupId>

<artifactId>slf4j-api</artifactId>

<version>${slf4j.version}</version>

</dependency>

<dependency>

<groupId>org.slf4j</groupId>

<artifactId>slf4j-log4j12</artifactId>

<version>${slf4j.version}</version>

</dependency>

<!-- log end -->

<!-- 引入JSON -->

<dependency>

<groupId>org.codehaus.jackson</groupId>

<artifactId>jackson-mapper-asl</artifactId>

<version>1.9.13</version>

</dependency>

<!-- 上传组件包 -->

<dependency>

<groupId>commons-fileupload</groupId>

<artifactId>commons-fileupload</artifactId>

<version>1.3.1</version>

</dependency>

<dependency>

<groupId>commons-io</groupId>

<artifactId>commons-io</artifactId>

<version>2.4</version>

</dependency>

<dependency>

<groupId>commons-codec</groupId>

<artifactId>commons-codec</artifactId>

<version>1.9</version>

</dependency>

</dependencies>

<build>

<finalName>trav</finalName>

</build>

</project>

9.2 Spring与MyBatis的整合

9.2.1 建立JDBC属性文件 src/main/resources/db.properties(文件编码修改为utf-8)

driver=com.mysql.jdbc.Driver

url=jdbc:mysql://127.0.0.1:3306/trav

username=root

password=928606

#定义初始连接数

initialSize=0

#定义最大连接数

maxActive=20

#定义最大空闲

maxIdle=20

#定义最小空闲

minIdle=1

#定义最长等待时间

maxWait=60000

9.2.2 建立spring-mybatis.xml配置文件 src/main/resources/

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 自动扫描 -->

<context:component-scan base-package="com.cn.hnust" />

<!-- 引入配置文件 -->

<bean id="propertyConfigurer"

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<property name="location" value="classpath:db.properties" />

</bean>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"

destroy-method="close">

<property name="driverClassName" value="${driver}" />

<property name="url" value="${url}" />

<property name="username" value="${username}" />

<property name="password" value="${password}" />

<!-- 初始化连接大小 -->

<property name="initialSize" value="${initialSize}"></property>

<!-- 连接池最大数量 -->

<property name="maxActive" value="${maxActive}"></property>

<!-- 连接池最大空闲 -->

<property name="maxIdle" value="${maxIdle}"></property>

<!-- 连接池最小空闲 -->

<property name="minIdle" value="${minIdle}"></property>

<!-- 获取连接最大等待时间 -->

<property name="maxWait" value="${maxWait}"></property>

</bean>

<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

<property name="dataSource" ref="dataSource" />

<!-- 自动扫描mapping.xml文件 -->

<property name="mapperLocations" value="classpath:com/cn/hnust/mapping/*.xml"></property>

</bean>

<!-- DAO接口所在包名,Spring会自动查找其下的类 -->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

<property name="basePackage" value="com.cn.hnust.dao" />

<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>

</bean>

<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->

<bean id="transactionManager"

class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="dataSource" />

</bean>

</beans>

9.2.3 Log4j的配置 src/main/resources/log4j.properties

log4j.rootLogger=INFO, console, file

log4j.appender.console=org.apache.log4j.ConsoleAppender

log4j.appender.console.Target=System.out

log4j.appender.console.layout=org.apache.log4j.PatternLayout

log4j.appender.console.layout.ConversionPattern=[%c] - %m%n

log4j.appender.file=org.apache.log4j.DailyRollingFileAppender

log4j.appender.file.DatePattern='.'yyyy-MM-dd

log4j.appender.file.File=logs/webapp.log

log4j.appender.file.Append=true

log4j.appender.file.Threshold=ALL

log4j.appender.file.layout=org.apache.log4j.PatternLayout

log4j.appender.file.layout.ConversionPattern=[%p][%d{yyyy-MM-dd HH\:mm\:ss}][%c] - %m%n

使用详解:http://blog.csdn.net/xuliuzhu/article/details/51925800

###

log4j.rootLogger=INFO,Console,File

#定义日志输出目的地为控制台

log4j.appender.Console=org.apache.log4j.ConsoleAppender

log4j.appender.Console.Target=System.out

#可以灵活地指定日志输出格式,下面一行是指定具体的格式

log4j.appender.Console.layout = org.apache.log4j.PatternLayout

log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n

#文件大小到达指定尺寸的时候产生一个新的文件

log4j.appender.File = org.apache.log4j.RollingFileAppender

#指定输出目录

log4j.appender.File.File = logs/ssm.log

#定义文件最大大小

log4j.appender.File.MaxFileSize = 10MB

# 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志

log4j.appender.File.Threshold = ALL

log4j.appender.File.layout = org.apache.log4j.PatternLayout

log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n

9.2.4 JUnit测试

数据库中建立一个测试表,SQL语句为:

DROP TABLE IF EXISTS `user_t`;

CREATE TABLE `user_t` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`user_name` varchar(40) NOT NULL,

`password` varchar(255) NOT NULL,

`age` int(4) NOT NULL,

PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;

/*Data for the table `user_t` */

insert into `user_t`(`id`,`user_name`,`password`,`age`) values (1,'测试','sfasgfaf',24);

9.2.5 使用MyBatis Generator自动创建代码

mkdir D:\20160706\mybatis-generator-core-1.3.2\lib

Download mybatis-generator-core: http://grepcode.com/snapshot/repo1.maven.org/maven2/org.mybatis.generator/mybatis-generator-core/1.3.2
cp mysql-connector-java-5.1.30.jar and mybatis-3.2.7.jar to lib

new src folder

new generator-config.xml:

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

<!DOCTYPE generatorConfiguration

PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"

"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>

<!-- 数据库驱动 -->

<classPathEntry location="mysql-connector-java-5.1.30.jar" />

<context id="DB2Tables" targetRuntime="MyBatis3">

<commentGenerator>

<property name="suppressDate" value="true" />

<!-- 是否去除自动生成的注释 true:是 : false:否 -->

<property name="suppressAllComments" value="true" />

</commentGenerator>

<!--数据库链接URL,用户名、密码 -->

<jdbcConnection driverClass="com.mysql.jdbc.Driver"

connectionURL="jdbc:mysql://127.0.0.1:3306/trav" userId="root"

password="928606">

</jdbcConnection>

<javaTypeResolver>

<property name="forceBigDecimals" value="false" />

</javaTypeResolver>

<!-- 生成模型的包名和位置 -->

<javaModelGenerator targetPackage="com.cn.hnust.pojo"

targetProject="src">

<property name="enableSubPackages" value="true" />

<property name="trimStrings" value="true" />

</javaModelGenerator>

<!-- 生成映射文件的包名和位置 -->

<sqlMapGenerator targetPackage="com.cn.hnust.mapping"

targetProject="src">

<property name="enableSubPackages" value="true" />

</sqlMapGenerator>

<!-- 生成DAO的包名和位置 -->

<javaClientGenerator type="XMLMAPPER"

targetPackage="com.cn.hnust.dao" targetProject="src">

<property name="enableSubPackages" value="true" />

</javaClientGenerator>

<!-- 要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名 -->

<table tableName="user_t" domainObjectName="User"

enableCountByExample="false" enableUpdateByExample="false"

enableDeleteByExample="false" enableSelectByExample="false"

selectByExampleQueryId="false"></table>

</context>

</generatorConfiguration>

cmd D:

cd D:\20160706\mybatis-generator-core-1.3.2\lib

java -jar mybatis-generator-core-1.3.2.jar -configfile generator-config.xml -overwrite

9.2.6 建立测试类

测试类在src/test/java中建立,下面测试类中注释掉的部分是不使用Spring时,一般情况下的一种测试方法;如果使用了Spring那么就可以使用注解的方式来引入配置文件和类,然后再将service接口对象注入,就可以进行测试了。

如果测试成功,表示Spring和Mybatis已经整合成功了。输出信息使用的是Log4j打印到控制台。

package com.cn.hnust.service;

import javax.annotation.Resource;

import org.apache.log4j.Logger;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.springframework.test.context.ContextConfiguration;

import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.alibaba.fastjson.JSON;

import com.cn.hnust.pojo.User;

import com.cn.hnust.service.IUserService;

//表示继承了SpringJUnit4ClassRunner类

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration(locations = {"classpath:spring-mybatis.xml"})

public class IUserServiceTest {

private static Logger logger = Logger.getLogger(IUserServiceTest.class);

//private ApplicationContext ac = null;

@Resource

private IUserService userService = null;

//@Before

//public void before() {

//ac = new ClassPathXmlApplicationContext("applicationContext.xml");//不使用Spring测试

//userService = (IUserService) ac.getBean("userService");

//}

@Test

public void testGetUserById() {

User user = userService.getUserById(1);

logger.info("user: "+JSON.toJSONString(user));

}

}

9.3 整合SpringMVC

上面已经完成了2大框架的整合,SpringMVC的配置文件单独放,然后在web.xml中配置整合。

9.3.1 配置spring-mvc.xml

主要是自动扫描控制器,视图模式,注解的启动

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:mvc="http://www.springframework.org/schema/mvc"

xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<!-- 自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->

<context:component-scan base-package="com.cn.hnust.controller" />

<!--避免IE执行AJAX时,返回JSON出现下载文件 -->

<bean id="mappingJacksonHttpMessageConverter"

class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">

<property name="supportedMediaTypes">

<list>

<value>text/html;charset=UTF-8</value>

</list>

</property>

</bean>

<!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->

<bean

class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">

<property name="messageConverters">

<list>

<ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->

</list>

</property>

</bean>

<!-- 定义跳转的文件的前后缀 ,视图模式配置 -->

<bean

class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->

<property name="prefix" value="/WEB-INF/jsp/" />

<property name="suffix" value=".jsp" />

</bean>

<!-- 配置文件上传,如果没有使用文件上传可以不用配置,当然如果不配,那么配置文件中也不必引入上传组件包 -->

<bean id="multipartResolver"

class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<!-- 默认编码 -->

<property name="defaultEncoding" value="utf-8" />

<!-- 文件大小最大值 -->

<property name="maxUploadSize" value="10485760000" />

<!-- 内存中的最大值 -->

<property name="maxInMemorySize" value="40960" />

</bean>

</beans>

9.3.2 配置web.xml文件

这里面对spring-mybatis.xml的引入以及配置的spring-mvc的Servlet就是为了完成SSM整合,之前2框架整合不需要在此处进行任何配置。

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

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns="http://java.sun.com/xml/ns/javaee"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">

<display-name>Archetype Created Web Application</display-name>

<!-- Spring和mybatis的配置文件 -->

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:spring-mybatis.xml</param-value>

</context-param>

<!-- 编码过滤器 -->

<filter>

<filter-name>encodingFilter</filter-name>

<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

<async-supported>true</async-supported>

<init-param>

<param-name>encoding</param-name>

<param-value>UTF-8</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>encodingFilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<!-- Spring监听器 -->

<listener>

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<!-- 防止Spring内存溢出监听器 -->

<listener>

<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>

</listener>

<!-- Spring MVC servlet -->

<servlet>

<servlet-name>SpringMVC</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath:spring-mvc.xml</param-value>

</init-param>

<load-on-startup>1</load-on-startup>

<async-supported>true</async-supported>

</servlet>

<servlet-mapping>

<servlet-name>SpringMVC</servlet-name>

<!-- 此处可以可以配置成*.do,对应struts的后缀习惯 -->

<url-pattern>/</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>/index.jsp</welcome-file>

</welcome-file-list>

</web-app>

9.3.3 测试

新建页面:webapp/WEB-INF/jsp/show-user.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>测试</title>

</head>

<body>${user.userName}

</body>

</html>

UserController.java 控制器

package com.cn.hnust.controller;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import com.cn.hnust.service.IUserService;

@Controller

@RequestMapping("/user")

public class UserController {

@Resource

private IUserService userService;

@RequestMapping("/showUser")

public String toIndex(HttpServletRequest request, Model model) {

int userId = Integer.parseInt(request.getParameter("id"));

model.addAttribute("user", userService.getUserById(userId));

return "show-user";

}

}

部署项目,输入地址:localhost:8080/trav/user/showUser?id=1

Eclipse报错:java.lang.ClassNotFoundException: ContextLoaderListener

错误原因:

进入到tomcat的部署路径.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\下检查了一下,发现工程部署后在WEB-INF文件夹下没有生成lib目录,正常情况下,会生成lib目录并把工程的所有依赖jar包都部署到该目录下。

解决方案:

1.右键点击项目--选择Properties

选择Deployment Assembly,在右边点击Add按钮,在弹出的窗口中选择Java Build Path Entries。

点击Next,选择Maven Dependencies

点击Finish,然后可以看到已经把Maven Dependencies添加到Web应用结构中了

重新部署工程,不再报错了。然后我们再到.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\目录下,发现工程WEB-INF目录下自动生成了lib目录,并且所有的依赖jar包也都已经部署进来。
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