ssm 框架 我点击跳转 就报错404 好像这个Controller也没有进来这个方法里面 一直报错404

Question

POM.XML
<?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>org.example</groupId>
    <artifactId>AAc</artifactId>
- [ ] 
    <version>1.0-SNAPSHOT</version>



    <properties>
        <spring.version>5.2.13.RELEASE</spring.version>
    </properties>



    <dependencies>

        <dependency>
            <groupId>jspapi</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.0</version>
            <scope>provided</scope>
        </dependency>


        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.1</version>
            <scope>provided</scope>
        </dependency>

        <!-- mysql驱动-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>


        <!--mybatis依赖-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.7</version>
        </dependency>


        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.22</version>
            <scope>provided</scope>
        </dependency>


        <!--spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</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-test</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-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.13.1</version>
        </dependency>


        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.6</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.10</version>
        </dependency>

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


    </dependencies>

</project>

spring-mybatis.xml

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"

   xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans.xsd
   http://www.springframework.org/schema/context
   http://www.springframework.org/schema/context/spring-context.xsd
   http://www.springframework.org/schema/tx
   http://www.springframework.org/schema/tx/spring-tx.xsd ">


<context:property-placeholder location="classpath:druid.properties"/>

<bean id="druidDataSource" class="com.alibaba.druid.pool.DruidDataSource">
    <property name="driverClassName" value="${druid.driver}"/>    <!--加载驱动-->
    <property name="url" value="${druid.url}"/>   <!--连接数据库-->
    <property name="username" value="${druid.username}"/>  <!-- 数据库用户名-->
    <property name="password" value="${druid.password}"/>  <!-- 数据库密码-->


    <!-- c3p0连接池的私有属性 -->

    <property name="initialSize" value="${druid.pool.init}"/>
    <property name="minIdle" value="${druid.pool.minIdle}"/>
    <property name="maxActive" value="${druid.pool.maxActive}"/>
    <property name="maxWait" value="${druid.pool.timeout}"/>
</bean>



<!-- 3.sqlSessionFactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    <property name="dataSource" ref="druidDataSource"/>
    <property name="mapperLocations" value="classpath:mappers/*.xml"/>

    <property name="typeAliasesPackage" value="com.bean"/>
    <property name="configLocation" value="classpath:mybatis-config.xml"/>
</bean>


<!--4.配置dao接口扫描包，动态的实现了Dao接口可以注入Spring容器中！！！-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    <property name="basePackage" value="com.dao"/>
</bean>


<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="druidDataSource"/>
</bean>

<tx:annotation-driven transaction-manager="transactionManager"/>

spring-context.xml

<contest:annotation-config/>

<contest:component-scan base-package="com"/>


1. 

Answer 1

404是请求地址不对
tomcat什么版本的