org.apache.ibatis.binding.BindingException

最新推荐文章于 2025-03-20 12:49:06 发布

Neo_LJH

最新推荐文章于 2025-03-20 12:49:06 发布

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文章标签： mybatis mysql maven

本文链接：https://blog.youkuaiyun.com/Kakarotto_lu/article/details/116585018

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绑定异常错误：

org.apache.ibatis.binding.BindingException: Type interface com.jou.mapper.UserMaper is not known to the MapperRegistry.

原因：配置文件中存在问题或者未在核心配置文件中没注册

项目结构

mybatis-config 核心配置文件和pom.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<!--configuration 核心配置文件-->
<configuration>

    <!--别名-->
    <typeAliases>
        <package name="com.jou.pojo"/>
    </typeAliases>

    <environments default="development">
        <environment id="development">
            <!--事务管理-->
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver"/>
                <!-- useSSL=true 安全连接       amp; 转译       -->
                <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useSSL=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"/>
                <property name="username" value="root"/>
                <property name="password" value="root"/>
            </dataSource>
        </environment>
    </environments>
    
    
    <!--*****************************************-->
    <!--每一个Mapper.xml都需要在Mybatis核心配置文件中注册，三种方式-->
    <mappers>
        <!--<mapper resource="com/jou/mapper/UserMapper.xml"/>-->
        <mapper class="com.jou.mapper.UserMapper"/>
        <!--<package name="com.jou.mapper"/>-->
    </mappers>
    <!--*****************************************-->

</configuration>

<!--在build中配置resources,来防止我们资源导出失败的问题-->
<build>
    <resources>
        <resource>
            <directory>src/main/resources</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
            </includes>
            <filtering>true</filtering>
        </resource>
        <resource>
            <directory>src/main/java</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
            </includes>
            <filtering>true</filtering>
        </resource>
    </resources>
</build>