Exception in thread "main" org.apache.ibatis.binding.BindingException: Type interface com.test.bean.groupMapper is not known to the MapperRegistry.

    at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47)

    at org.apache.ibatis.session.Configuration.getMapper(Configuration.java:745)

    at org.apache.ibatis.session.defaults.DefaultSqlSession.getMapper(DefaultSqlSession.java:292)

解决办法，逆工程没有添加对应的映射包路径，加好就可以了，mybatis.xml中添加

  <!-- 映射文件方式1，一个一个的配置

        <mapper resource="cn/thinknovo/pojo/UserMapper.xml"/>-->

        <!-- 映射文件方式2，自动扫描包内的Mapper接口与配置文件 -->

        <package name="com/test/pojo"/>

        <package name="com/test/bean"/>

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