Exception in thread "main" java.lang.NoClassDefFoundError: entity/user (wrong name: entity/User)

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="dao.IHouseDao"><resultMap id="houseMap" type="myHouse"><result property="id" column="id"/><result property="user_id" column="user_id"/></resultMap><select id="countAll" resultType="int"><!-- 这里的SQL结尾不能加分号，否则报"ORA-00911错误" -->  SELECT count(*) FROM house</select>  <select id="queryByHouseid"   parameterType="entity.user" resultMap="houseMap"><!-- 这里的SQL结尾不能加分号，否则报"ORA-00911错误" -->  SELECT * FROM house where id=#{id}</select>   </mapper>

parameterType类型错误把entity.user改写成Integer