Error parsing Mapper XML. The XML location is 'com/bjsxt/mapper/UsersMapper.xml'. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for com.bjsxt.mapper.UsersMapper.BaseResultMap
使用这个插件 org.mybatis.generator 生成的xml文件，里面有多个id，相同
是什么回事
<?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="com.bjsxt.mapper.UsersMapper">
<resultMap id="BaseResultMap" type="com.bjsxt.pojo.Users">
<result column="USER" jdbcType="CHAR" property="user" />
<result column="CURRENT_CONNECTIONS" jdbcType="BIGINT" property="currentConnections" />
<result column="TOTAL_CONNECTIONS" jdbcType="BIGINT" property="totalConnections" />
</resultMap>
<sql id="Example_Where_Clause">
<where>
<foreach collection="oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Update_By_Example_Where_Clause">
<where>
<foreach collection="example.oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Base_Column_List">
USER, CURRENT_CONNECTIONS, TOTAL_CONNECTIONS
</sql>
<select id="selectByExample" parameterType="com.bjsxt.pojo.UsersExample" resultMap="BaseResultMap">
select
<if test="distinct">
distinct
</if>
<include refid="Base_Column_List" />
from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
<if test="orderByClause != null">
order by ${orderByClause}
</if>
</select>
<delete id="deleteByExample" parameterType="com.bjsxt.pojo.UsersExample">
delete from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</delete>
<insert id="insert" parameterType="com.bjsxt.pojo.Users">
insert into users (USER, CURRENT_CONNECTIONS, TOTAL_CONNECTIONS
)
values (#{user,jdbcType=CHAR}, #{currentConnections,jdbcType=BIGINT}, #{totalConnections,jdbcType=BIGINT}
)
</insert>
<insert id="insertSelective" parameterType="com.bjsxt.pojo.Users">
insert into users
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="user != null">
USER,
</if>
<if test="currentConnections != null">
CURRENT_CONNECTIONS,
</if>
<if test="totalConnections != null">
TOTAL_CONNECTIONS,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="user != null">
#{user,jdbcType=CHAR},
</if>
<if test="currentConnections != null">
#{currentConnections,jdbcType=BIGINT},
</if>
<if test="totalConnections != null">
#{totalConnections,jdbcType=BIGINT},
</if>
</trim>
</insert>
<select id="countByExample" parameterType="com.bjsxt.pojo.UsersExample" resultType="java.lang.Long">
select count(*) from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</select>
<update id="updateByExampleSelective" parameterType="map">
update users
<set>
<if test="record.user != null">
USER = #{record.user,jdbcType=CHAR},
</if>
<if test="record.currentConnections != null">
CURRENT_CONNECTIONS = #{record.currentConnections,jdbcType=BIGINT},
</if>
<if test="record.totalConnections != null">
TOTAL_CONNECTIONS = #{record.totalConnections,jdbcType=BIGINT},
</if>
</set>
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<update id="updateByExample" parameterType="map">
update users
set USER = #{record.user,jdbcType=CHAR},
CURRENT_CONNECTIONS = #{record.currentConnections,jdbcType=BIGINT},
TOTAL_CONNECTIONS = #{record.totalConnections,jdbcType=BIGINT}
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<resultMap id="BaseResultMap" type="com.bjsxt.pojo.Users">
<result column="username" jdbcType="VARCHAR" property="username" />
<result column="password" jdbcType="VARCHAR" property="password" />
<result column="salting" jdbcType="VARCHAR" property="salting" />
</resultMap>
<sql id="Example_Where_Clause">
<where>
<foreach collection="oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Update_By_Example_Where_Clause">
<where>
<foreach collection="example.oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Base_Column_List">
username, password, salting
</sql>
<select id="selectByExample" parameterType="com.bjsxt.pojo.UsersExample" resultMap="BaseResultMap">
select
<if test="distinct">
distinct
</if>
<include refid="Base_Column_List" />
from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
<if test="orderByClause != null">
order by ${orderByClause}
</if>
</select>
<delete id="deleteByExample" parameterType="com.bjsxt.pojo.UsersExample">
delete from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</delete>
<insert id="insert" parameterType="com.bjsxt.pojo.Users">
insert into users (username, password, salting
)
values (#{username,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, #{salting,jdbcType=VARCHAR}
)
</insert>
<insert id="insertSelective" parameterType="com.bjsxt.pojo.Users">
insert into users
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="username != null">
username,
</if>
<if test="password != null">
password,
</if>
<if test="salting != null">
salting,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="username != null">
#{username,jdbcType=VARCHAR},
</if>
<if test="password != null">
#{password,jdbcType=VARCHAR},
</if>
<if test="salting != null">
#{salting,jdbcType=VARCHAR},
</if>
</trim>
</insert>
<select id="countByExample" parameterType="com.bjsxt.pojo.UsersExample" resultType="java.lang.Long">
select count(*) from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</select>
<update id="updateByExampleSelective" parameterType="map">
update users
<set>
<if test="record.username != null">
username = #{record.username,jdbcType=VARCHAR},
</if>
<if test="record.password != null">
password = #{record.password,jdbcType=VARCHAR},
</if>
<if test="record.salting != null">
salting = #{record.salting,jdbcType=VARCHAR},
</if>
</set>
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<update id="updateByExample" parameterType="map">
update users
set username = #{record.username,jdbcType=VARCHAR},
password = #{record.password,jdbcType=VARCHAR},
salting = #{record.salting,jdbcType=VARCHAR}
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<resultMap id="BaseResultMap" type="com.bjsxt.pojo.Users">
<id column="userid" jdbcType="INTEGER" property="userid" />
<result column="username" jdbcType="VARCHAR" property="username" />
<result column="userage" jdbcType="INTEGER" property="userage" />
</resultMap>
<sql id="Example_Where_Clause">
<where>
<foreach collection="oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Update_By_Example_Where_Clause">
<where>
<foreach collection="example.oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Base_Column_List">
userid, username, userage
</sql>
<select id="selectByExample" parameterType="com.bjsxt.pojo.UsersExample" resultMap="BaseResultMap">
select
<if test="distinct">
distinct
</if>
<include refid="Base_Column_List" />
from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
<if test="orderByClause != null">
order by ${orderByClause}
</if>
</select>
<select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from users
where userid = #{userid,jdbcType=INTEGER}
</select>
<delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
delete from users
where userid = #{userid,jdbcType=INTEGER}
</delete>
<delete id="deleteByExample" parameterType="com.bjsxt.pojo.UsersExample">
delete from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</delete>
<insert id="insert" parameterType="com.bjsxt.pojo.Users">
insert into users (userid, username, userage
)
values (#{userid,jdbcType=INTEGER}, #{username,jdbcType=VARCHAR}, #{userage,jdbcType=INTEGER}
)
</insert>
<insert id="insertSelective" parameterType="com.bjsxt.pojo.Users">
insert into users
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="userid != null">
userid,
</if>
<if test="username != null">
username,
</if>
<if test="userage != null">
userage,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="userid != null">
#{userid,jdbcType=INTEGER},
</if>
<if test="username != null">
#{username,jdbcType=VARCHAR},
</if>
<if test="userage != null">
#{userage,jdbcType=INTEGER},
</if>
</trim>
</insert>
<select id="countByExample" parameterType="com.bjsxt.pojo.UsersExample" resultType="java.lang.Long">
select count(*) from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</select>
<update id="updateByExampleSelective" parameterType="map">
update users
<set>
<if test="record.userid != null">
userid = #{record.userid,jdbcType=INTEGER},
</if>
<if test="record.username != null">
username = #{record.username,jdbcType=VARCHAR},
</if>
<if test="record.userage != null">
userage = #{record.userage,jdbcType=INTEGER},
</if>
</set>
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<update id="updateByExample" parameterType="map">
update users
set userid = #{record.userid,jdbcType=INTEGER},
username = #{record.username,jdbcType=VARCHAR},
userage = #{record.userage,jdbcType=INTEGER}
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<update id="updateByPrimaryKeySelective" parameterType="com.bjsxt.pojo.Users">
update users
<set>
<if test="username != null">
username = #{username,jdbcType=VARCHAR},
</if>
<if test="userage != null">
userage = #{userage,jdbcType=INTEGER},
</if>
</set>
where userid = #{userid,jdbcType=INTEGER}
</update>
<update id="updateByPrimaryKey" parameterType="com.bjsxt.pojo.Users">
update users
set username = #{username,jdbcType=VARCHAR},
userage = #{userage,jdbcType=INTEGER}
where userid = #{userid,jdbcType=INTEGER}
</update>
<resultMap id="BaseResultMap" type="com.bjsxt.pojo.Users">
<result column="username" jdbcType="VARCHAR" property="username" />
<result column="password" jdbcType="VARCHAR" property="password" />
<result column="salting" jdbcType="VARCHAR" property="salting" />
</resultMap>
<sql id="Example_Where_Clause">
<where>
<foreach collection="oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Update_By_Example_Where_Clause">
<where>
<foreach collection="example.oredCriteria" item="criteria" separator="or">
<if test="criteria.valid">
<trim prefix="(" prefixOverrides="and" suffix=")">
<foreach collection="criteria.criteria" item="criterion">
<choose>
<when test="criterion.noValue">
and ${criterion.condition}
</when>
<when test="criterion.singleValue">
and ${criterion.condition} #{criterion.value}
</when>
<when test="criterion.betweenValue">
and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
</when>
<when test="criterion.listValue">
and ${criterion.condition}
<foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
#{listItem}
</foreach>
</when>
</choose>
</foreach>
</trim>
</if>
</foreach>
</where>
</sql>
<sql id="Base_Column_List">
username, password, salting
</sql>
<select id="selectByExample" parameterType="com.bjsxt.pojo.UsersExample" resultMap="BaseResultMap">
select
<if test="distinct">
distinct
</if>
<include refid="Base_Column_List" />
from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
<if test="orderByClause != null">
order by ${orderByClause}
</if>
</select>
<delete id="deleteByExample" parameterType="com.bjsxt.pojo.UsersExample">
delete from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</delete>
<insert id="insert" parameterType="com.bjsxt.pojo.Users">
insert into users (username, password, salting
)
values (#{username,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, #{salting,jdbcType=VARCHAR}
)
</insert>
<insert id="insertSelective" parameterType="com.bjsxt.pojo.Users">
insert into users
<trim prefix="(" suffix=")" suffixOverrides=",">
<if test="username != null">
username,
</if>
<if test="password != null">
password,
</if>
<if test="salting != null">
salting,
</if>
</trim>
<trim prefix="values (" suffix=")" suffixOverrides=",">
<if test="username != null">
#{username,jdbcType=VARCHAR},
</if>
<if test="password != null">
#{password,jdbcType=VARCHAR},
</if>
<if test="salting != null">
#{salting,jdbcType=VARCHAR},
</if>
</trim>
</insert>
<select id="countByExample" parameterType="com.bjsxt.pojo.UsersExample" resultType="java.lang.Long">
select count(*) from users
<if test="_parameter != null">
<include refid="Example_Where_Clause" />
</if>
</select>
<update id="updateByExampleSelective" parameterType="map">
update users
<set>
<if test="record.username != null">
username = #{record.username,jdbcType=VARCHAR},
</if>
<if test="record.password != null">
password = #{record.password,jdbcType=VARCHAR},
</if>
<if test="record.salting != null">
salting = #{record.salting,jdbcType=VARCHAR},
</if>
</set>
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
<update id="updateByExample" parameterType="map">
update users
set username = #{record.username,jdbcType=VARCHAR},
password = #{record.password,jdbcType=VARCHAR},
salting = #{record.salting,jdbcType=VARCHAR}
<if test="_parameter != null">
<include refid="Update_By_Example_Where_Clause" />
</if>
</update>
</mapper>
插件配置
<build>
<plugins>
<!-- generator -->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<dependencies>
<!-- 插件中引入依赖，只会去本地仓库中查找 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.22</version>
</dependency>
</dependencies>
<configuration>
<configurationFile>
${project.basedir}/src/main/resources/generatorConfig.xml
</configurationFile>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
</plugins>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>解决方法是，将相同的id删除，我就是想问一下，这个插件为什么会出现这种情况
老师，请问这里的UserMapper是我们自定义的类吗
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