porter_springboot/user-service/src/main/resources/META-INF/spring/user.bean.xml

<?xml version="1.0" encoding="UTF-8"?>
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<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"
  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">

  <bean id="servicecomb.samples.executor.groupThreadPool" class="org.apache.servicecomb.core.executor.GroupExecutor"
    init-method="init"/>
    
    <bean id="dataSource"
        class="org.apache.commons.dbcp2.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="${db.driverClassName:com.mysql.jdbc.Driver}" />
        <property name="url"
            value="${db.url:jdbc:mysql://localhost/porter_user_db}" />
        <property name="username" value="${db.username:root}" />
        <property name="password" value="${db.password:root}" />
    </bean>

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:/config/mybatis-config.xml"></property>
    </bean>

    <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
        <property name="mapperInterface"
            value="org.apache.servicecomb.samples.porter.user.dao.UserMapper" />
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
    <bean id="sessionMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
        <property name="mapperInterface"
            value="org.apache.servicecomb.samples.porter.user.dao.SessionMapper" />
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
</beans>