dubbo-samples-group/src/main/resources/spring/group-provider.xml

<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
       xmlns="http://www.springframework.org/schema/beans" 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://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
    <context:property-placeholder/>

    <dubbo:application name="demo-provider"/>

    <dubbo:registry address="zookeeper://${zookeeper.address:127.0.0.1}:2181"/>

    <dubbo:provider token="true"/>

    <dubbo:protocol name="dubbo" port="20880"/>

    <bean id="groupAService" class="org.apache.dubbo.samples.group.impl.GroupAServiceImpl"/>

    <bean id="groupBService" class="org.apache.dubbo.samples.group.impl.GroupBServiceImpl"/>

    <dubbo:service id="groupADubboService" group="groupA" interface="org.apache.dubbo.samples.group.api.GroupService"
                   ref="groupAService"/>

    <dubbo:service id="groupBDubboService" group="groupB" interface="org.apache.dubbo.samples.group.api.GroupService"
                   ref="groupBService"/>

</beans>