• 【六祎 - Dubbo】Dubbo 应用 XML配置分析；Dubbo 配置篇；Dubbo参考手册

    Dubbo 应用 XML配置分析

    参考地址：

    • 手动配置

      • https://cn.dubbo.apache.org/zh-cn/overview/mannual/java-sdk/reference-manual/config/overview/

    • 配置说明

      • xml配置
        • https://cn.dubbo.apache.org/zh-cn/overview/mannual/java-sdk/reference-manual/config/xml/
      • 配置工作原理
        • https://cn.dubbo.apache.org/zh-cn/overview/mannual/java-sdk/reference-manual/config/principle/

    • 配置项手册

      • https://cn.dubbo.apache.org/zh-cn/overview/mannual/java-sdk/reference-manual/config/properties/#protocol

    protocol
    在这里插入图片描述provider
    在这里插入图片描述consumer
    在这里插入图片描述config-center
    在这里插入图片描述

    演示案例：

    提供者代码

    public class Application {
    public static void main(String[] args) throws Exception {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("spring/dubbo-provider.xml");
        context.start();
        System.in.read();
    }
}

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    xml配置

    
 
<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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
       http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">

    
    <dubbo:application name="demo-provider" metadata-type="remote">
        <dubbo:parameter key="mapping-type" value="metadata"/>
    dubbo:application>

    
    <dubbo:config-center address="zookeeper://10.151.110.52:2181"/>
    <dubbo:metadata-report address="zookeeper://10.151.110.52:2181"/>
    <dubbo:registry id="registry1" address="zookeeper://10.151.110.52:2181"/>


    
    <dubbo:protocol name="dubbo" port="-1"/>

    <bean id="demoService" class="org.apache.dubbo.demo.provider.DemoServiceImpl"/>
    <bean id="greetingService" class="org.apache.dubbo.demo.provider.GreetingServiceImpl"/>

    
    <dubbo:service interface="org.apache.dubbo.demo.DemoService" timeout="3000" ref="demoService" registry="registry1"/>
    <dubbo:service version="1.0.0" group="greeting" timeout="5000" interface="org.apache.dubbo.demo.GreetingService"
                   ref="greetingService"/>

beans>


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    privoder控制台打印

    [20/11/23 14:55:45:341 CST] DubboSaveMetadataReport-thread-1  INFO zookeeper.ZookeeperMetadataReport:  [DUBBO] store provider metadata. Identifier : org.apache.dubbo.metadata.report.identifier.MetadataIdentifier@c8ae94a; definition: FullServiceDefinition{parameters={mapping-type=metadata, side=provider, service.name=ServiceBean:greeting/org.apache.dubbo.demo.GreetingService:1.0.0, release=, methods=hello, deprecated=false, qos.port=22222, dubbo=2.0.2, interface=org.apache.dubbo.demo.GreetingService, version=1.0.0, generic=false, timeout=5000, revision=1.0.0, mapping.type=metadata, metadata-type=remote, application=demo-provider, dynamic=true, group=greeting, anyhost=true}} ServiceDefinition [canonicalName=org.apache.dubbo.demo.GreetingService, codeSource=file:/D:/apache_projects/dubbo/dubbo-demo/dubbo-demo-interface/target/classes/, methods=[MethodDefinition [name=hello, parameterTypes=[], returnType=java.lang.String]]], dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:351 CST] main  INFO config.ServiceConfig:  [DUBBO] No valid ip found from environment, try to get local host., dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:353 CST] main  INFO config.ServiceConfig:  [DUBBO] Export dubbo service org.apache.dubbo.demo.DemoService to local registry url : injvm://127.0.0.1/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&bind.ip=192.168.109.130&bind.port=20880&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&qos.port=22222&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344, dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:354 CST] main  INFO config.ServiceConfig:  [DUBBO] Register dubbo service org.apache.dubbo.demo.DemoService url dubbo://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&bind.ip=192.168.109.130&bind.port=20880&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&qos.port=22222&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344 to registry registry://192.168.109.130:2181/org.apache.dubbo.registry.RegistryService?application=demo-provider&dubbo=2.0.2&id=registry1&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&pid=13704&qos.port=22222&registry=zookeeper&timestamp=1700463345343, dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:357 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Register: dubbo://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344, dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:359 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Subscribe: provider://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&bind.ip=192.168.109.130&bind.port=20880&category=configurators&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&qos.port=22222&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344, dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:361 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Notify urls for subscribe url provider://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&bind.ip=192.168.109.130&bind.port=20880&category=configurators&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&qos.port=22222&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344, urls: [empty://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&bind.ip=192.168.109.130&bind.port=20880&category=configurators&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&qos.port=22222&release=&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344], dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:364 CST] DubboSaveMetadataReport-thread-1  INFO zookeeper.ZookeeperMetadataReport:  [DUBBO] store provider metadata. Identifier : org.apache.dubbo.metadata.report.identifier.MetadataIdentifier@441ae1a3; definition: FullServiceDefinition{parameters={mapping-type=metadata, side=provider, service.name=ServiceBean:/org.apache.dubbo.demo.DemoService, release=, methods=sayHello,sayHelloAsync, deprecated=false, qos.port=22222, dubbo=2.0.2, interface=org.apache.dubbo.demo.DemoService, generic=false, timeout=3000, mapping.type=metadata, metadata-type=remote, application=demo-provider, dynamic=true, anyhost=true}} ServiceDefinition [canonicalName=org.apache.dubbo.demo.DemoService, codeSource=file:/D:/apache_projects/dubbo/dubbo-demo/dubbo-demo-interface/target/classes/, methods=[MethodDefinition [name=sayHello, parameterTypes=[java.lang.String], returnType=java.lang.String], MethodDefinition [name=sayHelloAsync, parameterTypes=[java.lang.String], returnType=java.util.concurrent.CompletableFuture]]], dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:369 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap is ready., dubbo version: , current host: 192.168.109.130


[20/11/23 14:55:45:371 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap has started., dubbo version: , current host: 192.168.109.130



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    消费者代码

    public class Application {
    /**
     * In order to make sure multicast registry works, need to specify '-Djava.net.preferIPv4Stack=true' before
     * launch the application
     */
    public static void main(String[] args) throws Exception {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("spring/dubbo-consumer.xml");
        context.start();
        DemoService demoService = context.getBean("demoService", DemoService.class);
        GreetingService greetingService = context.getBean("greetingService", GreetingService.class);

        new Thread(() -> {
            while (true) {
                String greetings = greetingService.hello();
                System.out.println(greetings + " from separated thread.");
                try {
                    Thread.sleep(5000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }).start();

        while (true) {
            CompletableFuture<String> hello = demoService.sayHelloAsync("world");
            System.out.println("result: " + hello.get());

            String greetings = greetingService.hello();
            System.out.println("result: " + greetings);

            Thread.sleep(5000);
        }
    }
}


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    consumer控制台打印

    [20/11/23 15:02:29:857 CST] main  INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192.168.109.130:2181 sessionTimeout=60000 watcher=org.apache.curator.ConnectionState@4d098f9b


[20/11/23 15:02:29:922 CST] main-SendThread(r.nacos.com:2181)  INFO zookeeper.ClientCnxn: Opening socket connection to server r.nacos.com/192.168.109.130:2181. Will not attempt to authenticate using SASL (unknown error)

[20/11/23 15:02:29:922 CST] main-SendThread(r.nacos.com:2181)  INFO zookeeper.ClientCnxn: Socket connection established to r.nacos.com/192.168.109.130:2181, initiating session


[20/11/23 15:02:29:923 CST] main  INFO imps.CuratorFrameworkImpl: Default schema

[20/11/23 15:02:29:932 CST] main-SendThread(r.nacos.com:2181)  INFO zookeeper.ClientCnxn: Session establishment complete on server r.nacos.com/192.168.109.130:2181, sessionid = 0x10001273e960005, negotiated timeout = 40000


[20/11/23 15:02:29:939 CST] main-EventThread  INFO state.ConnectionStateManager: State change: CONNECTED # 连接状态

[20/11/23 15:02:29:940 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] No valid zookeeper client found from cache, therefore create a new client for url. zookeeper://192.168.109.130:2181/ConfigCenterConfig?check=true&config-file=dubbo.properties&group=dubbo&highest-priority=false&timeout=3000, dubbo version: , current host: 192.168.109.130

[20/11/23 15:02:29:962 CST] Curator-ConnectionStateManager-0  INFO curator.CuratorZookeeperClient:  [DUBBO] Curator zookeeper client instance initiated successfully, session id is 10001273e960005, dubbo version: , current host: 192.168.109.130
    
    
[20/11/23 15:02:29:986 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] No global configuration in config center, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:29:987 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] No application level configuration in config center, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:008 CST] main  INFO utils.ConfigValidationUtils:  [DUBBO] No valid monitor config found, specify monitor info to enable collection of Dubbo statistics, dubbo version: , current host: 192.168.109.130
    
[20/11/23 15:02:30:039 CST] main  INFO zookeeper.ZookeeperMetadataReport:  [DUBBO] Load service store file C:\Users\.dubbo\dubbo-metadata-demo-consumer-192.168.109.130-2181.cache, data: {org.apache.dubbo.demo.DemoService:::consumer:demo-consumer={"mapping-type":"metadata","init":"false","side":"consumer","release":"","methods":"sayHello,sayHelloAsync","qos.port":"33333","dubbo":"2.0.2","check":"true","interface":"org.apache.dubbo.demo.DemoService","enable.auto.migration":"true","mapping.type":"metadata","metadata-type":"remote","application":"demo-consumer","sticky":"false","enable-auto-migration":"true"}, org.apache.dubbo.demo.GreetingService:1.0.0:greeting:consumer:demo-consumer={"mapping-type":"metadata","init":"false","side":"consumer","release":"","methods":"hello","qos.port":"33333","dubbo":"2.0.2","check":"false","interface":"org.apache.dubbo.demo.GreetingService","version":"1.0.0","revision":"1.0.0","enable.auto.migration":"true","mapping.type":"metadata","metadata-type":"remote","application":"demo-consumer","sticky":"false","enable-auto-migration":"true","group":"greeting"}}, dubbo version: , current host: 192.168.109.130
    
    
[20/11/23 15:02:30:060 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] find valid zookeeper client from the cache for address: zookeeper://192.168.109.130:2181/org.apache.dubbo.metadata.report.MetadataReport?application=demo-consumer&port=2181&protocol=zookeeper, dubbo version: , current host: 192.168.109.130

[20/11/23 15:02:30:066 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap has been initialized!, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:066 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap is starting..., dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:071 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap is ready., dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:074 CST] main  INFO bootstrap.DubboBootstrap:  [DUBBO] DubboBootstrap has started., dubbo version: , current host: 192.168.109.130
    
[20/11/23 15:02:30:144 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Load registry cache file C:\Users\.dubbo\dubbo-registry-demo-consumer-192.168.109.130-2181.cache, data: {greeting/org.apache.dubbo.demo.GreetingService:1.0.0=empty://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=routers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=4068&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700462778060&version=1.0.0 empty://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=configurators&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=4068&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700462778060&version=1.0.0 empty://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=providers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=4068&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700462778060&version=1.0.0, org.apache.dubbo.demo.DemoService=empty://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=routers&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=4068&qos.port=33333&side=consumer&sticky=false&timestamp=1700462777472 empty://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=configurators&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=4068&qos.port=33333&side=consumer&sticky=false&timestamp=1700462777472 empty://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=providers&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=4068&qos.port=33333&side=consumer&sticky=false&timestamp=1700462777472}, dubbo version: , current host: 192.168.109.130


[20/11/23 15:02:30:144 CST] main  INFO zookeeper.ZookeeperTransporter:  [DUBBO] find valid zookeeper client from the cache for address: zookeeper://192.168.109.130:2181/org.apache.dubbo.registry.RegistryService?application=demo-consumer&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&id=org.apache.dubbo.config.RegistryConfig&interface=org.apache.dubbo.registry.RegistryService&mapping-type=metadata&mapping.type=metadata&pid=17228&qos.port=33333&timestamp=1700463750102, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:155 CST] main  INFO migration.MigrationRuleListener:  [DUBBO] Listening for migration rules on dataId-demo-consumer.migration group-MIGRATION, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:156 CST] main  INFO migration.MigrationRuleListener:  [DUBBO] Using the following migration rule to migrate:, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:157 CST] main  INFO migration.MigrationRuleListener:  [DUBBO] INIT, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:176 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Register: consumer://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=consumers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&side=consumer&sticky=false&timestamp=1700463750085, dubbo version: , current host: 192.168.109.130

[20/11/23 15:02:30:192 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Subscribe: consumer://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=providers,configurators,routers&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&side=consumer&sticky=false&timestamp=1700463750085, dubbo version: , current host: 192.168.109.130

[20/11/23 15:02:30:204 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Notify urls for subscribe url consumer://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=providers,configurators,routers&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&side=consumer&sticky=false&timestamp=1700463750085, urls: [dubbo://192.168.109.130:20880/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-provider&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=13704&release=release&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=provider&timeout=3000&timestamp=1700463345344, empty://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=configurators&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&side=consumer&sticky=false&timestamp=1700463750085, empty://192.168.109.130/org.apache.dubbo.demo.DemoService?application=demo-consumer&category=routers&check=true&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&side=consumer&sticky=false&timestamp=1700463750085], dubbo version: , current host: 192.168.109.130


[20/11/23 15:02:30:556 CST] NettyClientWorker-1-1  INFO netty4.NettyClientHandler:  [DUBBO] The connection of /192.168.109.130:62180 -> /192.168.109.130:20880 is established., dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:560 CST] main  INFO transport.AbstractClient:  [DUBBO] Successed connect to server /192.168.109.130:20880 from NettyClient 192.168.109.130 using dubbo version , channel is NettyChannel [channel=[id: 0x4d51818c, L:/192.168.109.130:62180 - R:/192.168.109.130:20880]], dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:560 CST] main  INFO transport.AbstractClient:  [DUBBO] Start NettyClient /192.168.109.130 connect to the server /192.168.109.130:20880, dubbo version: , current host: 192.168.109.130
    
    
[20/11/23 15:02:30:593 CST] main  INFO config.ReferenceConfig:  [DUBBO] Refer dubbo service org.apache.dubbo.demo.DemoService from url dubbo://192.168.109.130/org.apache.dubbo.demo.DemoService?anyhost=true&application=demo-consumer&check=true&deprecated=false&dubbo=2.0.2&dynamic=true&enable-auto-migration=true&enable.auto.migration=true&generic=false&init=false&interface=org.apache.dubbo.demo.DemoService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=sayHello,sayHelloAsync&pid=17228&qos.port=33333&register.ip=192.168.109.130&release=release&remote.application=demo-provider&service.name=ServiceBean:/org.apache.dubbo.demo.DemoService&side=consumer&sticky=false&timeout=3000&timestamp=1700463750085, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:665 CST] DubboSaveMetadataReport-thread-1  INFO zookeeper.ZookeeperMetadataReport:  [DUBBO] store consumer metadata. Identifier : org.apache.dubbo.metadata.report.identifier.MetadataIdentifier@528c11f0; definition: {mapping-type=metadata, init=false, side=consumer, release=, methods=sayHello,sayHelloAsync, qos.port=33333, dubbo=2.0.2, check=true, interface=org.apache.dubbo.demo.DemoService, enable.auto.migration=true, mapping.type=metadata, metadata-type=remote, application=demo-consumer, sticky=false, enable-auto-migration=true}, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:679 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Register: consumer://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=consumers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700463750672&version=1.0.0, dubbo version: , current host: 192.168.109.130


[20/11/23 15:02:30:683 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Subscribe: consumer://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=providers,configurators,routers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700463750672&version=1.0.0, dubbo version: , current host: 192.168.109.130
[20/11/23 15:02:30:686 CST] main  INFO zookeeper.ZookeeperRegistry:  [DUBBO] Notify urls for subscribe url consumer://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=providers,configurators,routers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700463750672&version=1.0.0, urls: [dubbo://192.168.109.130:20880/org.apache.dubbo.demo.GreetingService?anyhost=true&application=demo-provider&deprecated=false&dubbo=2.0.2&dynamic=true&generic=false&group=greeting&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=13704&release=release&revision=1.0.0&service.name=ServiceBean:greeting/org.apache.dubbo.demo.GreetingService:1.0.0&side=provider&timeout=5000&timestamp=1700463344841&version=1.0.0, empty://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=configurators&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700463750672&version=1.0.0, empty://192.168.109.130/org.apache.dubbo.demo.GreetingService?application=demo-consumer&category=routers&check=false&dubbo=2.0.2&enable-auto-migration=true&enable.auto.migration=true&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&revision=1.0.0&side=consumer&sticky=false&timestamp=1700463750672&version=1.0.0], dubbo version: , current host: 192.168.109.130

[20/11/23 15:02:30:688 CST] main  INFO config.ReferenceConfig:  [DUBBO] Refer dubbo service org.apache.dubbo.demo.GreetingService from url dubbo://192.168.109.130/org.apache.dubbo.demo.GreetingService?anyhost=true&application=demo-consumer&check=false&deprecated=false&dubbo=2.0.2&dynamic=true&enable-auto-migration=true&enable.auto.migration=true&generic=false&group=greeting&init=false&interface=org.apache.dubbo.demo.GreetingService&mapping-type=metadata&mapping.type=metadata&metadata-type=remote&methods=hello&pid=17228&qos.port=33333&register.ip=192.168.109.130&release=release&remote.application=demo-provider&revision=1.0.0&service.name=ServiceBean:greeting/org.apache.dubbo.demo.GreetingService:1.0.0&side=consumer&sticky=false&timeout=5000&timestamp=1700463750672&version=1.0.0, dubbo version: , current host: 192.168.109.130


[20/11/23 15:02:30:688 CST] DubboSaveMetadataReport-thread-1  INFO zookeeper.ZookeeperMetadataReport:  [DUBBO] store consumer metadata. Identifier : org.apache.dubbo.metadata.report.identifier.MetadataIdentifier@53c78c1b; definition: {mapping-type=metadata, init=false, side=consumer, release=, methods=hello, qos.port=33333, dubbo=2.0.2, check=false, interface=org.apache.dubbo.demo.GreetingService, version=1.0.0, revision=1.0.0, enable.auto.migration=true, mapping.type=metadata, metadata-type=remote, application=demo-consumer, sticky=false, enable-auto-migration=true, group=greeting}, dubbo version: , current host: 192.168.109.130
result: async result
Greetings! from separated thread.
result: Greetings!
Greetings! from separated thread.
result: async result
result: Greetings!
result: async result
Greetings! from separated thread.

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    xml配置

    

<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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
       http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">

    <dubbo:application name="demo-consumer" >
        <dubbo:parameter key="mapping-type" value="metadata"/>
        <dubbo:parameter key="enable-auto-migration" value="true"/>
    dubbo:application>

    <dubbo:metadata-report address="zookeeper://10.151.110.52:2181"/>

    <dubbo:registry address="zookeeper://10.151.110.52:2181"/>


    
    <dubbo:reference id="demoService" check="true"
                     interface="org.apache.dubbo.demo.DemoService"/>

    <dubbo:reference version="1.0.0" group="greeting" id="greetingService" check="false"
                     interface="org.apache.dubbo.demo.GreetingService"/>

beans>


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  • 原文地址：https://blog.csdn.net/qq_41086359/article/details/134511099