Dubbo自动发现并消费原生Spring Cloud服务，调用方发现cloud服务后报but no metadata service can build from it.

[benxiaohaihh]

Dubbo自动发现并消费原生Spring Cloud服务，以Consul为注册中心。
具体报错如下：
[25/12/21 21:14:00:493 CST] main INFO migration.MigrationRuleListener: [DUBBO] INIT, dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:00:533 CST] main INFO client.ServiceDiscoveryRegistry: [DUBBO] org.apache.dubbo.samples.microservices.sc.rest.UserService mapping to spring-cloud-provider-for-dubbo instructed by provided-by set by user., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:00:793 CST] main INFO listener.ServiceInstancesChangedListener: [DUBBO] Received instance notification, serviceName: spring-cloud-provider-for-dubbo, instances: 1, dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:00:809 CST] main ERROR listener.ServiceInstancesChangedListener: [DUBBO] Failed to load service metadata, metadata type is local, dubbo version: 2.7.13, current host: 192.168.27.1
java.lang.IllegalStateException: You have enabled introspection service discovery mode for instance DefaultServiceInstance{id='spring-cloud-provider-for-dubbo-9457c64541c350ec6efb99d6a568e609', serviceName='spring-cloud-provider-for-dubbo', host='LAPTOP-R1LFQ582', port=8099, enabled=true, healthy=true, metadata={}}, but no metadata service can build from it.
at org.apache.dubbo.registry.client.metadata.MetadataUtils.lambda$getMetadataServiceProxy$0(MetadataUtils.java:90)
at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705)
at org.apache.dubbo.registry.client.metadata.MetadataUtils.getMetadataServiceProxy(MetadataUtils.java:74)
at org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.getMetadataInfo(ServiceInstancesChangedListener.java:180)
at org.apache.dubbo.registry.client.event.listener.ServiceInstancesChangedListener.onEvent(ServiceInstancesChangedListener.java:116)
at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.lambda$subscribeURLs$3(ServiceDiscoveryRegistry.java:337)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.subscribeURLs(ServiceDiscoveryRegistry.java:334)
at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.doSubscribe(ServiceDiscoveryRegistry.java:269)
at org.apache.dubbo.registry.client.ServiceDiscoveryRegistry.subscribe(ServiceDiscoveryRegistry.java:256)
at org.apache.dubbo.registry.ListenerRegistryWrapper.subscribe(ListenerRegistryWrapper.java:105)
at org.apache.dubbo.registry.integration.DynamicDirectory.subscribe(DynamicDirectory.java:154)
at org.apache.dubbo.registry.integration.RegistryProtocol.doCreateInvoker(RegistryProtocol.java:525)
at org.apache.dubbo.registry.integration.RegistryProtocol.getServiceDiscoveryInvoker(RegistryProtocol.java:505)
at org.apache.dubbo.registry.client.migration.MigrationInvoker.refreshServiceDiscoveryInvoker(MigrationInvoker.java:295)
at org.apache.dubbo.registry.client.migration.ServiceDiscoveryMigrationInvoker.migrateToServiceDiscoveryInvoker(ServiceDiscoveryMigrationInvoker.java:50)
at org.apache.dubbo.registry.client.migration.MigrationRuleHandler.doMigrate(MigrationRuleHandler.java:58)
at org.apache.dubbo.registry.client.migration.MigrationRuleListener.onRefer(MigrationRuleListener.java:103)
at org.apache.dubbo.registry.integration.RegistryProtocol.interceptInvoker(RegistryProtocol.java:498)
at org.apache.dubbo.registry.integration.RegistryProtocol.doRefer(RegistryProtocol.java:483)
at org.apache.dubbo.registry.integration.RegistryProtocol.refer(RegistryProtocol.java:477)
at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.refer(ProtocolListenerWrapper.java:72)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.refer(ProtocolFilterWrapper.java:81)
at org.apache.dubbo.rpc.Protocol$Adaptive.refer(Protocol$Adaptive.java)
at org.apache.dubbo.config.ReferenceConfig.createProxy(ReferenceConfig.java:378)
at org.apache.dubbo.config.ReferenceConfig.init(ReferenceConfig.java:313)
at org.apache.dubbo.config.ReferenceConfig.get(ReferenceConfig.java:206)
at org.apache.dubbo.config.spring.ReferenceBean.getObject(ReferenceBean.java:68)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:178)
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:103)
at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1640)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:254)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1086)
at org.apache.dubbo.demo.consumer.Application.main(Application.java:28)
[25/12/21 21:14:00:814 CST] main INFO listener.ServiceInstancesChangedListener: [DUBBO] MetadataInfo for instance LAPTOP-R1LFQ582:8099?revision=null is null, dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:00:834 CST] main INFO config.ReferenceConfig: [DUBBO] Refer dubbo service org.apache.dubbo.samples.microservices.sc.rest.UserService from url rest://192.168.27.1/org.apache.dubbo.samples.microservices.sc.rest.UserService?application=dubbo-sc-consumer&check=false&dubbo=2.0.2&init=false&interface=org.apache.dubbo.samples.microservices.sc.rest.UserService&methods=getUser&pid=21868&protocol=rest&provided-by=spring-cloud-provider-for-dubbo&qos.port=33333&register.ip=192.168.27.1&release=2.7.13&side=consumer&sticky=false&timestamp=1640438039218, dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:049 CST] main INFO support.PostProcessorRegistrationDelegate$BeanPostProcessorChecker: Bean 'userService' of type [org.apache.dubbo.common.bytecode.proxy0] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
[25/12/21 21:14:01:058 CST] Thread-0 INFO support.ClassPathXmlApplicationContext: Closing org.springframework.context.support.ClassPathXmlApplicationContext@2d928643: startup date [Sat Dec 25 21:13:55 CST 2021]; root of context hierarchy
Exception in thread "main" org.apache.dubbo.rpc.RpcException: No provider available from registry 127.0.0.1:8500 for service org.apache.dubbo.samples.microservices.sc.rest.UserService on consumer 192.168.27.1 use dubbo version 2.7.13, please check status of providers(disabled, not registered or in blacklist).
at org.apache.dubbo.registry.integration.DynamicDirectory.doList(DynamicDirectory.java:168)
at org.apache.dubbo.rpc.cluster.directory.AbstractDirectory.list(AbstractDirectory.java:99)
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.list(AbstractClusterInvoker.java:297)
at org.apache.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:262)
at org.apache.dubbo.rpc.cluster.interceptor.ClusterInterceptor.intercept(ClusterInterceptor.java:47)
at org.apache.dubbo.rpc.cluster.support.wrapper.AbstractCluster$InterceptorInvokerNode.invoke(AbstractCluster.java:92)
at org.apache.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:93)
at org.apache.dubbo.registry.client.migration.ServiceDiscoveryMigrationInvoker.invoke(ServiceDiscoveryMigrationInvoker.java:59)
at org.apache.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:96)
at org.apache.dubbo.common.bytecode.proxy0.getUser(proxy0.java)
at org.apache.dubbo.demo.consumer.Application.main(Application.java:29)
[25/12/21 21:14:01:060 CST] Thread-0 INFO config.DubboShutdownHook: [DUBBO] Run shutdown hook now., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:064 CST] Thread-0 INFO support.AbstractRegistryFactory: [DUBBO] Close all registries [org.apache.dubbo.registry.client.ServiceDiscoveryRegistry@71bd1be4], dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:069 CST] Thread-0 INFO listener.LoggingEventListener: [DUBBO] org.apache.dubbo.registry.consul.ConsulServiceDiscovery@426b6a74 is stopping..., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:072 CST] Thread-0 INFO listener.LoggingEventListener: [DUBBO] org.apache.dubbo.registry.consul.ConsulServiceDiscovery@426b6a74 is stopped., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:077 CST] Thread-0 INFO bootstrap.DubboBootstrap: [DUBBO] DubboBootstrap is about to shutdown..., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:080 CST] Thread-0 INFO listener.LoggingEventListener: [DUBBO] Dubbo Service has been destroyed., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:082 CST] Thread-0 WARN config.DubboShutdownHook: [DUBBO] There's no ApplicationConfig specified., dubbo version: 2.7.13, current host: 192.168.27.1
java.lang.IllegalStateException: There's no ApplicationConfig specified.
at org.apache.dubbo.config.context.ConfigManager.lambda$getApplicationOrElseThrow$0(ConfigManager.java:90)
at java.base/java.util.Optional.orElseThrow(Optional.java:408)
at org.apache.dubbo.config.context.ConfigManager.getApplicationOrElseThrow(ConfigManager.java:90)
at org.apache.dubbo.rpc.model.ApplicationModel.getApplicationConfig(ApplicationModel.java:100)
at org.apache.dubbo.rpc.model.ApplicationModel.getName(ApplicationModel.java:104)
at org.apache.dubbo.rpc.model.ApplicationModel.getApplication(ApplicationModel.java:112)
at org.apache.dubbo.registry.integration.RegistryProtocol.destroy(RegistryProtocol.java:575)
at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.destroy(ProtocolListenerWrapper.java:82)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.destroy(ProtocolFilterWrapper.java:88)
at org.apache.dubbo.config.DubboShutdownHook.destroyProtocols(DubboShutdownHook.java:143)
at org.apache.dubbo.config.DubboShutdownHook.doDestroy(DubboShutdownHook.java:118)
at org.apache.dubbo.config.DubboShutdownHook.destroyAll(DubboShutdownHook.java:131)
at org.apache.dubbo.config.bootstrap.DubboBootstrap.destroy(DubboBootstrap.java:1280)
at org.apache.dubbo.common.function.ThrowableAction.execute(ThrowableAction.java:46)
at org.apache.dubbo.common.lang.ShutdownHookCallbacks.lambda$callback$0(ShutdownHookCallbacks.java:70)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at org.apache.dubbo.common.lang.ShutdownHookCallbacks.callback(ShutdownHookCallbacks.java:70)
at org.apache.dubbo.config.DubboShutdownHook.callback(DubboShutdownHook.java:84)
at org.apache.dubbo.config.DubboShutdownHook.run(DubboShutdownHook.java:72)
at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onContextClosedEvent(DubboBootstrapApplicationListener.java:74)
at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onApplicationContextEvent(DubboBootstrapApplicationListener.java:65)
at com.alibaba.spring.context.OnceApplicationContextEventListener.onApplicationEvent(OnceApplicationContextEventListener.java:52)
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:393)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:347)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:991)
at org.springframework.context.support.AbstractApplicationContext$2.run(AbstractApplicationContext.java:929)
[25/12/21 21:14:01:084 CST] Thread-0 INFO listener.LoggingEventListener: [DUBBO] Dubbo Service has been destroyed., dubbo version: 2.7.13, current host: 192.168.27.1
[25/12/21 21:14:01:086 CST] Thread-0 INFO annotation.ReferenceAnnotationBeanPostProcessor: class org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor was destroying!

Process finished with exit code 1