[Q/A]When deploying a project, no provider occurs

[tinybyhuang]

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Apache Dubbo Component

Java SDK (apache/dubbo)

Details

The invoker DefaultServiceInstance{serviceName='distinct-patient-service', host='10.0.18.9', port=21350, enabled=true, healthy=true, metadata={dubbo.metadata-service.url-params={"serialization":"hessian2","prefer.serialization":"hessian2","version":"1.0.0","dubbo":"2.0.2","release":"3.2.9","side":"provider","port":"21350","protocol":"dubbo"}, dubbo.endpoints=[{"port":21350,"protocol":"dubbo"}], dubbo.metadata.revision=1619c6ec1ac88ec96848df730d81c457, dubbo.metadata.storage-type=local, timestamp=1728363217206}}, service{name='com.distinct.patient.api.PatientApi',group='null',version='1.0.0',protocol='dubbo',port='21350',params={side=provider, release=3.2.9, methods=, deprecated=false, dubbo=2.0.2, interface=com.distinct.patient.api.PatientApi, service-name-mapping=true, version=1.0.0, timeout=30000, generic=false, revision=1.0.0, serialize.check.status=WARN, serialization=hessian2, application=distinct-patient-service, prefer.serialization=hessian2, dynamic=true, REGISTRY_CLUSTER=nacos-registry},} has been added to invalidate list due to connectivity problem. Will trying to reconnect to it in the background., dubbo version: 3.2.9, current host: 10.0.18.9

No provider available from registry RegistryDirectory(registry: nacos-ans.mse.aliyuncs.com:8848)-Directory(invokers: 0[], validInvokers: 0[], invokersToReconnect: 0[]) for service com.distinct.patient.api.PatientApi:1.0.0 on consumer 10.0.18.9 use dubbo version 3.2.9, please check status of providers(disabled, not registered or in blacklist)

The Blacklist Mechanism，I want to know if there is documentation available?

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[AlbumenJ]

Please check your network firewall

[tinybyhuang]

more detail，#14761