glynn

> > ... > > 1.8 > > 1.8 > > 3.2.11 > > < spring-boot.version>2.6.4 > > ... > > > > org.apache.dubbo.extensions > > dubbo-registry-etcd3 > > 3.2.0...

> Why the url in registry is `grpc://10.63.9.0:8082/proto.helloworld.Greeter`? Do you set `dubbo.protocol.name=tri`? application.yml ``` protocol: name: grpc port: 8082 registry: address: etcd3://127.0.0.1:2379 ```

I solved the problem by removing conflicting plugins: skywalking-agent/plugins/apm-grpc-1.x-plugin-x.x.x.jar

> your jdk:1.8 requirement：jdk-17 Support 1.8, do not change 17 org.apache.dubbo.springboot.skywalking.demo.provider.ObservationConfiguration add fix code: ``` @ConditionalOnBean(ObservationRegistry.class) @Bean ApplicationModel applicationModel(@Autowired ObservationRegistry observationRegistry) { ApplicationModel applicationModel = ApplicationModel.defaultModel(); observationRegistry.observationConfig() .observationHandler(new ObservationHandler.FirstMatchingCompositeObservationHandler( new...

@aofall Thank you for your thoughts, but the error is still reported, here is my maven related information. ``` ... 1.8 1.8 3.2.11 2.6.4 ... org.apache.dubbo.extensions dubbo-registry-etcd3 3.2.0 org.apache.dubbo.extensions dubbo-metadata-report-etcd...

class: EtcdMetadataReport fix code: ``` @Override public boolean registerServiceAppMapping(String key, String group, String content, Object ticket) { String appKey = toRootDir() + "mapping-data" + PATH_SEPARATOR + key + PATH_SEPARATOR +...

> pr has been submitted [apache/dubbo-spi-extensions#380](https://github.com/apache/dubbo-spi-extensions/pull/380) Please close this issue as Complete Is it necessary to wait for pr to be completed？