[General][Java SDK (Component)] org.apache.dubbo.remoting.http12.exception.HttpStatusException: Invoker for gRPC not found

[dexchong]

Pre-check

• I am sure that all the content I provide is in English.

Apache Dubbo Component

Java SDK (apache/dubbo)

Details

After starting the consumer, the consumer side is triggered when pulling metadata every second：org.apache.dubbo.rpc.StatusRpcException: UNIMPLEMENTED : Invoker for gRPC not found；
version:
dubbo-provider：3.3.5 + springboot:2.7.17 + JDK17
dubbo-consumer：3.1.11 + springboot:2.7.17 + JDK 17

privider-config:

dubbo:
registry:
address: nacos://127.0.0.1:8848?username=nacos&password=nacos
register-mode: instance
protocols:
tri:
name: tri
port: 8080
dubbo:
name: dubbo
port: 20880

Triple+JAX-RS ：

provider side error log：
2025-08-19 15:22:02.272 [DubboServerHandler-192.168.14.12:8080-thread-190] INFO o.a.d.r.p.tri.h12.AbstractServerTransportListener - traceId: - [DUBBO] An error occurred while processing the http request with GrpcHttp2ServerTransportListener, Http2MetadataFrame{method='POST', path='/org.apache.dubbo.metadata.MetadataService/getMetadataInfo', contentType='application/grpc+proto', streamId=3, endStream=false}, dubbo version: 3.3.5, current host: 192.168.14.12
org.apache.dubbo.remoting.http12.exception.HttpStatusException: Invoker for gRPC not found
at org.apache.dubbo.rpc.protocol.tri.h12.grpc.GrpcRequestHandlerMapping.notFound(GrpcRequestHandlerMapping.java:79)
at org.apache.dubbo.rpc.protocol.tri.h12.grpc.GrpcRequestHandlerMapping.getRequestHandler(GrpcRequestHandlerMapping.java:64)
at org.apache.dubbo.rpc.protocol.tri.route.DefaultRequestRouter.route(DefaultRequestRouter.java:50)
at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.doRoute(AbstractServerTransportListener.java:122)
at org.apache.dubbo.rpc.protocol.tri.h12.grpc.GrpcHttp2ServerTransportListener.onPrepareMetadata(GrpcHttp2ServerTransportListener.java:69)
at org.apache.dubbo.rpc.protocol.tri.h12.grpc.GrpcHttp2ServerTransportListener.onPrepareMetadata(GrpcHttp2ServerTransportListener.java:49)
at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.lambda$onMetadata$0(AbstractServerTransportListener.java:107)
at org.apache.dubbo.common.threadpool.serial.SerializingExecutor.run(SerializingExecutor.java:111)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:39)
at java.base/java.lang.Thread.run(Thread.java:842)

consumer side error log：

2025-08-19 15:25:43.306 [Dubbo-framework-metadata-retry-thread-1] WARN o.a.d.r.c.e.l.ServiceInstancesChangedListener - traceId: - [DUBBO] Received address refresh retry event, 1755588333304, dubbo version: 3.1.11, current host: 192.168.14.12, error code: 99-0. This may be caused by unknown error in registry module, go to https://dubbo.apache.org/faq/99/0 to find instructions.
2025-08-19 15:25:43.306 [Dubbo-framework-metadata-retry-thread-1] WARN o.a.d.r.c.e.l.ServiceInstancesChangedListener - traceId: - [DUBBO] Retrying address notification..., dubbo version: 3.1.11, current host: 192.168.14.12, error code: 99-0. This may be caused by unknown error in registry module, go to https://dubbo.apache.org/faq/99/0 to find instructions.
2025-08-19 15:25:43.306 [Dubbo-framework-metadata-retry-thread-1] WARN o.a.d.r.c.e.l.ServiceInstancesChangedListener - traceId: - [DUBBO] Received address refresh retry event, 1755588333304, dubbo version: 3.1.11, current host: 192.168.14.12, error code: 99-0. This may be caused by unknown error in registry module, go to https://dubbo.apache.org/faq/99/0 to find instructions.
2025-08-19 15:25:43.306 [Dubbo-framework-metadata-retry-thread-1] WARN o.a.d.r.c.e.l.ServiceInstancesChangedListener - traceId: - [DUBBO] Retrying address notification..., dubbo version: 3.1.11, current host: 192.168.14.12, error code: 99-0. This may be caused by unknown error in registry module, go to https://dubbo.apache.org/faq/99/0 to find instructions.
2025-08-19 15:25:43.307 [Dubbo-framework-metadata-retry-thread-1] INFO org.apache.dubbo.rpc.model.ModuleModel - traceId: - [DUBBO] Dynamically registering consumer model uupt-middle-ackdemo-service/org.apache.dubbo.metadata.MetadataService:2.0.0 into model Dubbo Module[1.1.0], dubbo version: 3.1.11, current host: 192.168.14.12
2025-08-19 15:25:43.317 [Dubbo-framework-metadata-retry-thread-1] ERROR o.a.dubbo.registry.client.metadata.MetadataUtils - traceId: - [DUBBO] Failed to get app metadata for revision ac086b2ccffbf5ebef12482977fe76ab for type local from instance 192.168.14.12:20880, dubbo version: 3.1.11, current host: 192.168.14.12, error code: 1-39. This may be caused by , go to https://dubbo.apache.org/faq/1/39 to find instructions.
org.apache.dubbo.rpc.StatusRpcException: UNIMPLEMENTED : Invoker for gRPC not found
at org.apache.dubbo.rpc.TriRpcStatus.asException(TriRpcStatus.java:214)
at org.apache.dubbo.rpc.protocol.tri.call.UnaryClientCallListener.onClose(UnaryClientCallListener.java:47)
at org.apache.dubbo.rpc.protocol.tri.call.TripleClientCall.onComplete(TripleClientCall.java:106)
at org.apache.dubbo.rpc.protocol.tri.stream.TripleClientStream$ClientTransportListener.finishProcess(TripleClientStream.java:216)
at org.apache.dubbo.rpc.protocol.tri.stream.TripleClientStream$ClientTransportListener.onTrailersReceived(TripleClientStream.java:295)
at org.apache.dubbo.rpc.protocol.tri.stream.TripleClientStream$ClientTransportListener.lambda$onHeader$1(TripleClientStream.java:398)
at org.apache.dubbo.common.threadpool.serial.SerializingExecutor.run(SerializingExecutor.java:102)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
at java.base/java.lang.Thread.run(Thread.java:842)

Code of Conduct

• I agree to follow this project's Code of Conduct