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[Bug] The triple service written using proto does not support capitalization of service methods when called on rest #15291

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[Bug] The triple service written using proto does not support capitalization of service methods when called on rest#15291
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@paxxie2

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@paxxie2
paxxie2
opened on Apr 1, 2025

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Apache Dubbo Component

Java SDK (apache/dubbo)

Dubbo Version

Dubbo 3.3.4、 jdk 17

Steps to reproduce this issue

  1. use dubbo-sample-master
    use dubbo-samples-triple-grpc, the old protobuf file is follow:
syntax = "proto3";

option java_multiple_files = true;

package org.apache.dubbo.samples.tri.grpc;

message GreeterRequest {
  string name = 1;
}

message GreeterReply {
  string message = 1;
}

service Greeter{
 // key, the first letter is lowercase
  rpc greet(GreeterRequest) returns (GreeterReply);

  rpc biStream(stream GreeterRequest) returns (stream GreeterReply);

  rpc serverStream(GreeterRequest) returns (stream GreeterReply);

}
  1. update protobuf file
syntax = "proto3";

option java_multiple_files = true;

package org.apache.dubbo.samples.tri.grpc;

message GreeterRequest {
  string name = 1;
}

message GreeterReply {
  string message = 1;
}

service Greeter{
 // key, Convert the first letter to uppercase
  rpc Greet(GreeterRequest) returns (GreeterReply);

  rpc biStream(stream GreeterRequest) returns (stream GreeterReply);

  rpc serverStream(GreeterRequest) returns (stream GreeterReply);

}

  1. compile and run

  2. Requests starting with uppercase or lowercase letters， call on http
    The first http request detail (rpc method name is uppercase):

POST localhost:50053/org.apache.dubbo.samples.tri.grpc.Greeter/greet
Content-Type: application/json

{
  "name": "John"
}

Error details:

21:11:04.136 |-INFO  [NettyServerWorker-5-1] ing.transport.netty4.NettyChannelHandler:56  -|  [DUBBO] The connection [id: 0xade552f6, L:/127.0.0.1:50053 - R:/127.0.0.1:65057] of 127.0.0.1:65057 -> 127.0.0.1:50053 is established., dubbo version: 3.3.4, current host: 172.16.210.28
21:11:04.165 |-INFO  [NettyServerWorker-5-1] .tri.h12.AbstractServerTransportListener:252 -|  [DUBBO] An error occurred while processing the http request with DefaultHttp11ServerTransportListener, Http1Request{method='POST', path='/org.apache.dubbo.samples.tri.grpc.Greeter/greet', contentType='application/json'}, dubbo version: 3.3.4, current host: 172.16.210.28
org.apache.dubbo.remoting.http12.exception.HttpStatusException: Invoker not found
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.doRoute(AbstractServerTransportListener.java:124) ~[dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onBeforeMetadata(AbstractServerTransportListener.java:118) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onMetadata(AbstractServerTransportListener.java:85) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onMetadata(AbstractServerTransportListener.java:54) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1ConnectionHandler.channelRead0(NettyHttp1ConnectionHandler.java:56) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1ConnectionHandler.channelRead0(NettyHttp1ConnectionHandler.java:29) [dubbo-3.3.4.jar:3.3.4]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1Codec.channelRead(NettyHttp1Codec.java:55) [dubbo-3.3.4.jar:3.3.4]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:266) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:537) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at java.lang.Thread.run(Thread.java:840) [?:?]

The second http request detail (rpc method name first letter is uppercase):

# change service method name 'greet' to 'Greet'
POST localhost:50053/org.apache.dubbo.samples.tri.grpc.Greeter/Greet
Content-Type: application/json

{
  "name": "John"
}

Error detials:

21:16:20.396 |-INFO  [NettyServerWorker-5-2] ing.transport.netty4.NettyChannelHandler:56  -|  [DUBBO] The connection [id: 0x5bbfa53a, L:/127.0.0.1:50053 - R:/127.0.0.1:52065] of 127.0.0.1:52065 -> 127.0.0.1:50053 is established., dubbo version: 3.3.4, current host: 172.16.210.28
21:16:20.398 |-INFO  [NettyServerWorker-5-2] .tri.h12.AbstractServerTransportListener:252 -|  [DUBBO] An error occurred while processing the http request with DefaultHttp11ServerTransportListener, Http1Request{method='POST', path='/org.apache.dubbo.samples.tri.grpc.Greeter/Greet', contentType='application/json'}, dubbo version: 3.3.4, current host: 172.16.210.28
org.apache.dubbo.remoting.http12.exception.HttpStatusException: Invoker not found
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.doRoute(AbstractServerTransportListener.java:124) ~[dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onBeforeMetadata(AbstractServerTransportListener.java:118) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onMetadata(AbstractServerTransportListener.java:85) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.rpc.protocol.tri.h12.AbstractServerTransportListener.onMetadata(AbstractServerTransportListener.java:54) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1ConnectionHandler.channelRead0(NettyHttp1ConnectionHandler.java:56) [dubbo-3.3.4.jar:3.3.4]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1ConnectionHandler.channelRead0(NettyHttp1ConnectionHandler.java:29) [dubbo-3.3.4.jar:3.3.4]
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:93) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at org.apache.dubbo.remoting.http12.netty4.h1.NettyHttp1Codec.channelRead(NettyHttp1Codec.java:55) [dubbo-3.3.4.jar:3.3.4]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:107) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:266) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:537) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290) [netty-codec-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.118.Final.jar:4.1.118.Final]
	at java.lang.Thread.run(Thread.java:840) [?:?]

What you expected to happen

Call 'localhost: 50053/org.apache.dubbo.samples.tri.grpc.Greeter/Greet'
Or 'localhost: 50053/org.apache.dubbo.samples.tri.grpc.Greeter/greet' via HTTP succeeded, do not all fail

Anything else

General proto file specifications, The first character of the RPC method name is capitalized, and we have a large number of proto files with history that use RPC method names starting with uppercase characters

Are you willing to submit a pull request to fix on your own?

  • Yes I am willing to submit a pull request on my own!

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