panic when define a 'Echo' service

[weiyuanke]

服务端proto文件

客户端测试代码

报错信息：

`2022-10-17T20:02:15.705+0800 INFO config/root_config.go:150 [Config Center] Config center doesn't start 2022-10-17T20:02:15.706+0800 INFO dubbo3/dubbo3_protocol.go:141 [Triple Protocol] Refer service: tri://localhost:20000/api.EchoService?app.version=3.0.0&application=dubbo.io&async=false&bean.name=EchoServiceClientImpl&cluster=failover&config.tracing=&environment=dev&generic=&group=&interface=api.EchoService&loadbalance=&metadata-type=local&module=sample&name=dubbo.io&organization=dubbo-go&owner=dubbo-go&provided-by=&reference.filter=cshutdown&registry.role=0&release=dubbo-golang-3.0.0&retries=&serialization=&side=consumer&sticky=false&timestamp=1666008135&version= 2022-10-17T20:02:15.707+0800 INFO dubbo3/dubbo3_protocol.go:141 [Triple Protocol] Refer service: tri://localhost:20000/api.Greeter?app.version=3.0.0&application=dubbo.io&async=false&bean.name=GreeterClientImpl&cluster=failover&config.tracing=&environment=dev&generic=&group=&interface=api.Greeter&loadbalance=&metadata-type=local&module=sample&name=dubbo.io&organization=dubbo-go&owner=dubbo-go&provided-by=&reference.filter=cshutdown&registry.role=0&release=dubbo-golang-3.0.0&retries=&serialization=&side=consumer&sticky=false&timestamp=1666008135&version= name:"Hello laurence" id:"12345" age:21 panic: reflect: call of reflect.Value.IsZero on zero Value

goroutine 1 [running]: reflect.Value.IsZero({0x0?, 0x0?, 0x10?}) /opt/homebrew/Cellar/go/1.19.1/libexec/src/reflect/value.go:1602 +0x488 github.com/dubbogo/triple/pkg/triple.(*TripleClient).Invoke(0x140001080f0, {0x10365a8cf, 0x5}, {0x1400035d500, 0x2, 0x10}, {0x103b0a600?, 0x140000e3b80}) /Users/yuankewei/go/pkg/mod/github.com/dubbogo/[email protected]/pkg/triple/dubbo3_client.go:111 +0x1f0 dubbo.apache.org/dubbo-go/v3/protocol/dubbo3.(*DubboInvoker).Invoke(0x140002c0140, {0x103c4ee08, 0x140000c0000}, {0x103c5e3d0, 0x1400027c0d0}) /Users/yuankewei/go/pkg/mod/dubbo.apache.org/dubbo-go/[email protected]/protocol/dubbo3/dubbo3_invoker.go:204 +0x870 dubbo.apache.org/dubbo-go/v3/filter/graceful_shutdown.(*consumerGracefulShutdownFilter).Invoke(0x10?, {0x103c4ee08?, 0x140000c0000?}, {0x103c4f2d8?, 0x140002c0140?}, {0x103c5e3d0?, 0x1400027c0d0?}) /Users/yuankewei/go/pkg/mod/dubbo.apache.org/dubbo-go/[email protected]/filter/graceful_shutdown/consumer_filter.go:63 +0x88 dubbo.apache.org/dubbo-go/v3/protocol/protocolwrapper.(*FilterInvoker).Invoke(0x1400007ebd0, {0x103c4ee08, 0x140000c0000}, {0x103c5e3d0, 0x1400027c0d0}) /Users/yuankewei/go/pkg/mod/dubbo.apache.org/dubbo-go/[email protected]/protocol/protocolwrapper/protocol_filter_wrapper.go:128 +0x58 dubbo.apache.org/dubbo-go/v3/cluster/cluster/failover.(*failoverClusterInvoker).Invoke(0x1400007ec00, {0x103c4ee08, 0x140000c0000}, {0x103c5e3d0, 0x1400027c0d0}) /Users/yuankewei/go/pkg/mod/dubbo.apache.org/dubbo-go/[email protected]/cluster/cluster/failover/cluster_invoker.go:85 +0x370 dubbo.apache.org/dubbo-go/v3/common/proxy.DefaultProxyImplementFunc.func1.1({0x1400027e000, 0x2, 0x4?}) /Users/yuankewei/go/pkg/mod/dubbo.apache.org/dubbo-go/[email protected]/common/proxy/proxy.go:200 +0x844 main.main() /Users/yuankewei/project/hcs-server/test/dubboclient/client.go:53 +0x150 exit status 2`

将服务侧的service name从Echo改为Echo2之后，调用正常，怀疑与内部的Echo filter命名冲突

What happened:

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

[AlexStocks]

dubbogo 内部存在一个 Echo 的内置服务 filter，用户也定义了一个同名的，所以发生了冲突

[mooleetzi]

Is this solved? if not, I'd like to work on it.

[justxuewei]

Thanks, @mooleetzi. I assigned this issue to you. If you encounter any problems, you are welcome to discuss them in our Dingtalk group listed in the readme.

[mooleetzi]

Thanks, @mooleetzi. I assigned this issue to you. If you encounter any problems, you are welcome to discuss them in our Dingtalk group listed in the readme.

Ok~

[AlexStocks]

@justxuewei @mooleetzi this is not a bug.

[mooleetzi]

@justxuewei @mooleetzi this is not a bug.

OK.