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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/11/11 07:22:41 UTC
[GitHub] [dubbo-go] PhilYue opened a new issue #1583: pkg.Unmarshal(len(@data):0) = error:get wrong attachments
PhilYue opened a new issue #1583:
URL: https://github.com/apache/dubbo-go/issues/1583
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**What happened**:
基于 [JSON-PRC](https://github.com/apache/dubbo-go-samples/tree/master/rpc/jsonrpc) 改造入参出参，同 #1582 ，在此代码基础上，Server 同时暴露 `dubbo` 和 `jsonrpc`协议，Client 消费使用 `dubbo`协议时，Server 报错如下：
Server Error Log:
```
2021-11-11T15:14:28.086+0800 ERROR dubbo/dubbo_codec.go:196 pkg.Unmarshal(len(@data):0) = error:get wrong attachments:
dubbo.apache.org/dubbo-go/v3/protocol/dubbo/impl.unmarshalRequestBody
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/impl/hessian.go:267
dubbo.apache.org/dubbo-go/v3/protocol/dubbo/impl.HessianSerializer.Unmarshal
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/impl/hessian.go:56
dubbo.apache.org/dubbo-go/v3/protocol/dubbo/impl.(*ProtocolCodec).Decode
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/impl/codec.go:186
dubbo.apache.org/dubbo-go/v3/protocol/dubbo/impl.(*DubboPackage).Unmarshal
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/impl/package.go:93
dubbo.apache.org/dubbo-go/v3/protocol/dubbo.(*DubboCodec).decodeRequest
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/dubbo_codec.go:189
dubbo.apache.org/dubbo-go/v3/protocol/dubbo.(*DubboCodec).Decode
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/dubbo_codec.go:165
dubbo.apache.org/dubbo-go/v3/remoting/getty.(*RpcServerPackageHandler).Read
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/remoting/getty/readwriter.go:104
github.com/apache/dubbo-getty.(*session).handleTCPPackage
/Users/phil/go/pkg/mod/github.com/apache/dubbo-getty@v1.4.5/session.go:627
github.com/apache/dubbo-getty.(*session).handlePackage
/Users/phil/go/pkg/mod/github.com/apache/dubbo-getty@v1.4.5/session.go:549
runtime.goexit
/usr/local/go/src/runtime/asm_amd64.s:1371
dubbo.apache.org/dubbo-go/v3/protocol/dubbo.(*DubboCodec).decodeRequest
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/dubbo_codec.go:196
dubbo.apache.org/dubbo-go/v3/protocol/dubbo.(*DubboCodec).Decode
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/protocol/dubbo/dubbo_codec.go:165
dubbo.apache.org/dubbo-go/v3/remoting/getty.(*RpcServerPackageHandler).Read
/Users/phil/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc3.0.20211109121610-2ebc38bed562/remoting/getty/readwriter.go:104
github.com/apache/dubbo-getty.(*session).handleTCPPackage
/Users/phil/go/pkg/mod/github.com/apache/dubbo-getty@v1.4.5/session.go:627
github.com/apache/dubbo-getty.(*session).handlePackage
/Users/phil/go/pkg/mod/github.com/apache/dubbo-getty@v1.4.5/session.go:549
```
Client dubbogo.yml
```
dubbo:
consumer:
references:
UserProvider:
# protocol: jsonrpc
protocol: dubbo
interface: com.ikurento.user.UserProvider
```
**What you expected to happen**:
Server正常处理请求
**How to reproduce it (as minimally and precisely as possible)**:
-
**Anything else we need to know?**:
-
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[GitHub] [dubbo-go] PhilYue commented on issue #1583: pkg.Unmarshal(len(@data):0) = error:get wrong attachments
Posted by GitBox <gi...@apache.org>.
PhilYue commented on issue #1583:
URL: https://github.com/apache/dubbo-go/issues/1583#issuecomment-966052161
@PhilYue
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[GitHub] [dubbo-go] AlexStocks commented on issue #1583: pkg.Unmarshal(len(@data):0) = error:get wrong attachments
Posted by GitBox <gi...@apache.org>.
AlexStocks commented on issue #1583:
URL: https://github.com/apache/dubbo-go/issues/1583#issuecomment-966818061
try to fix it by yourself?
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[GitHub] [dubbo-go] PhilYue closed issue #1583: pkg.Unmarshal(len(@data):0) = error:get wrong attachments
Posted by GitBox <gi...@apache.org>.
PhilYue closed issue #1583:
URL: https://github.com/apache/dubbo-go/issues/1583
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[GitHub] [dubbo-go] PhilYue commented on issue #1583: pkg.Unmarshal(len(@data):0) = error:get wrong attachments
Posted by GitBox <gi...@apache.org>.
PhilYue commented on issue #1583:
URL: https://github.com/apache/dubbo-go/issues/1583#issuecomment-966067655
[dubbo-go/protocol/dubbo/impl/hessian.go#unmarshalRequestBody](https://github.com/apache/dubbo-go/blob/master/protocol/dubbo/impl/hessian.go#L197)
```go
attachments, err := decoder.Decode()
if err != nil {
return perrors.WithStack(err)
}
//if attachments == nil {
if attachments == nil || attachments == "" { // || attachments == ""
attachments = map[interface{}]interface{}{constant.InterfaceKey: target}
}
if v, ok := attachments.(map[interface{}]interface{}); ok {
v[DUBBO_VERSION_KEY] = dubboVersion
req[6] = ToMapStringInterface(v)
buildServerSidePackageBody(p)
return nil
}
return perrors.Errorf("get wrong attachments: %+v", attachments)
```
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