MasterKenway edited a comment on issue #240:
URL: https://github.com/apache/dubbo-go-pixiu/issues/240#issuecomment-899054471
After my debug and discuss with @xavier-niu, I changed my code to
In dubbo protocol client call method:
```
// Call invoke service
func (dc *Client) Call(req *client.Request) (res interface{}, err error) {
// method, paramType, paramValue
gsReq := make([]interface{}, 3)
// if GET with no args, values would be nil
values, err := dc.genericArgs(req)
if err != nil {
return nil, err
}
val, ok := values.(*dubboTarget)
if !ok {
return nil, errors.New("map parameters failed")
}
dm := req.API.Method.IntegrationRequest
method := dm.Method
gsReq[0] = method
if val != nil {
logger.Debugf("[dubbo-go-pixiu] dubbo invoke, method:%s,
types:%s, reqData:%v", method, val.Types, val.Values)
gsReq[1], gsReq[2] = val.Types, val.Values
} else {
logger.Debugf("[dubbo-go-pixiu] dubbo invoke, method:%s,
types:%s, reqData:%v", method, nil, nil)
gsReq[1], gsReq[2] = []hessian.Object{}, []hessian.Object{}
}
gs := dc.Get(dm)
rst, err := gs.Invoke(req.Context, gsReq)
if err != nil {
return nil, err
}
logger.Debugf("[dubbo-go-pixiu] dubbo client resp:%v", rst)
return rst, nil
}
```
But this lead to pixiu error:
```
2021-08-17T17:08:37.216+0800 ERROR dubbo/dubbo_codec.go:245
pkg.Unmarshal(len(@data):0) = error:can not find go type name
com.dubbogo.pixiu.User in registry
github.com/apache/dubbo-go-hessian2.(*Decoder).getStructDefByIndex
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/object.go:576
github.com/apache/dubbo-go-hessian2.(*Decoder).decObject
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/object.go:678
github.com/apache/dubbo-go-hessian2.(*Decoder).DecodeValue
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/decode.go:285
github.com/apache/dubbo-go-hessian2.(*Decoder).decObject
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/object.go:652
github.com/apache/dubbo-go-hessian2.(*Decoder).DecodeValue
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/decode.go:285
github.com/apache/dubbo-go-hessian2.(*Decoder).readUntypedList
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/list.go:414
github.com/apache/dubbo-go-hessian2.(*Decoder).decList
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/list.go:284
github.com/apache/dubbo-go-hessian2.(*Decoder).DecodeValue
D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-go-hessian2/decode.go:278
github.com/apache/dubbo-go-hessian2.(*Decoder).Decode
```
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