[GitHub] [dubbo-go-pixiu] MasterKenway edited a comment on issue #240: Request for a none params integration request which is on dubbo protocol failed

[GitBox <gi...@apache.org>]

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 @XavierNiu, I changed my code to 
   ```
   // 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 server error: 
   ```
   2021-08-15T22:00:59.795+0800	INFO	dubbo-getty/session.go:578	{server:TCP_SERVER:1:172.17.161.60:20000<->172.17.161.60:47748}, [session.conn.read] = error:EOF
   github.com/apache/dubbo-getty.(*gettyTCPConn).recv
   	D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-getty/connection.go:262
   github.com/apache/dubbo-getty.(*session).handleTCPPackage
   	D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-getty/session.go:629
   github.com/apache/dubbo-getty.(*session).handlePackage
   	D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-getty/session.go:578
   runtime.goexit
   	C:/Users/Kenway/gosdk/go1.16.4/src/runtime/asm_amd64.s:1371
   github.com/apache/dubbo-getty.(*session).handleTCPPackage
   	D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-getty/session.go:635
   github.com/apache/dubbo-getty.(*session).handlePackage
   	D:/WorkSpace/GoLandProjects/dubbo-go-pixiu/vendor/github.com/apache/dubbo-getty/session.go:578
   runtime.goexit
   	C:/Users/Kenway/gosdk/go1.16.4/src/runtime/asm_amd64.s:1371
   ```


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