type transfer error

[finefuture]

Error calling metadataService.GetMetadataInfo for dubbo go, expected behavior: converting map to common.MetadataInfo, but actually calling copyMap.

What happened:

What you expected to happen:

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

Anything else we need to know?:

[tiltwind]

The implementation of dubbo2 rpc protocol in dubbo-go-hessian2 project is deprecated. Use the implementation in dubbo-go project instead.

[wongoo]

ref: #364

[tiltwind]

@finefuture u can submit a new issue in dubbo-go project, and provide more details that how to reproduce this issue.