Re: [I] INTERNAL exception occurred when sending generic parameter in streaming [dubbo]

Wed, 29 Nov 2023 23:29:50 -0800 


kazetyan commented on issue #13363:
URL: https://github.com/apache/dubbo/issues/13363#issuecomment-1833241004

   > > ## 问题
   > > 
![image](https://private-user-images.githubusercontent.com/50894526/286463499-b29e393e-09e7-4140-848b-6c55e13545c8.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.LfTyi9ocp_NHy3He7_5LFVAnNrPyrVFlPTE7KXOAa8A)
 
![image](https://private-user-images.githubusercontent.com/50894526/286463755-e0af6028-9f9f-45de-a5b0-116fe9d8a5c7.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.ey
 
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![image](https://private-user-images.githubusercontent.com/50894526/286464019-57a4953d-461a-472b-96c5-9c86ea93a538.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTEiLCJleHAiOjE3MDEzMjUwMTQsIm5iZiI6MTcwMTMyNDcxNCwicGF0aCI6Ii81MDg5NDUyNi8yODY0NjQwMT
 
ktNTdhNDk1M2QtNDYxYS00NzJiLTk2YzUtOWM4NmVhOTNhNTM4LnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFJV05KWUFYNENTVkVINTNBJTJGMjAyMzExMzAlMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjMxMTMwVDA2MTE1NFomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTFjY2U2ZmU3NzljNGRlMTU0NDQ3YjE3MDAwOGQwNGIwODEzNjMxODAwZGEyZDQ4OTE1OGRjYmRjNzNhOTgyMzkmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0JmFjdG9yX2lkPTAma2V5X2lkPTAmcmVwb19pZD0wIn0.Jhr3ud0wmgW6IaC4npYtEIC3UivG6YYX02khKp34n_c)
 `ParameterizedTypeImpl`和`Class` 并没有继承关系,强转报错了
   > > ## 改动+验证
   > > ### 单元测试
   > > 
![image](https://private-user-images.githubusercontent.com/50894526/286529563-6176e558-8758-40e6-801c-bbb1429d44aa.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.TswTaCJRrulkh2K0GDbwbbnEuE0ZPFQ8uXEy3Re9wDg)
 看这的逻辑似乎是想获取`StreamObserver<X>`里的X的类型,加个判断,如果X也带泛型,获取X本身的类型
   > > ### 集成测试
   > > 改动前 
![image](https://private-user-images.githubusercontent.com/50894526/286541614-3c12b9f0-79a2-4114-aa13-e070b6ad6701.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.4dSZWVPXiXoopEpyvpwTP0CH467pqBfPyb3UlunFNno)
 改动后 
![image](https://private-user-images.githubusercontent.com/50894526/286555670-fdc0f5d1-614c-4fff-9b89-9b2baa7c6f31.png?jwt=eyJhbGciOiJIUzI1NiI
 
sInR5cCI6IkpXVCJ9.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.7qvHLmBCWGPNLzdx2LWZQBpniZV2sdoYQgRRBolFk9U)
   > 
   > Can you task a PR to fix it?
   
   非常乐意！我之前没提过PR，我尝试提一个，要是有什么问题还请多多指教。


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