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

Wed, 29 Nov 2023 22:13:08 -0800 


EarthChen commented on issue #13363:
URL: https://github.com/apache/dubbo/issues/13363#issuecomment-1833167524

   > ## 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.eyJp
 
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.ssr65lkDb4n1hVNeZkTuCXxwZ4kY_Ys1g5dTRHL22cM)
 
![image](https://private-user-images.githubusercontent.com/50894526/286464019-57a4953d-461a-472b-96c5-9c86ea93a538.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTEiLCJleHAiOjE3MDEzMjUwMTQsIm5iZiI6MTcwMTMyNDcxNCwicGF0aCI6Ii81MDg5NDUyNi8yODY0NjQwMTkt
 
NTdhNDk1M2QtNDYxYS00NzJiLTk2YzUtOWM4NmVhOTNhNTM4LnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFJV05KWUFYNENTVkVINTNBJTJGMjAyMzExMzAlMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjMxMTMwVDA2MTE1NFomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTFjY2U2ZmU3NzljNGRlMTU0NDQ3YjE3MDAwOGQwNGIwODEzNjMxODAwZGEyZDQ4OTE1OGRjYmRjNzNhOTgyMzkmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0JmFjdG9yX2lkPTAma2V5X2lkPTAmcmVwb19pZD0wIn0.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.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTEiLCJleHAiOjE3MDEzMjUwMTQsIm5iZiI6MTcwMTMyNDcxNCwicGF0aCI6Ii81MDg5NDUyNi8yODY1NDE2MTQtM2MxMmI5ZjAtNzlhMi00MTE0LWFhMTMtZTA3MGI2YWQ2NzAxLnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFJV05KWUFYNENTVkVINTNBJTJGMjAyMzExMzAlMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjMxMTMwVDA2MTE1NFomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPWVlOGU4MTJhZGM0ZjcwYzQyOTVjZjZiZmY2ZmVjMTk1YWVhMWEyNzY2OThhZDEyMDU0MTk5NjdkMTE5NjI1ZDUmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0JmFjdG9yX2lkPTAma2V5X2lkPTAmcmVwb19pZD0wIn0.4dSZWVPXiXoopEpyvpwTP0CH467pqBfPyb3UlunFNno)
 改动后 
![image](https://private-user-images.githubusercontent.com/50894526/286555670-fdc0f5d1-614c-4fff-9b89-9b2baa7c6f31.png?jwt=eyJhbGciOiJIUzI1NiIsI
 
nR5cCI6IkpXVCJ9.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.7qvHLmBCWGPNLzdx2LWZQBpniZV2sdoYQgRRBolFk9U)
   
   Can you task a PR to fix it?


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