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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/07/29 03:08:18 UTC

[GitHub] [dubbo] pangshuqiang opened a new issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

pangshuqiang opened a new issue #8365:
URL: https://github.com/apache/dubbo/issues/8365


   - [* ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
   - [ ] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.
   
   ### Environment
   
   * Dubbo version: 3.0.1
   * Operating System version: all
   * Java version: 11
   
   ### Steps to reproduce this issue
   
   1. 在Dubbo3.0.1，对 `RpcContext.getContext()` 提示` 'getContext()' 已经过时了`；
   2. 更换成 `RpcContext.getServerContext()` ，在Consumer设置setAttachment值，从Provider获取getAttachment值为空 null ；
   
   Consumer
   ![图片](https://user-images.githubusercontent.com/28327645/127425198-85e54845-8d57-4b63-b077-6457539dd271.png)
   
   ![图片](https://user-images.githubusercontent.com/28327645/127425037-b3b2a397-ba5f-4c03-ab01-2a8b5bd1e66b.png)
   
   Provider
   ![图片](https://user-images.githubusercontent.com/28327645/127425235-d0ca8e61-4f4d-4409-b728-fd51b8eb8a9d.png)
   
   ![图片](https://user-images.githubusercontent.com/28327645/127424539-47df3263-a6d2-4201-8acd-7c323fc4245b.png)
   
   不知道是不是我使用的 “RpcContext.getServerContext()” 不对？还是说新版的需要通过实现Listener才行？
   
   还望指点指点，谢谢。
   


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[GitHub] [dubbo] pangshuqiang commented on issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

pangshuqiang commented on issue #8365:
URL: https://github.com/apache/dubbo/issues/8365#issuecomment-888779299


   > 
   > 
   > Consumer 端使用 getClientAttachment，Provider 端使用 getServerAttachment，Consumer 端获取 Provider 端返回上下文使用 getServerContext。
   > 
   > getClientAttachment ( A --> B , in A side)
   > getServerAttachment ( A --> B , in B side)
   > getServerContext ( A <-- B , in B side)
   
   
   
   > 
   > 
   > Consumer 端的 ClientAttachment 会传递到 Provider 端的 ServerAttachment，Provider 端的 ServerContext 会传递回 Consumer 端的 ServerContext
   
   谢谢，昨天也测试过 Consumer 端通过 getClientAttachment.setAttachment 传递，在 Provider 端通过 getServerAttachment.getAttachment 获取值，也是没能拿到，我当时也觉得纳闷，估计是撸码头晕了，回头我再试一次，再次感谢。


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[GitHub] [dubbo] CrazyHZM closed issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

CrazyHZM closed issue #8365:
URL: https://github.com/apache/dubbo/issues/8365


   


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[GitHub] [dubbo] AlbumenJ commented on issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

AlbumenJ commented on issue #8365:
URL: https://github.com/apache/dubbo/issues/8365#issuecomment-888771293


   Consumer 端的 ClientAttachment 会传递到 Provider 端的 ServerAttachment，Provider 端的 ServerContext 会传递回 Consumer 端的 ServerContext


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[GitHub] [dubbo] pangshuqiang commented on issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

pangshuqiang commented on issue #8365:
URL: https://github.com/apache/dubbo/issues/8365#issuecomment-888894281


   ### 》》》》》 Consumer 端的 ClientAttachment 会传递到 Provider 端的 ServerAttachment，Provider 端的 ServerContext 会传回递 Consumer 端的 Result
   
   补充一下测试结果，如下：
   
   /******* Consumer setValue --> Provider  getValue *********/
   **Consumer：**`RpcContext.getClientAttachment().setAttachment(WebConstEnum.Model.TP_NUM, MDC.get(WebConstEnum.Model.TP_NUM));`
   **Provider ：**`RpcContext.getServerAttachment().getAttachment(WebConstEnum.Model.TP_NUM);`
   
   /******** Provider  setValue --> Consumer getValue *********/
   **Provider ：** `result.setAttachment(WebConstEnum.Model.TIMESTAMP, "" + l);`  
   or `RpcContext.getServerContext().setAttachment(WebConstEnum.Model.TIMESTAMP, ""+System.currentTimeMillis());`
   **Consumer：**`result.getAttachment(WebConstEnum.Model.TIMESTAMP, "-1");`
   
   非常感谢 @AlbumenJ ，thank you！


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[GitHub] [dubbo] CrazyHZM commented on issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

CrazyHZM commented on issue #8365:
URL: https://github.com/apache/dubbo/issues/8365#issuecomment-925487515


   @pangshuqiang 
   I think the problem has been resolved, please close issues temporarily, if you have other issues, you can reopen issues


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[GitHub] [dubbo] AlbumenJ commented on issue #8365: Dubbo3.0.1，提示`RpcContext.getContext()`已过期，更换`RpcContext.getServerContext()` 缺无法获取到值

Posted by GitBox <gi...@apache.org>.

AlbumenJ commented on issue #8365:
URL: https://github.com/apache/dubbo/issues/8365#issuecomment-888770975


   Consumer 端使用 getClientAttachment，Provider 端使用 getServerAttachment，Consumer 端获取 Provider 端返回上下文使用 getServerContext。
   
   getClientAttachment ( A --> B , in A side)
   getServerAttachment ( A --> B , in B side)
   getServerContext ( A <-- B , in B side)


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