CAICAIIs opened a new issue, #15567:
URL: https://github.com/apache/dubbo/issues/15567

   ### Pre-check
   
   - [x] I am sure that all the content I provide is in English.
   
   
   ### Search before asking
   
   - [x] I had searched in the 
[issues](https://github.com/apache/dubbo/issues?q=is%3Aissue) and found no 
similar feature requirement.
   
   
   ### Apache Dubbo Component
   
   Java Samples (apache/dubbo-samples)
   
   ### Descriptions
   
   ### Background  
   `AsyncRpcResult` is the key class for asynchronous calls in Dubbo Java SDK, 
but the official dubbo-samples repository does not contain any test case or 
example to demonstrate its correct usage. This makes it hard for users to 
understand how to:
   
   1. Obtain the result via AsyncRpcResult after an async call.
   2. Handle timeout and exceptions properly.
   3. Ensure compatibility across Dubbo versions.
   
   ### Proposal  
   Create a new sub-module `dubbo-samples-async-result` under `2-advanced/` 
with:
   
   - A provider that exposes an async service.
   - A consumer that uses AsyncRpcResult to get the response and handle 
timeout/exception.
   - Docker-based integration tests similar to existing samples 
(`dubbo-samples-annotation`, etc.).
   
   ### Acceptance Criteria  
   - [ ] New module builds and passes `./test/run-tests.sh 
2-advanced/dubbo-samples-async-result`.
   - [ ] README explains how to run the demo and the key points of 
AsyncRpcResult.
   - [ ] No breaking changes to existing samples.
   
   ### Volunteer  
   I’m willing to submit a PR once the feature request is accepted.
   
   ### Related issues
   
   _No response_
   
   ### Are you willing to submit a pull request to fix on your own?
   
   - [x] Yes I am willing to submit a pull request on my own!
   
   ### Code of Conduct
   
   - [x] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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