6mmLIU opened a new pull request, #16070:
URL: https://github.com/apache/dubbo/pull/16070

   ## What is the purpose of the change?
   
   Fix the issue where RpcInvocation's copy constructor shares the same 
attributes map with the source invocation.  
   This causes cloned invocations to be affected by later mutations to the 
original attributes, which is unexpected for a deep clone.  
   The change clones the attributes map and adds a unit test to verify the 
behavior.
   
   Fixes #16069
   
   ## Checklist
   - [x] Make sure there is a 
[GitHub_issue](https://github.com/apache/dubbo/issues/16069) field for the 
change.
   - [x] Write a pull request description that is detailed enough to understand 
what the pull request does, how, and why.
   - [x] Write necessary unit-test to verify your logic correction. If the new 
feature or significant change is committed, please remember to add sample in 
[dubbo samples](https://github.com/apache/dubbo-samples) project.
   - [x] Make sure gitHub actions can pass. [Why the workflow is failing and 
how to fix it?](../CONTRIBUTING.md)
   


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