Fix: serialize exception response

[JoeCqupt]

Why make this change?

https://github.com/sofastack/sofa-bolt/blob/master/src/main/java/com/alipay/remoting/rpc/protocol/RpcRequestProcessor.java#L180

response forgot to serialize

Summary by CodeRabbit

• Bug Fixes
  • Improved exception handling in RPC requests by adding serialization of responses for exceptions, along with error logging for serialization failures.
• Tests
  • Added tests to verify the handling of Throwable during response serialization, ensuring robust error management.

[JoeCqupt]

@chuailiwu PTAL

@OrezzerO @nobodyiam

[OrezzerO]

@JoeCqupt Great! I will appreciate if you could add a unit test for it.

[coderabbitai]

Walkthrough

The recent changes involve enhancing the error handling and logging mechanisms within an RPC framework. Specifically, adjustments were made to re-serialize responses in the event of exceptions and to rigorously test the serialization of Throwable responses. This ensures more robust error reporting and handling, improving the framework's reliability and debugging capabilities.

Changes

File Path	Change Summary
.../rpc/protocol/RpcRequestProcessor.java	Added re-serialization of responses for exception handling and error logging for serialization failures.
.../rpc/serializer/ClassCustomSerializerTest.java	Introduced tests for Throwable response serialization, including necessary imports for testing components.

🐰✨
In the realm of code where the data streams flow,
A rabbit hopped in, with changes in tow.
"Let's catch those errors," it said with a grin,
"And log them all neatly, let the debugging begin!"
With tests now in place and exceptions caught tight,
Our rabbit hops off, into the night. 🌙
✨🐰

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[coderabbitai]

Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 829be55 and fabfee6.

Files selected for processing (2)

• src/main/java/com/alipay/remoting/rpc/protocol/RpcRequestProcessor.java (1 hunks)
• src/test/java/com/alipay/remoting/rpc/serializer/ClassCustomSerializerTest.java (3 hunks)

Additional Context Used

Additional comments not posted (3)

src/main/java/com/alipay/remoting/rpc/protocol/RpcRequestProcessor.java (1)

182-187: The changes to re-serialize the response in case of an exception and log an error if this fails are sensible. It ensures robust error handling by guaranteeing that even error responses are properly serialized before being sent. However, it would be beneficial to add a comment explaining the rationale behind re-serializing the response for future maintainers.

src/test/java/com/alipay/remoting/rpc/serializer/ClassCustomSerializerTest.java (2)

23-28: The added imports for AtomicBoolean, DefaultCustomSerializer, ResponseCommand, InvokeServerException, and RpcServerException are necessary for the new test method and are correctly placed. Good job ensuring that only the required imports are added.

---

309-346: The testResponseSerialThrowable method is well-implemented, effectively testing the serialization of a response when a Throwable is thrown. The use of AtomicBoolean to track serialization attempts is appropriate. To improve maintainability, consider adding comments explaining the purpose of the test and the significance of each assertion. This will make it easier for future maintainers to understand the test's intent and logic.

[JoeCqupt]

@JoeCqupt Great! I will appreciate if you could add a unit test for it.

done

[chuailiwu]

lgtm