WebFlux Flow Chart

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This post explains the flow of WebFlux request processing through detailed sequence diagrams.

1. Request (Before Receive Request Body)

2. Request (After Receive Request Body)

3. Process Request Body

4. Process Response Body

Summary

The WebFlux flow can be divided into four main phases:

1. Request Reception: Netty handles the initial HTTP request and passes it to ReactorNetty
2. Request Processing: The request flows through WebFlux’s handler chain
3. Request Body Processing: The request body is read and deserialized
4. Response Processing: The response is serialized and sent back to the client

Each phase involves multiple components working together to provide reactive, non-blocking HTTP processing capabilities.