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https://github.com/piomin/sample-spring-webflux

testing webclient reactive communication with spring boot reactive application built on top of spring webflux
https://github.com/piomin/sample-spring-webflux

backpressure netty reactive-streams reactor spring-boot spring-webflux webclient

Last synced: 9 days ago
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testing webclient reactive communication with spring boot reactive application built on top of spring webflux

Host: GitHub
URL: https://github.com/piomin/sample-spring-webflux
Owner: piomin
Created: 2019-10-31T15:26:45.000Z (about 5 years ago)
Default Branch: master
Last Pushed: 2024-10-24T19:40:06.000Z (12 days ago)
Last Synced: 2024-10-26T06:23:24.949Z (10 days ago)
Topics: backpressure, netty, reactive-streams, reactor, spring-boot, spring-webflux, webclient
Language: Java
Homepage: https://piotrminkowski.com/
Size: 34.2 KB
Stars: 30
Watchers: 2
Forks: 22
Open Issues: 1
Metadata Files:
- Readme: readme.md

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README

        ## Spring WebFlux and Reactive WebClient Demo Project [![Twitter](https://img.shields.io/twitter/follow/piotr_minkowski.svg?style=social&logo=twitter&label=Follow%20Me)](https://twitter.com/piotr_minkowski)

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In this demo project you may examples of reactive endpoints built on top of Spring WebFlux, and using `WebClient` for calling other resources.

1. Explaining different communication models in reactive application with Spring WebFlux. Differences between standard `application/json` content type and `application/stream+json`. Introduction to back pressure term. Detailed description can be found here: [Using Reactive WebClient with Spring WebFlux](https://piotrminkowski.com/2019/11/04/using-reactive-webclient-with-spring-webflux/)

2. A detailed analyse of threading and concurrency model used by Spring WebFlux and Reactor Netty. It also threats about `WebClient` and Spring Boot Actuator pooling. A detailed description can be found here: [A Deep Dive Into Spring WebFlux Threading Model](https://piotrminkowski.com/2020/03/30/a-deep-dive-into-spring-webflux-threading-model/)

### Guide

Required:

1. JDK 11+

2. Maven

How to run ?

`mvn clean install`

There are two JUnit tests: `PerformanceSpringWebFluxTest` and `SampleSpringWebFluxTest`.

To provide some standalone tests just run the main class `SampleSpringWebFluxApp`.

For generating some traffic to the application run application `SendingApp`. It runs `MockWebServer` on localhost:8082 in order to mock downstream service called by `WebClient` and than calls endpoints exposed by the application usung `TestRestTemplate`.