Ketone Maniac

What is that Error Object from Spring Boot REST API?

Written by Ketone Maniac

For those working with Spring Boot REST API, there should be already countless occasions that you have encountered errors like this: ``` { "timestamp": "2022-01-19T14:36:29.443+00:00", "...

Will this Flux break?

Written by Ketone Maniac

Let me start with a question: Will this Flux break? ``` public static void main(String[] args) { Flux.interval(Duration.ofMillis(100)) .concatMap(i -> Mono.just(i) .delayElement(...

Kafka Messaging with Spring 101

Written by Ketone Maniac

My first serious application using Kafka is Spring Cloud Functions with Webflux. While exploring its (lack of) documentation and related tutorials, I turned out finding lots of stuff along t...

Organising Common Code via Spring Annotations and Bean Registry

Written by Ketone Maniac

# Motivation The project that I work on is a vast net of 40+ microservices, mainly divided into * Apps (those with UI code) * Services (all the heavyweight logic and interfacing downstream...

Reactor onErrorContinue VS onErrorResume

Written by Ketone Maniac

This seems one of the hot searches for Reactor, at least when I type onErrorContinue in Google, onErrorResume would pop up beside it. Let me paste my testing code with some of my interpretat...