How to handle different return types from Future and ExecuteService invokeAll() ?

Introduction Recently I had to stumble upon a requirement to optimize my code to perform parallel calls to multiple downstream systems returning different response objects and stitch to a specific…

Validating integrity of files with md5 checksum

Introduction An MD5 checksum is a 32-character hexadecimal number that verifies 128-bit MD5 hashes on a file. If two files have the same MD5 checksum value, then there is a high probability that…

Configuring Centralized logging with Kafka and ELK stack

Introduction In real world, any production incident soon turns out to be scary when we have to go through hell lot of logs. Some times it will be very difficult to replicate the issue by analyzing…

Uploading files to MinIO Cloud Native Object Store from Quarkus RESTful API

Introduction This article is extension of Creating RESTful API + Event-driven Microservice with Quarkus . We shall go through steps on introducing new REST-endpoint for uploading Catalogue Item Image…

A Step by Step guide on Implementing & Dockerizing React CRUD RESTful API Integrated Application

Introduction This article focuses on implementing React based frontend application to perform CRUD operations on backend API which exposes these operations as RESTful APIs. There are lot of online…

A Step by Step guide to create RESTful + Event-driven Microservice using Quarkus + JPA with Postgres database

Introduction This article focuses on implementing a microservice application which includes RESTful APIs and event-driven interactions. Application is built using Quarkus , which is a container-first…

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