Latest Articles

Containerizing Your Spring Boot Application With Jib

Using Jib as a facilitator for building optimized images of our Spring Boot applications

November 13, 2020

by Diogo Silvério

· 15,897 Views · 7 Likes

How to Encrypt and Set Permissions for a PDF in Java

Encrypt a PDF document with a password, and set permissions on the PDF. Restrict or allow printing, copying content, document assembly, editing, etc.

November 13, 2020

by Brian O'Neill

CORE

· 6,427 Views · 2 Likes

How to Convert HEIC to JPG in Java

Convert between over 100 file formats, including key formats such as Photoshop (PSD), PNG, JPG, GIF, NEF, and BMP.

November 13, 2020

by Brian O'Neill

CORE

· 21,945 Views · 2 Likes

How to Build a Chat App With Spring Boot and DynamoDB

The goal of this article is to show the simplest chat implementation with one server and multiple clients based on Spring Boot and deployed to AWS.

November 13, 2020

by Bogdan Nechyporenko

CORE

· 7,280 Views · 4 Likes

Cloud-Events Kafka Binding With Spring

Utilize Kafka Protocol Binding for CloudEvents along with Spring-Kafka to easily produce and consume events in a common format.

November 13, 2020

by Will Kennedy

· 13,441 Views · 7 Likes

Deploy Maven Apps to Kubernetes With JKube Kubernetes Maven Plugin

Checkout how Eclipse JKube Kubernetes Maven Plugin makes creation of Docker Images and Deploying to Kubernetes seamless within your old Java workflow.

November 13, 2020

by Rohan Kumar

· 15,406 Views · 4 Likes

How to Handle Errors and Exceptions in Large Scale Software Projects

Just because you didn't find bugs during testing, doesn't mean they aren't there. Learn to handle unhandled exceptions as they occur.

Updated November 13, 2020

by Filip Dimitrievski

· 39,122 Views · 17 Likes

Resolve OutOfMemoryError With Excel Export in the Apache POI Stream API

Version 3.8 of Apache POI Stream API has a stream api that can solve your big issues when exporting a huge excel spreadsheet with 200K-300K rows of data.

Updated November 13, 2020

by Shidram BJ

· 69,668 Views · 11 Likes

DataWeave Logging — Print Logs From DataWeave2.0

This article is about printing the logs directly in the output console(after deployment) without using an additional logger component.

Updated November 13, 2020

by Nitish Jain

· 19,020 Views · 5 Likes

Adding Rich Output Options to a Full-Stack Application Using DocRaptor

Learn how to add DocRaptor to convert HTML to a PDF with advanced features, such as custom headers, footers, watermarks, and endless styling options.

November 13, 2020

by John Vester

CORE

· 74,149 Views · 6 Likes

Spring Boot Monitoring via Prometheus -Grafana

In this article, take a look at a tutorial on how to show your spring boot application metrics in Prometheus and Grafana.

November 13, 2020

by Murat Derman

· 24,810 Views · 3 Likes

Connected Car: Challenges and Opportunities for the Automotive Industry

In this article, take a look at the challenges and opportunities for the automative industry when it comes to connected car technology.

November 13, 2020

by Marcin Wisniewski

· 17,410 Views · 3 Likes

DevOps Versus Other ‘Ops’

DevOps does more than just combining Agile development concepts with IT operations. So, what are the other ‘Ops’ to consider? And how do they compare to DevOps?

November 12, 2020

by Stefan Thorpe

· 17,417 Views · 2 Likes

Lessons Learned While Building Near Real-Time Network Traffic Analyzer

How we built a real-time network traffic analyzer and what important points to pay attention to when developing high-performance network applications.

November 12, 2020

by Alex Moskvin

· 4,314 Views · 3 Likes

7 Tips to Achieve High-Availability(HA) For Your Maven Repository

Every company loves HA, simply because it makes their services available and more reliable at any given time. Here are seven tips to achieve HA.

Updated November 12, 2020

by Pavan Belagatti

CORE

· 17,256 Views · 3 Likes

Importance of Schema Registry on Kafka Based Data Streaming Pipelines

Schema Registry acts as a service layer for metadata. It stores a versioned history of all the schema of registered data streams and schema change history.

November 11, 2020

by Gautam Goswami

CORE

· 7,236 Views · 2 Likes