Next DevNation Live: Your Journey to a Serverless World—An Introduction to Serverless, June 7th, 12pm EDT

Join us for the next online DevNation Live on June 7th at 12pm EDT for Your Journey to a Serverless World—An Introduction to Serverless, presented by Kamesh Sampath and hosted by Burr Sutter.  Serverless computing is an emerging architecture that represents a shift in the way developers build and deliver software systems. By removing application infrastructure concerns, development and deployment are simplified, allowing developers to focus on writing code that delivers value.  Additionally, operational costs can be reduced by only consuming resources when needed to respond to application events.

In this session, we’ll learn what serverless is and what it means to a developer. Then, we’ll quickly deploy a serverless platform using Apache OpenWhisk on Kubernetes. Using this platform, we’ll demystify which Java™ programming model you should use in a serverless environment. And finally, we’ll look at tools that can make your serverless journey quick, easy, and productive.

Register now and join the live presentation at 12pm EDT, Thursday, June 7th.

Session Agenda

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Next DevNation Live: Jakarta EE: The Future of Java EE, May 3rd, 12pm EDT

In case you missed it, Jakarta EE is officially out! Java EE was given a new home at the Eclipse Foundation and on February 26, 2018 Jakarta EE was chosen as the new name for Java EE. Join us at the next online DevNation Live Tech Talk on Thursday, May 3rd at 12pm EDT. The topic is “Jakarta EE: The Future of Java EE” presented by Dr. Mark Little, and hosted by Burr Sutter.

Java EE has been the dominant enterprise Java standard for well over a decade. With the release of Jakarta EE, we all have a chance to collaborate and build on the good things it inherits, while working to evolve those pieces that were perhaps never quite what was needed.

What does this mean for the future of enterprise Java and traditional Java application servers? Join us to gain an understanding of where Jakarta EE is heading and how you can help drive the future of enterprise Java.

Register now and join the live presentation at 12pm EDT, Thursday, May 3rd.

Session Agenda

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What Does the New JBoss EAP CD Release Stream Mean for Developers?

A new release stream of Red Hat JBoss Enterprise Application Platform is now available: JBoss EAP continuous delivery (JBoss EAP CD).

JBoss EAP CD provides rapid incremental releases of new JBoss EAP capabilities approximately every quarter and is delivered only in Red Hat OpenShift image format.

What does this new JBoss EAP CD release stream mean for developers?

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Announcing new product updates of CDK 3.4, DevStudio 11.3, DevSuite 2.3

We’re extremely pleased to announce additions and updates to our suite of Red Hat Developers desktop tooling products, including Container Development Kit 3.4, JBoss Developer Studio 11.3, and our DevSuite 2.3 installer. These updates are a continuation of our efforts to increase developer usability, while adding new features that matter most for users of Red Hat platforms and technologies.

New features in this release

This release has the following updated tools:

Highlights

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Announcing Developer Studio 11.3.0.GA, JBoss Tools 4.5.3 for Eclipse Oxygen.3a

The community editions of JBoss Tools 4.5.3 and JBoss Developer Studio 11.3 for Eclipse Oxygen.3a are here waiting for you. Check it out!

Installation

JBoss Developer Studio comes with everything pre-bundled in its installer. Simply download it from our JBoss Products page and run it like this:

java -jar jboss-devstudio-<installername>.jar

JBoss Tools or Bring-Your-Own-Eclipse (BYOE) JBoss Developer Studio require a bit more:

This release requires at least Eclipse 4.7 (Oxygen) but we recommend using the latest Eclipse 4.7.3a Oxygen JEE Bundle since then you get most of the dependencies preinstalled.

Once you have installed Eclipse, you can either find us on the Eclipse Marketplace under “JBoss Tools” or “Red Hat JBoss Developer Studio”.

For JBoss Tools, you can also use our update site directly.

http://download.jboss.org/jbosstools/oxygen/stable/updates/

What is new?

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Jakarta EE

Jakarta EE is officially out

Jakarta EE is officially out! OK, given the amount of publicity and evangelizing we and others have done around EE4J and Jakarta EE over the past few months you would be forgiven for thinking it was already the case but it wasn’t… until today!

I cannot stress enough how important this is to our industry. The number of Java developers globally is estimated at over 14 million. The Java EE market is estimated at a high multi-billion Dollar value to the industry. Yes there are other languages out there and other frameworks but none of them have yet made the impact Java and Java EE has over the years. Of course Java EE was not perfect for a variety of reasons, but if you consider how much of an impact it has had on the industry given known and debated limitations, just imagine how much it can bring in the years ahead if it were improved.

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When Vert.x Meets Reactive eXtensions (Part 5 of Introduction to Vert.x)

This post is the fifth post of my Introduction to Eclipse Vert.x series. In the last post, we saw how Vert.x can interact with a database. To tame the asynchronous nature of Vert.x, we used Future objects. In this post, we are going to see another way to manage asynchronous code: reactive programming. We will see how Vert.x combined with Reactive eXtensions gives you superpowers.

Let’s start by refreshing our memory with the previous posts:

  • The first post described how to build a Vert.x application with Apache Maven and execute unit tests.
  • The second post described how this application became configurable.
  • The third post introduced vertx-web, and a collection management application was developed. This application exposes a REST API used by an HTML/JavaScript front end.
  • In the fourth post, we replaced the in-memory back end with a database and introduced Future to orchestrate our asynchronous operations.

In this post, we are not going to add a new feature. Instead, we’ll explore another programming paradigm: reactive programming.

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Some REST with Vert.x (Part 3 of Introduction to Vert.x)

This post is the third in a series on the Introduction to Eclipse Vert.x. So, let’s have a quick look back at the content of the previous posts. In the first post, we developed a very simple Eclipse Vert.x application and saw how this application can be tested, packaged, and executed. In the second post, we saw how this application became configurable and how we can use a random port in a test.

Well, nothing fancy… Let’s go a bit further this time and develop a CRUD-ish / REST-ish application. So an application exposing an HTML page interacting with the backend using a REST API. The level of RESTfulness of the API is not the topic of this post; I leave it you to decide as it’s a very slippery topic.

So, in other words, we are going to see:

  • Vert.x Web – a framework to let you create web applications easily using Vert.x.
  • How to expose static resources.
  • How to develop a REST API.

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Deploying a Spring Boot App with MySQL on OpenShift

This article shows how to take an existing Spring Boot standalone project that uses MySQL and deploy it on Red Hat OpenShift,  In the process, we’ll create docker images which can be deployed to most container/cloud platforms. I’ll discuss creating a Dockerfile, pushing the container image to an OpenShift registry, and finally creating running pods with the Spring Boot app deployed.

To develop and test using OpenShift on my local machine, I used Red Hat Container Development Kit (CDK), which provides a single-node OpenShift cluster running in a Red Hat Enterprise Linux VM, based on minishift. You can run CDK on top of Windows, macOS, or Red Hat Enterprise Linux.   For testing, I used Red Hat Enterprise Linux Workstation release 7.3. It should work on macOS too.

To create the Spring Boot app I used this article as a guide. I’m using an existing openshift/mysql-56-centos7 docker image to deploy MySQL to  OpenShift.

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Eclipse Vert.x Application Configuration (Part 2 of Introduction to Vert.x)

In my previous post, Introduction to Eclipse Vert.x, we developed a very simple Vert.x application and saw how this application can be tested, packaged, and executed. That was nice, wasn’t it? Well, that was only the beginning. In this post, we are going to enhance our application to support external configuration, and learn how to deal with different configuration sources.

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