Create GWT applications on JBoss AS

This tutorial shows how to create Google Web Toolkit applications (GWT) using Eclipse and how to deploy them on WildFly. In the second part of this tutorial, we will show also how to interact with application server serices like RESTful Web services.

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Getting started with GraphQL on WildFly

This tutorial will introduce you to the GraphQL Microprofile specification covering the basics of this emerging technology and showing a full example application developed on WildFly application server, which is a Microprofile compatible runtime environment. GraphQL is a specialized query language with a syntax that defines the process of data-request and is useful when conveying … Read more

Tuning Java applications on Linux

This article discusses which are the best strategies to tune a Linux machine where you are running Java applications. We will first cover the best tools you can use for your analysis and then we will pinpoint the single OS aspects.

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Creating an Elytron Security Realm for WildFly

Elytron is WildFly’s security framework which has replaced the PicketBox legacy security system. In this tutorial we will have an overview of it and learn how to create a sample Elytron File System Realm to secure applications. Next, we will learn how to encrypt the content of Identities in the File System.

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One to Many Hibernate/JPA example

In this article we will learn how to implement a One to Many Entity Relation between two objects in an Hibernate/JPA application. One to Many overview In RDBMS terms, a one-to-many relationship exists when one record in table A may be linked with many records in table B. On the other hand, one record in … Read more

How to code a Quarkus REST Client

This article is a walk through Quarkus REST Client API using MicroProfile REST Client. We will develop a basic REST Endpoint and then we will set up a simple Client project with a Service interface for our REST Service.

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