F.Marchioni I have updated this tutorial to show how to use the hawtio console as opensource monitoring solution for any JVM middleware, like JBoss Enterprise applicaiton server / WildFly or any Java process which exposes metrics via JMX Most of you would argue why we need to learn another management console, when we are just fine … Read more
One of the main advantages of using clustered Session Beans is that load can be spread across several cluster members. This by default happens on a random basis. Today we will learn how to customize the Session bean load balancing in WildFly or JBoss EAP 6. By default, calls from a client to a cluster … Read more
In this post I will explain how to use Java Reflection to extract PrimeFaces models from POJO classes. Specifically we will create a dynamic DataTable using the p:columns component. Setup Using reflection could be quite tediuos, luckily for us theres the Apache Commons BeanUtils API. This library helps us to dynamically read the properties of our … Read more
The purpose of this post is to explain how to work with Spark: a micro-framework that let us quickly create a REST services layer. Spark is the Java porting of Sinatra: famous micro-framework written in Ruby. With Spark its possible to start a REST web server with a few lines of code, as we can … Read more
There are actually many free and opensource tools for monitoring the jboss/wildfly application server. In this article we will learn how to create a monitoring shell using as little as jboss cli and bash and awk. In some scenarios you have to monitor one or two key attributes of the application server configuration and receive … Read more
This tutorial describes how you can configure the ActiveMQ 5 resource adapter on WildFly with a few simple steps. [Please note, if you want to integrate ActiveMQ Artemis, then check this tutorial: How to connect WildFly to a remote ActiveMQ Artemis server?] A Resource adapter is a Java EE component that implements the Connector architecture (JCA) … Read more
This tutorial has been updated, thanks to the suggestions received on developer.jboss.org. We thank our readers for reporting any issue found in our tutorials. This is the second article about WildFly clustering API. You can read here the first tutorial: Monitoring a cluster using WildFly API. In this article we will learn how to execute commands … Read more
One of the most compelling needs of applications is to read initialization properties. If your application is EJB-centric, then a very simple strategy is to read the properties from a File and store them in an EJB Singleton. Here is how to do it. At first here is how our application looks like: DemoApp.war | … Read more
Today I’ve found one interesting question on StackOverFlow of one user asking to read the web.xml context params from a CDI Bean. Luckily it’s not complicated at all to accomplish this task. In order to be able to read the web.xml context-params from a CDI Bean all you need to do is injecting the ServletContext … Read more
This is the last of a series of posts (Extending PrimeFaces components is the first one, here the second one) with the purpose of explaining how to use PrimeFaces as an API to create new JSF components. Our main focus in this article is to add AJAX listeners to our components. The component that we are going … Read more