Latest Articles

22 November 2013

In this tutorial we will see how to use JSF panelGroup as a container to other JSF components.

JSF panelGroup may be used as a container to other JSF components. Basically it will render a div or a span depending on the configuration we set. Read more

JSF commandButton example

02 November 2013

This tutorial belongs to a series of articles that will describe the available UI controls and components in JSF. In this article we will cover JSF commandButton.

We start this article by defining a JSF view containing a simple form. The form submission will be triggered by a commandButton: commandButton example <!DOCTYPE html> <html xmlns="htt... Read more

java-ee jsf mvc web

How to cache component rendering in JSF example

29 October 2013

In this tutorial we will see how to cache component rendering in JSF.

Caching mechanisms are commonly used in web applications, especially when we have sections of a web page that are frequently accessed and the displayed content within those sections is not subject to ... Read more

java-ee jsf mvc omnifaces web

How to remove included resources in JSF example

23 October 2013

In this tutorial we will see how to remove included resources (like JavaScript and CSS style sheets) in JSF.

Sometimes one may need to remove resources included by JSF like JavaScript files or CSS style sheets. The resources may be the ones included by JSF itself or by some other external library like Primef... Read more

java-ee jsf mvc web

How to configure JSF in Tomcat example

18 October 2013

In this tutorial we will see how to configure JSF in Tomcat.

Since Tomcat is not a fully fledged Java EE container we must do some additional configuration steps in order to run JSF applications. In this tutorial we will see how to do it. This tutorial consider... Read more

java-ee jsf mvc tomcat web

How to configure multiple Java web applications in New Relic

21 September 2013

In this tutorial we will see how to configure multiple Java web applications in New Relic

When we configure the New Relic agent to monitor our Java based application server it will by default aggregate all deployed web applications in a single application and show the corresponding aggrega... Read more

apm configuration java new-relic web

Java EE HTML5 WebSockets Encoder and Decoder example

10 September 2013

In this tutorial we will implement a Java EE ServerEndpoint message Encoder and Decoder in order to convert HTML5 websocket messages into Java objects (and also the reverse operation of converting Java objects into ready to be sent websocket messages).

As we have seen in previous examples a ServerEndpoint is the Java EE implementation of the server-side HTML5 websocket component: Java EE HTML5 WebSocket exampleJava EE HTML5 WebSockets with multiple ... Read more

html5 io java java-ee web websockets

JAAS logout example

31 August 2013

In this tutorial we will see how to logout users authenticated via JAAS.

Following the first couple of articles related with JAAS, some readers requested a new article about the JAAS logout process. This article will show how to logout users authenticated via JAAS and will... Read more

jaas java security tomcat web

About the author

Gonçalo Marques is a Software Engineer with several years of experience in software development and architecture definition. During this period his main focus was delivering software solutions in banking, telecommunications and governmental areas. He created the Bytes Lounge website with one ultimate goal: share his knowledge with the software development community. His main area of expertise is Java and open source.

GitHub profile: https://github.com/gonmarques

He is also the author of the WiFi File Browser Android application: