Category: Java

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Let’s meet Jakarta EE

The Eclipse Foundation is in charge of the EE specification in the Java world. So, let’s say Hello to Jakarta EE.

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Friendly URL in JSF with a simple “Rewrite-Url”

This is a very simple rewrite url library for JSF. It allows you to create friendly url in your JSF applications. It maps simple URL to its “nice to see” new urls in a 1:1 way, doesn´t have functionally for patterns or more complex ways to map the urls.

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GraalVM – One VM to rule them all (the programming languages)

GraalVM is a Virtual Machine that is able to execute code from different programing languages. If you are a Java Developer this might sound familiar to you, you can run application in Java, Scala, Kotlin, Clojure based in the JVM platform. But, GraalVM is able to run other languages like Java Script, Node JS, Ruby, Python, R, and even C++.

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How to deal with the Java OutOfMemoryError or a Memory Leak

Last days I was working in analyzing some reported OutOfMemoryError in a JVM application, that’s why I decided to share some information about how to deal with it. The first thing many people have in mind when they see an OutOfMemoryError is that we might have in front of a Memory Leak, a quick answer to that is that maybe yes but maybe not. So, let’s try to determine the...

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Creating a Socket Client Pool in Java

Some time ago I needed to create a pool of Socket connections for a customer. First thing I tried to do was to google it and find a library that already provided what I needed. Unfortunately I wasn´t able to find one that fits with my needs. Therefore I had to create an artifact that resolved that issue at the moment. What do I need to create a Socket Pool...