Could not open connection with MySQL and Hibernate

Fri 09 March 2018

Last day I decided to deploy a MySQL Docker image to work with my Java application. I've been using PostgreSQL instead and have no problems at all, but after I moved to MySQL, the app didn't connect anymore with the database and throw some "Could not open connection" at my …

Solving java.net.SocketException: Protocol family unavailable on a Java + Docker + WildFly

Sun 04 March 2018

On the last days I've been playing with WildFly Swarm and I decided to deploy a simple app with Docker. Should work fine, at least that was what I thought. Built a container with the following Dockerfile and instead of a working web app, all that I got was the …

Java - Files.readAllBytes throws OutOfMemory

Sat 17 February 2018

When you need to interact with files, there's the possibility to read all bytes from the file with Files.readAllBytes. But be aware of the kinds of files your application will deal with because the Java API files have a limit for the buffer that is defined as Integer.MAX_VALUE …