Javalin Plug-Ins for Secure Connections

Specifically, this includes handling a REST resource which uses a self-signed certificate.

An updated look at Jetty secure connections for use in a Javalin web app. This includes redirection of all insecure (http) traffic to a secure (https) connection.

Printing UTF-8 characters to the NetBeans output window used to require some extra set-up - for Windows-based users, at least. It still does, but the steps have changed slightly for more recent versions of Java.

This is an update to a recent write-up, showing a better way to create a custom route in Javalin…

You don’t need a full Spring framework application to take advantage of Spring’s dialect of Thymeleaf. But you may need to make some non-trivial configuration changes to your application, depending on how it integrates with Thymeleaf (and its standard dialect).

Another Windows command I always have to look up every time I need to use it.

I wanted to set up a “maintenance mode” for a web application built on Javalin. That is, when the site is in maintenance mode, all normal routes are ignored (and the user sees a single “in maintenance” page), unless that user logs in as a site administrator.

MySQL on Linux - Unable to update packages for version 8.0.28 and later, due to incorrect GPG key.

Handling a deprecation warning when upgrading Thymeleaf from 3.0 to 3.1.