The Servlet 4.0 specification is out and Tomcat 9.0.x does support it. Time to dive into Tomcat 9. Prerequisite: Java Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that first. As I’m writing this, Java 11.0.1 is the latest version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Easy to […]
java
From the Docks to the Gate
This is a story about a simple web-service that answers only one question: if a given number is prime. The core problem is first solved with a Java class, which is then wrapped into a WebServlet and tested within a web server environment. The web server, however, does not get directly installed, but a docker […]
Installing Java on macOS 10.15 Catalina
Since OS X 10.7 Java is not (pre-)installed anymore, let’s fix that. As I’m writing this, Java 11.0.4 is the latest version and AdoptOpenJDK is one of the best places to find Prebuilt OpenJDK Binaries. Easy to follow details about how to install OpenJDK are available here. However, the easiest way is to select OpenJDK 11 (LTS), […]
Configuring multiple SSL certificates for a single Tomcat connector
Sometimes you may want the same Tomcat instance to respond to requests for more than just one hostname. For HTTP this can easily be accomplished, by mapping those hostnames to the same IP address, using the tools provided by your registrar. Supporting HTTPS for multiple hosts is more involved since the SSL certificates need to […]
Installing an SSL Certificate on Tomcat
If you have Tomcat installed on your Mac or Linux computer, like I have shown here and here, you may sooner or later want to serve content not only through HTTP, but also securely through HTTPS. Instead of going the self-signed certificate route, where the certificate is signed with its own private key, I’m describing […]