It's a secret to everyone.
Install JDK 8 https://www.oracle.com/java/technologies/javase/javase-jdk8-downloads.html Install Tomcat 9 https://tomcat.apache.org/download-90.cgi Install Eclipse Java EE https://www.eclipse.org/downloads/packages/
Create a workspace folder separate from where this repo is cloned Load this folder into Eclipse Import the project as an "existing maven project" Right click the project, Go to Run As, Run Configurations Click Maven Build, then create new Enter ${workspace_loc:/forum} into base directory Enter clean install into Goals Check skip Tests On the JRE tab, set the alternate JRE to jdk 1.8 Click Apply, then Run to build the .war Go to the servers tab and add a new Tomcat 9 server Deploy the project to the server Clean the server then start in debug mode