Geronimo :: Welcome Application
· This is a very simple application that is intended to serve as the default page
that can be viewed when the server is first installed so that someone can see
that the installation is working.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window geronimo-welcome-1.1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.