Geronimo Plugins, Hot Deploy :: Deployer
· The hot deployer is a bad substitute for using explicit deploy commands from maven, the command line, or the console.
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 hot-deployer-3.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
