Keep this module as the last one in the list
· nexus-staging-maven-plugin requires the last module to be not skipped for deployment
See: https://help.sonatype.com/repomanager2/staging-releases/configuring-your-project-for-deployment
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 dummy-module-2.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
