OPS4J Pax JPA Karaf Features
· Pax JPA module creating a features xml file to deploy Pax JPA components as features in Apache Karaf.
To use this feature enter the following in your Karaf shell -
feature:repo-add mvn:org.ops4j.pax.jpa/pax-jpa-features/${project.version}/xml/features
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 pax-jpa-features-0.3.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.