Sap Commerce cloud (hybris) Resetting Back office Configuration

 IF eclipse JAD is not showing the source code then use this technique

https://mkyong.com/java/java-decompiler-plugin-for-eclipse/

How to configure file associations

Below are the steps to configure the class without source to Class Decompiler Viewer.

1. In Eclipse IDE.
2. Clicks Window -> Preferences -> General -> Editors -> File Associations.
3. In File types section, select *.class without source.
4. Scroll down to the Associated editors section, select Class Decompiler Viewer, clicks Default button. If the Class Decompiler Viewer is missing, clicks Add button to add a new Class Decompiler Viewer. The key is to make this the default.
5. Click Apply and Close button.