EclipseLink Audit / History / Track changes
问题 i've tried to implement a way to track data changes and create a history log for my application. Because i'm using EclipseLink it should be easy and possible to get the changes like they write on the EclipseLink FAQ The first solution works but the second event based won't work. Everytime the event is raised the ObjectChangeSet is null. The reason why i'm not simply using HistoryPolicy is that i wan't to store information about the logged on user (not the db user) and the changed data to a