Sorting Your Beans With Spring OrderComparator

Sometimes you may need to execute your collection of beans in a a specified order. For example, in one of our projects, we have collection of EventHandlers which operate on when certain Events occur. For each event there might be more than one EventHandler instance that need to operate on. Most of the time it […]

Reassociated object has dirty collection reference

This is something really weird Hibernate error you may come up in several situations. When I first googled around, I found some sites commenting the source of error as “trying to attach a transient entity with the session, or entity with a collection not in type of PersistentCollection etc.” However, none of those cases maches […]