Why need detached entities in JPA?

Question

There are always so many questions related to issues with detached entities!

First, they often cause LazyInitializationException in Hibernate. Yes, there ar

Answer 1

Detached entities exists only to minimize the time your data is locked due to a transaction, maximizing the number of simultaneous users. Of course, this comes with a cost, and you listed them. but since merging conflicts are usually rare, people accept some rare bugs.

You see, data conflics will always exist, but they occur less when the transaction is short :-)