Loading related entities with JPA and Hibernate is a comfortable feature that is also the most common reason for performance issues. In most applications you can find one of these two issues: related entities are eagerly loaded, even if they are not needed or related entities are lazily loaded which creates n+1 select issues if…
The Java world is evolving at a rapid pace and it can be challenging to keep track of it. Fortunately lots of great resources are created every week, explaining new features or looking at existing stuff from a different angle. I am using the Java Weekly series to collect the most interesting links I found during the…
Most Java EE applications are stateless and there are good reasons for it. But not all user interactions can be implemented in that way. Sometimes you need to model a conversation that consists of multiple steps, like the typical shopping cart or complex update operations. Doing this with JPA 2.0 always felt a little bit…
If you are implementing Java applications which store data in a database, the chances are pretty high that you are using Hibernate. And as you are reading this post, the chances are even higher 😉 Hibernate is by far the most popular JPA implementation and there are good reasons for it. Implementing the basic database access with Hibernate…
The GeeCON Prague 2015 took place last week on the 22nd and 23rd. And as you might already know, I had the pleasure to speak about performance tuning with Hibernate and JPA 2.1. It was a very well organized 2-day conference that took place in the CineStar Praha cinema. Have you had the chance to attend a…
