First of all, let’s talk about process level cache (or 2nd level cache as they call it in Hibernate). To make it work, you should configure cache provider tell hibernate what entities to cache (right in hbm.xml file if you use this kind of mapping). You tell to the cache provider how many objects it … Read more
To sum everything (L2 cache and query cache) up: The first thing to do is to add cache provider (I recommend using EhCache) to your classpath. Hibernate < 5.3 Add the hibernate-ehcache dependency. This library contains EhCache 2 which is now discontinued. <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-ehcache</artifactId> <version>your_hibernate_version</version> </dependency> Hibernate >=5.3 In newer versions of Hibernate caches … Read more