Hazelcast IMDG Integrated Clustering Integrated Clustering Version 4.0 4.2 4.1 4.0 3.12 3.11 3.10 3.9 3.8 3.7 3.6 3.5 In this chapter, we mention how Hazelcast is integrated with Hibernate 2nd level cache and Spring and how it helps with your Filter, Tomcat and Jetty based web session replications. Testing for JCache Specification Compliance Integration with Hibernate Second Level Cache