Hibernate 3 to Hibernate 5 migration

Hibernate 3 to Hibernate 5 migration  Tips and Steps

Package name changes

org.hibernate.internal.ThreadLocalSessionContext->org.hibernate.context.internal.ThreadLocalSessionContext

org.hibernate.connection.ConnectionProvider --> org.hibernate.engine.jdbc.connections.spi.ConnectionProvider

org.hibernate.cfg.AnnotationConfiguration -> org.hibernate.cfg.Configuration

org.hibernate.event.PostLoadEvent -> org.hibernate.event.spi.PostLoadEvent

org.hibernate.event.def.DefaultPostLoadEventListener -> org.hibernate.event.internal.DefaultPostLoadEventListener