Brett Meyer commented on an issue
Hibernate ORM / Bug HHH-8611
DelayedPostInsertIdentifier needs to implement Comparable
When upgrading Hibernate Search from 4.2.6 to 4.3.0.Beta5 I'm getting the following error from one of our tests:

{noformat}java.lang.ClassCastException: org.hibernate.action.internal.DelayedPostInsertIdentifier cannot be cast to java.lang.Comparable
at org.hibernate.internal.util.compare.ComparableComparator.compare(ComparableComparator.java:36)
at...